Active & Passive Voice Exercises with Answers

The action is a routine, repeated in simple present tense ('waters'). Passive of simple present = is/are + p.p. So: 'are watered'. Option B wrongly shifts to past tense. Option C (continuous) implies the action is happening right now, not habitually. Option D (perfect) implies a completed result, changing the meaning.

'Delivered' is simple past. Passive of simple past = was/were + p.p. So: 'was delivered'. 'Yesterday' confirms a definite past point, ruling out the present tense of option A and the perfect forms of options C and D, which describe actions completed relative to another point, not a single definite past moment.

'Will announce' is simple future. Passive = will be + p.p. So: 'will be announced'. Option A drops the future marker entirely. Option C ('would') is used for reported or hypothetical future, not a direct future statement. Option D ('will be announcing') keeps a continuous form, which is not what passive voice uses.

'Are repairing' is present continuous — the action is in progress right now. Passive of present continuous = is/are being + p.p. So: 'is being repaired'. Option A loses the sense of an ongoing action. Option B wrongly shifts to past. Option D (perfect) implies the repair is already finished.

'Had approved' is past perfect — an action completed before another past action (the meeting ending). Passive of past perfect = had been + p.p. So: 'had already been approved'. Option A drops 'been'. Option B wrongly uses present perfect. Option D omits 'been' entirely, which is ungrammatical.

Passive with a modal verb = modal + be + p.p. So: 'must be submitted'. Option A drops 'be' entirely. Option C wrongly uses a continuous form after the modal. Option D inserts 'is' before the modal, which is never correct — modals never take an auxiliary before them.

'Should have informed' is a modal perfect construction, expressing a missed obligation in the past. Passive = modal + have been + p.p. So: 'should have been informed'. Option A drops the perfect aspect. Option B keeps an active-sounding form without 'been'. Option D wrongly uses 'had' instead of 'have' after 'should'.

Imperative sentences (commands/requests) are made passive using 'Let + object + be + p.p.'. So: 'Let the door be closed'. Option A turns the command into a plain statement, losing the imperative force. Option C is missing 'be'. Option D turns it into a fragment with no verb.

Passive questions require auxiliary-subject inversion: auxiliary + subject + p.p. 'Who' (asking about the doer/agent) becomes 'by whom' in the passive. So: 'By whom was the telephone invented?' Option A drops 'by' and the auxiliary is misplaced. Option B keeps the normal word order without inversion — wrong for a question. Option D reads as a statement, not a question.

For a yes/no question in simple past, the passive auxiliary 'did' is replaced by 'was/were', and the main verb takes its past participle form. So: 'Was the patient examined carefully by the doctor?' Option B keeps the base form 'examine' instead of the participle. Option C keeps 'did' incorrectly alongside a participle. Option D drops the question inversion.

'Will be taken' is future passive. Converting to active, the agent ('by the board of directors') becomes the subject, and the verb returns to its plain active form in the same tense: 'will take'. Options A and D wrongly shift the tense. Option C changes 'will' to 'would', altering the certainty of the statement.

'Was rescued' is simple past passive. In active voice, the agent becomes the subject and the verb reverts to simple past: 'rescued'. Option A shifts to present. Option B shifts to continuous. Option D shifts to present perfect — none preserve the original past-tense meaning.

This festival is watched online by millions of people every year.

'Watch' (simple present, habitual action) becomes 'is watched' in passive. The object 'this festival' moves to the subject position, and 'by millions of people' names the agent. Time expression 'every year' stays at the end.

Several ancient coins were discovered at the site by the archaeologists last month.

'Discovered' (simple past) becomes 'were discovered' (plural subject 'several ancient coins'). The agent 'by the archaeologists' can be placed after the place phrase ('at the site') or before it — both are acceptable, but keeping the time expression 'last month' at the end is standard.

A new vaccine has been developed for this disease by scientists.

'Have developed' (present perfect) becomes 'has been developed' — the subject of the passive sentence ('a new vaccine') is singular, so the auxiliary is 'has', not 'have'. Students often forget to check subject-verb agreement after switching the subject.

A special dish was being prepared by the chef when the guests arrived.

'Was preparing' (past continuous) becomes 'was being prepared' in passive — the auxiliary chain is was/were + being + p.p. The subordinate clause 'when the guests arrived' stays unchanged since it is already in simple past.

This problem can be solved easily with the right formula.

'Can solve' becomes 'can be solved' — modal + be + p.p. Since the original 'you' is a generic/impersonal subject (meaning 'anyone'), the agent is dropped entirely in the passive rather than written as 'by you', which would sound unnatural here.

It is said that regular exercise improves mental health.

When the subject of a reporting verb is a vague, general agent ('people', 'they', 'everyone say/believe/think'), the passive uses the impersonal construction: 'It is said that...'. The content of the that-clause itself stays in its own original tense — it is not passivised.

Not possible — 'occur' is intransitive and has no object, so it cannot be converted to the passive voice.

Passive voice requires an object in the active sentence to become the new subject. Intransitive verbs like occur, happen, arrive, die, rise, and sleep take no object at all — there is nothing to promote to subject position. 'Was occurred' is a common but always-wrong form CBSE editing sections deliberately test.

The museum curator showed the visitors the ancient manuscripts.

Verbs like 'show', 'give', 'offer', and 'tell' take two objects (an indirect object and a direct object). When converting this kind of passive back to active, the agent becomes the subject, and both objects are restored after the verb in their natural order: indirect object first, then direct object — 'showed the visitors the ancient manuscripts'.