Explanation

The budget will be approved by the board only after the accounts are verified by the auditor.

Future tense "will approve" in active voice → will be approved in passive.

The condition "after the auditor verifies" → accounts are verified in passive voice.

Explanation

The match was being watched by them.

The sentence is in past continuous tense, so in passive voice “were watching” becomes “was being watched.”

Explanation

My wallet has been stolen.

In passive voice, the correct structure for recent events uses "has been" with the past participle.

It indicating that the action occurred recently but the focus is on the result.

Explanation

A beautiful picture is being painted by her.

The sentence is in present continuous tense, so in passive voice “is painting” changes to “is being painted.”

Explanation

These flowers are grown by them in northern areas.

The sentence is in simple present tense, so in passive voice it becomes “are grown” + by them.

Explanation

A new school is going to be built by us.

In passive voice, “are going to build” becomes “is going to be built” while keeping the same tense and meaning.

Explanation

The active voice of “A lion may be helped even by a little mouse” is “Even a little mouse might help a lion.”

The modal “may be helped” changes to “might help” in active form, keeping the sense of possibility.

Explanation

This work will have been finished by tomorrow.

Passive voice of “You will have finished this work” changes the subject “you” to the agent (often omitted).

The object “this work” becomes the subject, and the correct passive form is “will have been finished.”

Explanation

In passive voice, "Please" changes to a polite request: You are requested.

The tense remains present, so "are requested" is correct.

Explanation

The picture was painted by the renowned Picasso.

The verb painted (simple past) changes to was painted in passive voice.

The object this picture becomes the subject in the passive sentence.