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Hundreds of study notes covering sentence structure, tenses, cohesion, vocabulary, and the errors examiners notice most — written in plain language and linked together so one lesson leads to the next.
Band 9 Vault
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Overview
Independent IELTS Academic practice
Stop studying at random.
Start scoring higher.
Band 9 Vault turns scattered IELTS preparation into one connected study space: structured grammar notes, full listening and reading mock tests with instant band scores, and short daily drills that keep your weak spots from becoming exam-day surprises.
Free to use · No card needed · Your scores follow you to every device
211
study notes
42
listening & reading mock tests
1148
practice drills
Band 8+
the target
What you get
Built by a learner, for learners
Everything one IELTS learner actually needs
Full listening and reading mock tests
Sit complete listening tests with real audio, or reading papers with the passage beside the questions as in the real exam. Both are timed and marked for you, with a band estimate the moment you finish and the exact questions you slipped on.
Drills that fit a busy day
Short, focused practice for spelling, True/False/Not Given reading, error correction, and vocabulary recall — small enough to finish in a break, frequent enough to actually stick.
Progress you can see
Every test and drill is recorded against your account, so you can watch your listening score climb instead of guessing whether the studying is working.
How it works
Three steps to exam-ready
01
Find the gap
Take a mock test or a quick drill. Your first score tells you where the real weakness sits.
02
Study the fix
Follow the connected notes for that skill instead of reading everything in a random order.
03
Prove it stuck
Return to practice, watch the score move, and repeat until the skill feels automatic.
What's inside
All of it free with an account
Four places to study, one account
Note library
Grammar and vocabulary notes
Sentence structure, tenses, articles, prepositions, linking words, collocations, and the error patterns that quietly cap your writing band. Every note is a page you can read, save, and return to.
Open the library → How it worksA plan, not a pile of material
Test first, read the result, fix the grammar behind the mistakes, then test again. Five steps that tell you what to study now and what can safely wait.
See the five steps →
Know your target
Out of 40 questions
IELTS listening score to band conversion
IELTS listening is marked out of 40, and the raw score converts to a band from 0 to 9. Every mock test in Band 9 Vault scores you on this scale, so you always know how far the next half-band actually is.
| Correct answers | Band score | What it means |
|---|---|---|
| 39–40 | 9.0 | Expert listener — almost nothing slips past you. |
| 37–38 | 8.5 | Very high accuracy, occasional spelling loss. |
| 35–36 | 8.0 | Strong enough for competitive university entry. |
| 32–34 | 7.5 | Above the bar for most postgraduate courses. |
| 30–31 | 7.0 | The common requirement for study and migration. |
| 26–29 | 6.5 | Solid, but distraction and paraphrase still cost you. |
| 23–25 | 6.0 | Meets many undergraduate requirements. |
| 18–22 | 5.5 | Detail and spelling are the usual leaks here. |
| 16–17 | 5.0 | Foundation work will move this fastest. |
| 13–15 | 4.5 | Focus on vocabulary and number/date recognition. |
These bands are the widely published conversion for IELTS Academic listening and are used here as an estimate. Your official band comes only from a real test sitting.
Who it helps
Built for people preparing alone
Self-study candidates
No coaching centre, no fixed schedule. You need material that is ordered for you and practice that marks itself, because nobody else is going to check your answers.
Retakers stuck on one band
You already know the test format. What you need is to find the specific skill holding the score at 6.5, and drill it until it stops leaking marks.
Working and studying learners
Preparation has to fit around a job or a degree. Short drills and saved progress mean a ten-minute session still counts toward the target.
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Pricing
No card, no trial period
One plan. It costs nothing.
Free forever
Every learner gets the whole site. There is no locked section, no upgrade prompt, and nothing held back for a paid tier.
- Every listening and reading mock test, timed like the real exam
- Instant band scores and a full answer review
- All study notes and daily practice drills
- Your results and saved notes kept on every device
Questions
Before you start
Does it cost anything?
No. Band 9 Vault is free to use. An account exists so your scores and saved notes stay with you.
Do I need an account to study?
You can practise as a guest, but results stay in that one browser. Signing in keeps your progress on every device you study from.
Is this the official IELTS test?
No. This is an independent study site with practice material only. It is not affiliated with or endorsed by the British Council, IDP Education, or Cambridge University Press & Assessment.
Which IELTS module is it for?
IELTS Academic. The grammar, vocabulary, and listening material also helps General Training learners, but the writing and strategy notes target the Academic paper.
Your Band 8 starts with one honest score.
Create a free account and take your first mock test today.
Independent IELTS Academic practice
Build the English
that scores.
Band 9 Vault brings grammar, vocabulary, listening mock tests, and daily drills into one connected study space, so preparation turns into exam-day confidence.
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A focused route from where you are now to confident, exam-ready English.
23 → 40listening target
About Band 9 Vault
Band 9 Vault is a free, independent study site for IELTS Academic. It exists because IELTS preparation is usually scattered across a dozen places: grammar in one book, listening audio on a video site, vocabulary in a notebook, and no record of what is actually improving.
What it is
Everything sits in one place and is connected. Study notes cover sentence structure, tenses, cohesion, vocabulary, punctuation, and the errors examiners notice most. Full listening and reading mock tests run on the real clock and mark themselves the moment you submit. Short drills cover spelling, True/False/Not Given reading, error correction, and vocabulary review. Every result is recorded, so the site can tell you where you actually stand rather than where you feel you stand.
Who it is for
Learners who are somewhere around Band 6 or 6.5 and need to reach 7 or higher, especially those studying alone without a teacher to mark their work. The material assumes you already speak some English and want the specific gaps closed, not a beginners' course.
Where the material comes from
The study notes are written for this site. The practice papers are collected from publicly available IELTS practice material so that learners have enough papers to work through; they are for private study only. If you own material used here and would rather it were removed, write to us and it will be taken down.
What it is not
This is not the official IELTS test and not an official practice product. It is not affiliated with, endorsed by, or connected to the British Council, IDP Education, or Cambridge University Press & Assessment, who jointly own the IELTS trade mark. Band scores shown here are estimates for practice, not official results.
What it costs
Nothing. There is one plan, it is free, and no part of the site is held back for a paid tier. An account exists only so your results and saved notes follow you between devices.
Common questions
Everything learners ask most often, answered plainly. If yours is not here, write to us.
Does it cost anything?
No. Band 9 Vault is free to use, and no part of it is held back for a paid tier. An account exists so your scores and saved notes stay with you rather than in one browser.
Do I need an account to study?
You can practise as a guest, but results stay in that one browser and are lost if you clear it. Signing in keeps your progress on every device you study from.
Is this the official IELTS test?
No. This is an independent study site with practice material only. It is not affiliated with, endorsed by, or connected to the British Council, IDP Education, or Cambridge University Press & Assessment, who jointly own the IELTS trade mark.
Which IELTS module is it for?
IELTS Academic. The grammar, vocabulary, and listening material also helps General Training learners, but the writing and strategy notes target the Academic paper.
Are the mock tests timed like the real exam?
Yes. A listening test runs 40 questions with real audio on a 32-minute countdown, and a reading paper gives you three passages and 40 questions in 60 minutes. Both match the computer-delivered format and mark your answers the moment you submit.
How is my band score calculated?
Your correct answers out of 40 are converted using the standard IELTS band table for that paper — the listening table, or the Academic reading table, which is marked slightly harder. A paper with fewer than 40 questions is put on the 40-question scale first, so every band means the same thing. It is an estimate for practice, not an official result.
How long does it take to raise my band score?
Most learners moving half a band need four to eight weeks of consistent practice, and a full band usually takes longer. Steady daily drills move the score faster than occasional long sessions.
Where should I start?
Take one mock test before studying anything, so you have a real number to work from. The How it works page sets out the whole order, and why testing first beats reading first.
Can I use it on my phone?
Yes. The site works in any modern mobile browser with no app to install, and because your progress is tied to your account you can start a drill on a phone and finish on a laptop.
What happens if I close a test halfway through?
The clock keeps running against the original finishing time, and your answers are still there when you come back, exactly as the real computer-delivered test behaves. Only a submitted paper is recorded as a result.
An answer key looks wrong. What should I do?
Tell us. Send the test number and the question number to our contact address and it will be checked and corrected. Practice material collected from elsewhere sometimes carries mistakes, and we would rather fix them than leave learners doubting themselves.
Can I delete my account and my results?
Yes. "Reset my data" on your profile clears your whole study record straight away, and emailing us removes the account itself along with everything attached to it. The privacy policy sets out exactly what is stored.
How it works
Most people open a study site, read three pages, and never come back, because nothing tells them what to do first. Here is the order that works, and why.
Step 1 — Take one mock test before you study anything
This feels backwards, and it is the most useful thing you can do. A listening or reading paper takes under an hour and gives you a number. Without that number you are guessing at your own level, and learners almost always guess wrong in one direction or the other. Do not revise for it. A score that flatters you is worth nothing.
Step 2 — Read what the result actually says
After you submit, every question is listed with your answer beside the right one. Do not skim it. Go through the ones you got wrong and put each into a group: did you mishear the word, not know the word, misread the question, or run out of time? Four different problems, four different cures. Most learners discover that one group is far larger than the rest, and that group is your real work.
Step 3 — Fix the grammar behind the mistakes
The note library is arranged by what actually goes wrong, not by chapter order. If your errors are tenses, start with the tense notes; if sentences fall apart in writing, start with clauses. Save a note with the star and it waits for you on your profile. Reading a note you do not need is time you did not spend on the one you do.
Step 4 — Drill in short sessions, most days
Ten minutes of spelling, True/False/Not Given, error correction, or vocabulary review beats a three-hour session at the weekend. The vocabulary drill schedules each word to come back just before you would have forgotten it, so the words you find hard return more often than the ones you know.
Step 5 — Test again, and compare
After a week or two of drills, sit another paper. Your profile keeps every result with its band, so you can see whether the line is moving. If two papers in a row show no change, the problem is not effort — it is that you are practising the wrong thing, and step 2 needs doing again.
How long this takes
Half a band usually takes four to eight weeks of steady practice. A full band takes longer. Anyone promising faster than that is selling something. What moves the number is consistency: a short session most days beats a long one now and then, every time.
A note on the band scores here
The band you see is your correct answers converted with the standard IELTS band table for that paper. It is an honest estimate for practice, not an official result, and the real exam has pressures a practice paper cannot copy. Treat it as a direction, not a promise.
Contact us
Questions, mistakes you have spotted, a broken audio file, or a copyright concern — all of it is welcome. One person reads these, so please allow a few days for a reply.
What to include
- For a mistake in a note or an answer key: the page name and the question number.
- For a broken test or audio: the test number and what you saw on screen.
- For an account problem: the email address you registered with, never your password.
- For a copyright request: the material in question and proof you own it, and it will be removed.
What we will never do
We will never email you asking for your password, and we will never ask you to send it in a reply. A genuine password reset always comes as a link you request yourself from the sign-in box.
Privacy policy
Short version: we store what is needed to run your account and your study record, nothing else. We do not sell your data, we do not show adverts, and we use Google Analytics only to understand how the site is used.
What we store
- Your account: email address, the display name you choose, the date you joined, and your plan.
- Your password: never in readable form. Only a bcrypt hash is kept, which cannot be turned back into your password.
- Your study record: test and drill results (score, total, date), saved notes, notes marked as read, vocabulary review dates, and your writing draft.
- Password reset links: only a hash of the link is stored, and it expires after one hour or once used.
Cookies
One cookie, named ielts.sid. It holds a session identifier so the site knows you are signed
in. It carries no personal information and is removed when you sign out. Google Analytics may set its own
cookies to measure site usage. If you study without an account, your progress stays in your own browser's storage and
never reaches our server.
Other services
A few things on the page come from elsewhere. Typefaces are loaded from Google Fonts, Google Analytics helps us understand how visitors use the site, and some listening audio is played from the site that hosts it. Those services receive your IP address as part of any ordinary web request, and their own privacy terms apply. Nothing about your account or your results is sent to them.
Who can see your data
Only you. Every study record is tied to your account and returned only to your own signed-in session. We do not share, sell, or hand your data to advertisers or data brokers.
Deleting your data
"Reset my data" on your profile clears your whole study record immediately. To delete the account itself, email us and it will be removed along with everything attached to it.
Changes
If this policy changes in a way that affects you, the change will be described on this page rather than made quietly.
Terms and conditions
By using Band 9 Vault you agree to what is written below. It is written plainly on purpose.
The service
Band 9 Vault is a free study site offered as it is. We try to keep it accurate and available, but we do not promise that it will be free of mistakes or always reachable, and it may change or close at any time.
Not the official IELTS test
This is an independent study site with practice material only. It is not affiliated with, endorsed by, or connected to the British Council, IDP Education, or Cambridge University Press & Assessment, who jointly own the IELTS trade mark. The trade mark is used only to describe what the material prepares you for.
Band scores
A band shown after a test is an estimate produced by applying the standard band tables to your correct answers. It is not an official result, it does not predict your exam result, and it cannot be used as proof of your English level for any institution.
Your account
You are responsible for keeping your password to yourself and for what happens under your account. Use a real email address you can reach, because a forgotten password can only be reset through it. We may close an account that is used to attack, scrape, or disrupt the site.
Using the material
The notes and drills are here for your own study. You may read them, print them, and practise with them. You may not republish them, sell them, or present them as your own work. Practice papers collected from elsewhere remain the property of whoever owns them.
Liability
The site is free, and we accept no liability for any loss arising from using it, including any exam outcome. Your preparation and your results remain your own responsibility.
Contact
Questions about these terms go to [email protected].
Disclaimer
This page states plainly what Band 9 Vault is and is not, so nobody relies on it for something it cannot do.
No affiliation with the IELTS owners
Band 9 Vault is an independent study site. It is not affiliated with, endorsed by, sponsored by, or connected in any way to the British Council, IDP Education, or Cambridge University Press & Assessment, who jointly own and administer IELTS. The name IELTS is used here only to describe the exam this material prepares you for.
Band scores are estimates
A band shown after a test is produced by applying the published band tables to your correct answers. It is a study aid, nothing more. It is not an official IELTS result, it does not predict what you will score on exam day, and no university, employer, or immigration authority will accept it as evidence of your English. Only a genuine test sitting produces an official band.
Accuracy of the material
The notes and answer keys are prepared carefully but are not guaranteed to be free of errors, and practice papers gathered from elsewhere sometimes carry mistakes of their own. Where an official source disagrees with something written here, the official source is right. Report anything that looks wrong and it will be corrected.
No professional advice
Nothing here is teaching, immigration, or admissions advice. Decisions about which exam to take, when to sit it, or what score you need should be made against official guidance and, where it matters, with a qualified adviser.
External material
Some listening audio is played from the site that hosts it, and typefaces load from Google Fonts. We do not control those services and are not responsible for their content or availability. Copyright in practice material collected from elsewhere stays with its owner; if you own such material and want it removed, tell us and it will be taken down.
Availability and liability
The site is offered free and as it is. We do not promise it will always be reachable or error-free, and we accept no liability for any loss arising from its use, including any exam outcome. The full terms are on the terms and conditions page.
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The address may have been mistyped, or the page may have been moved since the link was made. Nothing is lost — every note, paper, and drill is still where it was.
Or start from one of these
- How the site worksThe five steps from first note to mock test.
- Common questionsWhat is covered, what it costs, how bands are worked out.
- About Band 9 VaultWho made this and why it is free.
- ContactTell us about the broken link and it will be fixed.
Active and Passive Voice
Active voice focuses on the doer. Passive voice focuses on the action or result.
Active and Passive Voice
Active voice focuses on the doer. Passive voice focuses on the action or result.
Most English sentences are active: "The government implemented the policy." But passive voice serves specific purposes: "The policy was implemented by the government" or more commonly in formal writing, "The policy was implemented" (leaving out the doer).
IELTS doesn't demand passive voice, but it appears naturally in academic writing, especially in Task 1. Understanding when to use each and why separates Band 6 from Band 8.
Structure: Active vs. Passive
Active voice: Subject performs the action. Formula: Subject + Verb + Object "The committee approved the plan."
Passive voice: Subject receives the action. Formula: Object + be + past participle (+ by + agent) "The plan was approved by the committee." Or without stating who did it: "The plan was approved."
When to Use Each
Use active voice when the doer is important or when you want directness and clarity: "The manager revised the policy because the previous system had failed." "Governments must invest in public transport." (The doer—governments—is what matters.)
Use passive voice when the action is more important than the doer, when the doer is unknown, or when you want formal tone: "The new policy was implemented company-wide." (We don't need to say who did it.)
Structure: Active vs Passive
What Is Active Voice?
In active voice, the subject performs the action.
- Active structure: Subject + Verb + Object
- Example: The cat chased the mouse.
What Is Passive Voice?
In passive voice, the subject receives the action.
- Passive structure: Object + form of be + V3 (+ by + agent)
- Example: The mouse was chased by the cat.
Sentence Variety Examples
Active Voice Variety
- Simple: The committee approved the plan.
- Compound: The committee approved the plan, and the finance team released the budget.
- Complex: Because the committee approved the plan, the finance team released the budget.
- Compound-Complex: Although the committee requested revisions, it approved the plan, and the finance team released the budget the same day.
Passive Voice Variety
- Simple: The plan was approved by the committee.
- Compound: The plan was approved by the committee, and the budget was released by the finance team.
- Complex: Because the plan was approved by the committee, the budget was released by the finance team.
- Compound-Complex: Although revisions were requested by the committee, the plan was approved, and the budget was released the same day.
When to Use Each
Use Active Voice
- when you want direct, clear, concise sentences
- when the doer is important
- for engaging storytelling, persuasion, and instructions
Examples:
- The teacher explained the lesson clearly, and the students applied the method in class.
- Although the streets were crowded, the hero saved the town before sunrise.
- The manager revised the policy because the previous system had failed.
Use Passive Voice
- when the action/result is more important than the doer
- when the doer is unknown, obvious, or irrelevant
- for formal and academic tone
Examples:
- The new policy was implemented by the company, and employee training was completed within two weeks.
- The cookies were eaten before the guests arrived, so a second batch was baked.
- The experiment was conducted by the researchers after the equipment had been calibrated.
- When the final report was released, several errors were identified and corrected.
IELTS Example
Task 1 process language: Plastic bottles are collected, cleaned, and recycled.
How to Form Active and Passive Sentences
Active Voice Structure
- Subject + Verb + Object
- Example: The chef cooked the meal.
Passive Voice Structure
- Object + form of be + V3 (+ by + Subject)
- Example: The meal was cooked by the chef.
Active Voice: Tense, Structure, and Example
| Tense | Active Structure | Active Example |
|---|---|---|
| Simple Present | Subject + V1/V1+s + Object | I make a cake. |
| Present Continuous | Subject + am/is/are + V-ing + Object | I am making a cake. |
| Present Perfect | Subject + has/have + V3 + Object | I have made a cake. |
| Present Perfect Continuous | Subject + has/have + been + V-ing + Object | I have been making a cake. |
| Simple Past | Subject + V2 + Object | I made a cake yesterday. |
| Past Continuous | Subject + was/were + V-ing + Object | I was making a cake. |
| Past Perfect | Subject + had + V3 + Object | I had made a cake. |
| Past Perfect Continuous | Subject + had + been + V-ing + Object | I had been making a cake. |
| Future Simple | Subject + will/shall + V1 + Object | I will make a cake. |
| Future Continuous | Subject + will/shall + be + V-ing + Object | I will be making a cake. |
| Future Perfect | Subject + will/shall + have + V3 + Object | I will have made a cake. |
| Modal | Subject + modal + V1 + Object | I can make a cake. |
Passive Voice: Tense, Structure, and Example
| Tense | Passive Structure | Passive Example |
|---|---|---|
| Simple Present | Subject + am/is/are + V3 (+ by) | A cake is made by me. |
| Present Continuous | Subject + am/is/are + being + V3 (+ by) | A cake is being made by me. |
| Present Perfect | Subject + has/have + been + V3 (+ by) | A cake has been made by me. |
| Present Perfect Continuous | Subject + has/have + been + being + V3 (+ by) | A cake has been being made by me. (rare) |
| Simple Past | Subject + was/were + V3 (+ by) | A cake was made by me yesterday. |
| Past Continuous | Subject + was/were + being + V3 (+ by) | A cake was being made by me. |
| Past Perfect | Subject + had + been + V3 (+ by) | A cake had been made by me. |
| Past Perfect Continuous | Subject + had + been + being + V3 (+ by) | A cake had been being made by me. (rare) |
| Future Simple | Subject + will/shall + be + V3 (+ by) | A cake will be made by me. |
| Future Continuous | No standard passive form in natural usage | - |
| Future Perfect | Subject + will/shall + have + been + V3 (+ by) | A cake will have been made by me. |
| Modal | Subject + modal + be + V3 (+ by) | A cake can be made by me. |
Note
Present Perfect Continuous and Past Perfect Continuous have passive forms in theory (has/have/had been being + V3), but they are uncommon and usually avoided in natural IELTS writing and speaking.
Note
Future Continuous generally has no natural passive form in standard usage.
Tense Conversion Formulas
- Simple Present: V1/V1+s -> am/is/are + V3
- Active: The mason builds the wall.
- Passive: The wall is built by the mason.
- Present Continuous: am/is/are + V-ing -> am/is/are + being + V3
- Active: Some boys are helping the wounded man.
- Passive: The wounded man is being helped by some boys.
- Present Perfect: has/have + V3 -> has/have + been + V3
- Present Perfect Continuous: has/have + been + V-ing -> has/have + been + being + V3 (rare)
- Simple Past: V2 -> was/were + V3
- Active: Brutus stabbed Caesar.
- Passive: Caesar was stabbed by Brutus.
- Past Continuous: was/were + V-ing -> was/were + being + V3
- Past Perfect: had + V3 -> had + been + V3
- Past Perfect Continuous: had + been + V-ing -> had + been + being + V3 (rare)
- Simple Future: will/shall + V1 -> will/shall + be + V3
- Active: He will finish the work in a fortnight.
- Passive: The work will be finished by him in a fortnight.
- Future Continuous: will/shall + be + V-ing -> no standard passive form in natural usage
- Future Perfect: will/shall + have + V3 -> will/shall + have been + V3
- Modals: can/may/must + V1 -> can/may/must + be + V3
- Modal Perfect: modal + have + V3 -> modal + have been + V3
Advanced Passive Structures
Verbs with Two Objects
Both passive forms are possible.
- Active: Mr. Krishnaji teaches us grammar.
- Passive 1 (person focus): We are taught grammar by Mr. Krishnaji.
- Passive 2 (thing focus): Grammar is taught to us by Mr. Krishnaji.
Interrogative Sentences
The sentence must remain a question after transformation.
- Active: Who taught you French?
- Passive: By whom was French taught to you? / Who were you taught French by?
- Active: Why did your brother write such a letter?
- Passive: Why was such a letter written by your brother?
Infinitive Constructions
- Active: It is time to shut up the shop.
- Passive: It is time for the shop to be shut up.
Imperative Sentences
- Active: Close the door.
- Passive: Let the door be closed.
- Active: Finish the report by noon.
- Passive: Let the report be finished by noon.
E) Reporting Verb Passives
- Active: People say that the company is expanding rapidly.
- Passive 1: It is said that the company is expanding rapidly.
- Passive 2: The company is said to be expanding rapidly.
F) Causative Passive (Have/Get + Object + V3)
- I had my laptop repaired because the screen was flickering.
- She got her passport renewed before she applied for the visa.
G) Gerund and Infinitive Passives
- Passive infinitive: The files need to be reviewed before the meeting starts.
- Passive gerund: He dislikes being interrupted while he is presenting.
H) Prepositional Verb Passives
- Active: They laughed at the idea, but they later adopted it.
- Passive: The idea was laughed at at first, but it was later adopted.
Usage Rules: When to Use Passive
Omit the Agent (by-phrase) when:
- the agent is unknown, vague, or indefinite
- Active: Somebody has stolen my pen.
- Passive: My pen has been stolen.
- the agent is obvious from context
- Active: The audience loudly cheered the mayor's speech.
- Passive: The mayor's speech was loudly cheered.
Instruments vs Agents
- Use by for the living doer (agent).
- The dog was hit by a boy.
- Use with for the instrument.
- The dog was hit with a stick.
Comprehensive Grammar Rules Checklist
Core Formation Rules
- Only transitive verbs (verbs that take objects) can normally be passivized.
- In passive transformation, the object of the active sentence becomes the subject of the passive sentence.
- Keep the same tense and aspect when converting active to passive.
- Use the correct form of be according to tense, subject number, and person.
- Always use V3 (past participle) in passive constructions.
Agreement and Word Order Rules
- Make the auxiliary agree with the new subject in the passive sentence.
- In questions, invert the first auxiliary and the subject.
- In negatives, place not after the first auxiliary.
- Place adverbs naturally: The proposal was quickly approved by the board.
- Avoid awkward word order with repeated by-phrases.
Agent Rules
- Add by + agent only when the doer is important or unclear without it.
- Omit the agent when it is unknown, obvious, or unimportant.
- Use with (not by) for instruments and tools.
Tense and Aspect Rules
- Avoid overusing rare passive continuous-perfect forms in natural speaking/writing.
- Prefer clear alternatives when a formal passive sounds unnatural.
- Future continuous usually has no natural passive equivalent.
- Modal passive: modal + be + V3.
- Modal perfect passive: modal + have been + V3.
Special Structure Rules
- Two-object verbs can form two valid passive versions.
- Wh-questions keep the Wh-word and change only the auxiliary-verb structure.
- Imperatives in passive commonly use let + object + be + V3.
- Reporting verb passives are common in formal writing: It is believed that..., X is believed to...
- Gerund and infinitive passives are common after certain verbs and adjectives.
Style Rules (IELTS Focus)
- Use active voice for clarity and energy in Speaking and argument sentences.
- Use passive voice for process descriptions and objective tone in Task 1 and Task 2.
- Mix both voices strategically to improve grammatical range and coherence.
- Do not force passive voice into every sentence; choose based on focus.
- Keep sentence control first, then add complexity with subordinate clauses.
Exceptions: Active Form, Passive Sense
Some verbs can appear in active form but carry passive meaning.
- These mangoes taste sour.
- The rose smells sweet.
- The play reads well.
- This fabric washes easily.
- The book sells quickly when the review is positive.
Interrogative Conversion Formulas
Yes/No Questions
- Active (Do/Does): Do/Does + Subject + V1 + Object?
- Passive: Is/Am/Are + Object + V3 + by + Subject?
- Active (Did): Did + Subject + V1 + Object?
- Passive: Was/Were + Object + V3 + by + Subject?
- Active (continuous): Is/Am/Are/Was/Were + Subject + V-ing + Object?
- Passive: Is/Am/Are/Was/Were + Object + being + V3 + by + Subject?
Wh- Questions
- Keep the Wh-word unchanged.
- Then convert the remaining structure using passive question order.
Examples:
- Active: Why did they delay the meeting?
- Passive: Why was the meeting delayed?
- Active: When did the committee announce the result?
- Passive: When was the result announced by the committee?
- Active: Who approved the final budget?
- Passive: By whom was the final budget approved? / Who was the final budget approved by?
High-Value IELTS Uses
- Task 1 process/map: use passive heavily for steps, stages, and systems.
- Task 2: use passive for objective tone (It is widely believed that...).
- Speaking: use active for natural fluency; add passive selectively for formal ideas.
Common Errors
Band Penalty
Incorrect: The accident was happened at night. Correct: The accident happened at night.
Band Penalty
Incorrect: The government made a law and it was implemented by they. Correct: The government made a law, and it was implemented by them.
Band Penalty
Incorrect: He was died in 2010. Correct: He died in 2010.
Band Penalty
Incorrect: The report was completed by yesterday by the team. Better: The report was completed by the team yesterday.
Band Penalty
Incorrect: Why the decision was taken? Correct: Why was the decision taken?
Band Penalty
Incorrect: The room cleaned yesterday. Correct: The room was cleaned yesterday.
Band Penalty
Incorrect: The issue was discussed about by the team. Better: The issue was discussed by the team.
Band Penalty
Incorrect: English is speaking in many countries. Correct: English is spoken in many countries.
Band Penalty
Incorrect: The project was completed with the manager. Correct: The project was completed by the manager.
Cross-Links
- Transitive vs Intransitive Verbs
- Modal Auxiliary Verbs
- Direct and Indirect Speech
- Writing Task 1 Grammar Strategies
- Tense Functional Use and Advanced Flow