Question Detail

I must help him.

He must helped by me.
I must held him.
He must get help from me.
He must be helped by me.

Answer: Option D

Explanation:

If we have "Subject + Modal Auxiliary verb + first verb + object"
then we change it to

Passive subject + Modal Auxiliary verb + be + third form + by + passive object.

Modal Auxiliary verb are : can, could, shall, will, may, might, should, would, must, ought to etc.

1. We must have obeyed our teachers.

Our teachers might have obeyed.
Our teachers might have been obeyed.
Our teachers must have been obeyed.
Our teachers must have obeyed.

Answer: Option C

Explanation:

If we have "Subject + Modal Auxiliary verb + have + third verb + object"
then we change it to

Passive subject + Modal Auxiliary verb + have been + third form + by + passive object.

Modal Auxiliary verb are : can, could, shall, will, may, might, should, would, must, ought to etc.

2. He displeased Mr. Mathur.

Mr. Mathur was displeased on him.
Mr. Mathur was displeased for him.
Mr. Mathur was displeased at him.
Mr. Mathur was displeased with him.

Answer: Option D

3. You sing songs.

songs are sung by you.
song are sang by you.
songs was sung by you.
songs is sung by you.
songs are sing by you.

Answer: Option A

4. Please tell me something.

You are requested to tell me something.
You are requested tell me something.
You are requested to tell something.
You are request to tell me something.

Answer: Option A

5. There is no book to read.

To be read there is no book.
To read there is no book.
There is no book to read.
There is no book to be read.

Answer: Option D