Passive Present Past

Respuesta correcta: A) are checked

• A) are checkedCorrect! The subject is the thing that receives the action, so the present simple passive is are plus participle.
• B) checkA bare base form would leave the verb without an auxiliary, and the sentence needs a passive structure.
• C) is checkedIs builds the singular, and the plural subject documents requires are.
• D) were checkedA past passive would place the checking in the past, and every morning describes a routine.

Respuesta correcta: B) was repaired

• A) has repairedA present perfect would link the repair to now, but two years ago closes the action in the past.
• B) was repairedCorrect! A past passive uses was or were plus the past participle.
• C) is repairingA present continuous would place the repair under way now, which the past time denies.
• D) repairedA bare participle would be the past simple only in the active, and the subject is not the one repairing.

Respuesta correcta: C) was being repaired

• A) was repairedThat would present the repair as a single completed event with no sense of it being under way.
• B) has been repairedA present perfect would place the repair inside the present period, which the past scene denies.
• C) was being repairedCorrect! The past continuous passive is was or were plus being plus participle.
• D) is being repairedA present continuous would place the repair now, and the whole scene is in the past.

Respuesta correcta: D) is being cleaned

• A) has cleanedA present perfect would suggest the cleaning is already finished, but at the moment shows it is under way.
• B) was cleanedA past passive would place the cleaning in a completed past, and the sentence is about now.
• C) is cleanedA present simple passive would describe a routine, and at the moment asks about a specific action in progress.
• D) is being cleanedCorrect! The present continuous passive is is or are plus being plus participle.

Respuesta correcta: A) will be published

• A) will be publishedCorrect! The future passive uses will plus be plus past participle.
• B) will publishThat is the active form, which would make the results the ones doing the publishing.
• C) are publishedA present passive would need a routine or a timetable in the present.
• D) have been publishedA present perfect passive would suggest they are already out, and tomorrow is still ahead.

Respuesta correcta: B) cannot be identified

• A) is not identifyThe main verb must be a past participle, and identify in the base form is wrong.
• B) cannot be identifiedCorrect! A modal plus be plus participle builds the passive in the negative.
• C) does not identifiedA passive cannot be built with the auxiliary do, which carries active tenses.
• D) was not identifiedA past passive would place the identification in the past, and the sentence is about the future.

Respuesta correcta: C) were printed

• A) was printedWas builds the singular, and the subject tickets is plural.
• B) are printingA present continuous would place the printing now, and the tickets are printed before departure.
• C) were printedCorrect! A past passive with a plural subject takes were plus participle.
• D) printedA bare participle would be the active past simple, with the tickets doing the printing.

Respuesta correcta: D) Has ... been received

• A) Has ... receivedThat is the active form, and in the active the receiver cannot be the subject of the sentence.
• B) Have ... been receivingThe present perfect continuous passive would be have plus been being plus participle, which is not used here.
• C) Did ... receiveDid cannot build a perfect structure, and the question is about the present state.
• D) Has ... been receivedCorrect! The present perfect passive is have or has plus been plus participle, and yet is a present perfect marker.

Respuesta correcta: A) was painted

• A) was paintedCorrect! A past passive with an agent introduced by by is the standard structure.
• B) paintedA bare participle would put the artists in the subject position, and they are not painting.
• C) has paintedA present perfect would place the painting inside the present period, and last year closes it.
• D) is paintingA present continuous would mean the mural is painting itself, which is not a possible reading.

Respuesta correcta: B) Is ... paid

• A) Do ... payDo builds active questions, and a passive question needs the be auxiliary.
• B) Is ... paidCorrect! A polar question in the present passive takes the auxiliary is before the subject and the participle after.
• C) Are ... payingA continuous passive would need being, and the fee is a payment made in one action.
• D) Was ... paidA past passive would refer to a completed payment, and the question is about the general arrangement.

Respuesta correcta: C) had written

• A) would be written by herA would would build a conditional, and the praise is a statement about what really happened.
• B) has writtenA present perfect would place the writing inside the present period, and the praise is in the past.
• C) had writtenCorrect! The active is natural here, and the past perfect shows the report was finished before the praise.
• D) is writingA present continuous would mean the report is still being written, which the praise denies.

Respuesta correcta: D) had been

• A) wereA past simple passive would leave the two past events without a clear order.
• B) have beenA present perfect would measure up to now, and the police arriving is the past reference point.
• C) hadHad alone would need the participle after be, and the be is what is missing here.
• D) had beenCorrect! The past perfect passive is had plus been plus past participle.

Respuesta correcta: A) will have been finished

• A) will have been finishedCorrect! The future perfect passive is will plus have plus been plus participle.
• B) will have finishedThat is the active form, and the subject would have to be the one doing the finishing.
• C) will be finishedA future simple would place the completion at the deadline without the backward view the by clause needs.
• D) had been finishedA past perfect would look back from a past point, and June is still ahead.

Respuesta correcta: B) were being announced

• A) were announcedA past simple passive would present the announcement as a single finished event.
• B) were being announcedCorrect! A past continuous passive takes were plus being plus participle.
• C) have been announcedA present perfect would link the announcement to now, and the scene is in the past.
• D) are being announcedA present continuous would place the announcement now, which the alarm interrupts in the past.

Respuesta correcta: C) could be booked

• A) can be bookedCan would place the possibility in the present, but the refusal is in the past.
• B) would be bookedWould would build a conditional, and the sentence reports a past situation.
• C) could be bookedCorrect! The past of can is could, so the modal passive is could be plus participle.
• D) must be bookedMust would express an obligation, which is different from the possibility that was denied.

Respuesta correcta: D) is checked

• A) are checkedAre would be correct for a plural subject, but each counts as singular in English.
• B) is checkingA continuous would suggest the applications check themselves, which is impossible.
• C) has checkedA present perfect would mean the applications do the checking, which reverses the roles.
• D) is checkedCorrect! Each is singular, so the present simple passive takes is plus participle.

Respuesta correcta: A) will be being processed

• A) will be being processedCorrect! The future continuous passive is will plus be plus being plus participle.
• B) will be processedA future simple would place the processing at the moment rather than showing it under way.
• C) are being processedA present continuous would place the processing now, and this time tomorrow is still ahead.
• D) will have been processedA future perfect would look back from the future point, and the process is still running at it.

Respuesta correcta: B) was scratched

• A) scratchedThe active would make the door the agent of scratching, which is not the meaning.
• B) was scratchedCorrect! The passive is right because the person responsible is deliberately unknown.
• C) has scratchedThe active present perfect would also make the door the agent.
• D) is scratchingA continuous would suggest the door is acting on its own, and during the night is a closed period.

Respuesta correcta: C) was signed

• A) signedThe active would claim that the law itself signed itself, which is not a possible reading.
• B) has signedThe active present perfect would have the same impossible meaning.
• C) was signedCorrect! A law is signed rather than signing, so the passive is the only possible structure.
• D) was signingA past continuous would also make the law the agent of the action.

Respuesta correcta: D) would

• A) willKeeping will would ignore the past tense of the reporting verb he said.
• B) areAre would introduce a present passive, and the report is about a future event.
• C) had beenA past perfect would shift twice, and the original will needs only one step back.
• D) wouldCorrect! In a reported passive, the first auxiliary shifts from will to would, while be finished is untouched.