The revised sentences are
I. Nobody helped me, did they?
II. Did someone break the vase?
III: He has written some books
IV. They are doing mediation
V. He asked me if I was a student
VI. He didn't speak a word.
This question requires you to transform each sentence based on the instruction given. Let's analyze each case:
<h3>How to add a tag?</h3>
A question tag is a phrase added at the end of a question to emphasize it. The general structure of the question tag is auxiliary verb + subject. Moreover, if the first statement is negative the question tag is affirmative and vice versa.
- None helped me (negative) = did they (affirmative tag)
<h3>How to make a sentence affirmative?</h3>
To make a sentence affirmative remove any negative words and adjust other words if necessary.
- He has not written any books (remove not and replace any) = He has written some books
<h3>How to use the correct form of a verb?</h3>
To use the correct form of a verb consider the context to know if the action is happening, will happen, or is already finished.
- Don't make noise. They (do) meditation inside the room (We can infer the action is in progress) = They are doing meditation.
<h3>How to change a sentence to indirect speech?</h3>
Indirect speech implies reporting what another person said, this usually implies a change in the verb, for example, a verb is present changes to past.
- He said to me, “You aren't a student, are you?” = He asked me if I was a student.
<h3>How to change a sentence to an active voice?</h3>
In the active voice, the general structure is subject + verb + object or complement.
- No word was spoken by him = He didn't speak any words.
Learn more about sentences in: brainly.com/question/1395561