Passive to Active Voice — Full Conversion Rules, Tricks & Practice for Exams
Passive to Active Voice — Full Conversion Rules, Tricks & Practice for Exams
Core Conversion Rules
Tense Conversion Chart
Tense / Structure | Passive Form | Active Form |
Present Simple | am/is/are + V3 | V1 / V1s |
Past Simple | was/were + V3 | V2 |
Present Perfect | has/have been + V3 | has/have + V3 |
Past Perfect | had been + V3 | had + V3 |
Future Simple | will be + V3 | will + V1 |
Present Continuous | is/are being + V3 | is/are + V1-ing |
Past Continuous | was/were being + V3 | was/were + V1-ing |
Modal | modal + be + V3 | modal + V1 |
Imperative Passive | Let + object + be + V3 | V1 + object |
Pronoun Conversion
When the passive object becomes the active subject, pronouns must change form:
Passive (Object form) | Active (Subject form) |
me | I |
him | he |
her | she |
them | they |
us | we |
Key Rules to Remember
No agent given: Use "people / they / someone / one" as the unnamed subject in active voice.
Interrogative passive: Invert subject–auxiliary after converting. "Was the letter written by her?" → "Did she write the letter?"
Imperative passive: "Let + object + be + V3" → "V1 + object". e.g. "Let the door be shut" → "Shut the door"
Double object: When both IO and DO can be subjects, exams usually prefer IO as subject. "He was given a prize" → "They gave him a prize."
Modal need not: "need not be + V3" → "need not + V1". Do not add "to" after "need not".
Practice Questions
Each question includes 4 options (A–D) with the correct answer and a detailed explanation.
Q1. [Modal Passive] | |
Change to Active Voice: The work must be completed by tomorrow. | |
A) Someone must complete the work by tomorrow. | B) The work must have been completed. |
C) Tomorrow must complete the work. | D) Must complete the work by tomorrow. |
Answer: A | Modal passive: "must be + V3" → "must + V1". No agent → use "someone". Active: Someone must complete the work by tomorrow. | |
Q2. [Modal Passive] | |
Change to Active Voice: The decision could be taken by the committee. | |
A) The committee could take the decision. | B) The committee could have taken the decision. |
C) The decision could have been taken. | D) Could the committee take the decision? |
Answer: A | "could be taken" → "could take". Agent "the committee" becomes the active subject. Option B wrongly uses "could have taken" (perfect modal — different tense). | |
Q3. [Modal Passive — need/dare] | |
Change to Active Voice: This form need not be filled by you. | |
A) You need not fill this form. | B) You do not need to fill this form. |
C) You need not to fill this form. | D) You must not fill this form. |
Answer: A | "Need not" is a modal auxiliary. "Need not be + V3" → "need not + V1". Option C wrongly adds "to" after "need not". Option D changes the meaning completely. | |
Q4. [Interrogative Passive] | |
Change to Active Voice: Was the letter written by her? | |
A) Did she write the letter? | B) Has she written the letter? |
C) Did she wrote the letter? | D) She wrote the letter? |
Answer: A | Passive interrogative: "Was + S + V3" → "Did + subject + V1?" Option C is wrong (wrote ≠ V1 after did). Option B changes tense to present perfect. | |
Q5. [Interrogative Passive] | |
Change to Active Voice: By whom was the window broken? | |
A) Who broke the window? | B) Whom did the window break? |
C) Who has broken the window? | D) Who did break the window? |
Answer: A | "By whom" signals the agent question. Active: "Who broke the window?" — simple past. When "who" is subject, no auxiliary "did" needed. Option B wrongly makes "window" the subject. | |
Q6. [Interrogative Passive] | |
Change to Active Voice: Who was the painting made by? | |
A) Who made the painting? | B) By whom was the painting made? |
C) Who did make the painting? | D) Whom made the painting? |
Answer: A | The active form is "Who made the painting?" — simple past, subject-first. "Who" acts as subject so no auxiliary "did" is needed. Option C (did + make) is emphatic and not standard. | |
Q7. [Imperative Passive] | |
Change to Active Voice: Let the applications be submitted before Friday. | |
A) Submit the applications before Friday. | B) Let the applications submit before Friday. |
C) Applications should be submitted before Friday. | D) Submitted the applications before Friday. |
Answer: A | "Let + object + be + V3" → direct command. Active: "Submit the applications before Friday." Option C shifts to modal. Option D uses past tense wrongly. | |
Q8. [Imperative Passive] | |
Change to Active Voice: Let the matter be discussed. | |
A) Discuss the matter. | B) Let us discuss the matter. |
C) The matter should be discussed. | D) Discussed the matter. |
Answer: A | Classic trap — "Let the matter be discussed" ≠ "Let us discuss" (which means suggestion/request). "Let + object + be + V3" is passive imperative. Active = "Discuss the matter." | |
Q9. [No Agent] | |
Change to Active Voice: Spanish is spoken in many countries. | |
A) People speak Spanish in many countries. | B) Many countries are speaking Spanish. |
C) Spanish speaks in many countries. | D) One is speaking Spanish in many countries. |
Answer: A | No "by ___" agent given → use "people". Present simple passive → active. "Many countries" cannot be the subject because countries don't speak — people do. | |
Q10. [No Agent] | |
Change to Active Voice: A new hospital was being built in the city. | |
A) They were building a new hospital in the city. | B) They built a new hospital in the city. |
C) A new hospital has been built in the city. | D) People built a new hospital in the city. |
Answer: A | "was being built" = past continuous passive → "were building" (past continuous active). "They" for unnamed agent. Option B drops the continuous aspect wrongly. | |
Q11. [Tense — Present Perfect] | |
Change to Active Voice: The report has been submitted by the team. | |
A) The team has submitted the report. | B) The team submitted the report. |
C) The team had submitted the report. | D) The team has been submitting the report. |
Answer: A | "has been submitted" → "has submitted". Agent "by the team" becomes subject. Option B (simple past) and D (present perfect continuous) are wrong tense/aspect. | |
Q12. [Tense — Future Simple] | |
Change to Active Voice: The new rules will be announced next week. | |
A) Someone will announce the new rules next week. | B) Someone announces the new rules next week. |
C) Someone will be announcing the new rules next week. | D) The new rules will have been announced next week. |
Answer: A | "will be announced" → "will announce". No agent → use "someone". Option C changes to future continuous, Option D to future perfect — both wrong. | |
Q13. [Tense — Past Perfect] | |
Change to Active Voice: The cake had been eaten before she arrived. | |
A) Someone had eaten the cake before she arrived. | B) Someone ate the cake before she arrived. |
C) Someone has eaten the cake before she arrived. | D) Someone was eating the cake before she arrived. |
Answer: A | "had been eaten" → "had eaten" (past perfect active). The timeline (eaten → arrived) is preserved. Option B (simple past) loses the past perfect nuance — a favourite SSC trap. | |
Q14. [Double Object] | |
Change to Active Voice: He was given a prize by the principal. | |
A) The principal gave him a prize. | B) The principal gave a prize to him. |
C) The principal gave him a prize by him. | D) The principal is giving him a prize. |
Answer: A | When indirect object (him) is the passive subject, restore it to IO position. Both A and B are correct, but A ("gave him a prize") is the more direct/natural form. Option C is redundant. | |
Q15. [Double Object] | |
Change to Active Voice: A book was sent to her by the publisher. | |
A) The publisher sent her a book. | B) The publisher sent a book to her. |
C) The publisher sends her a book. | D) The publisher had sent her a book. |
Answer: A | Both A and B are technically correct active forms. A uses IO-DO order (more common); B retains the "to" phrase. Exams typically mark A as the preferred answer. Options C and D change tense. | |
SECTION 3: Exam Tips & Common Traps
Trap 1 — Past perfect vs. simple past: "The cake had been eaten before she arrived" → active MUST use "had eaten", not "ate". The timeline changes if you drop the past perfect.
Trap 2 — Let + object vs. Let us: "Let the matter be discussed" ≠ "Let us discuss the matter." The first is imperative passive; the second is a suggestion.
Trap 3 — Need not + to: "You need not fill this form" is correct. "You need not to fill" is wrong. Never add "to" after the modal "need not".
Trap 4 — Who vs. Whom in interrogatives: "Who broke the window?" is correct (who = subject). Using "whom" here is a mistake that appears in distractor options.
Trap 5 — Double object ambiguity: When both forms are correct ("gave him a prize" / "gave a prize to him"), pick the IO-DO order unless the question specifies otherwise.
Trap 6 — Continuous passive: "was being built" → "were building" (past continuous). Do not convert to simple past "built".
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