Question Detail

We hate him.

He has hated by us.
He is hated by us.
He was hated by us.
He will hated by us.

Answer: Option B

1. I asked Susheela why she was sad.

Susheela was asked by me that why she was sad.
Susheela was asked by me why she was sad.
Susheela was asked that why she was sad.
Susheela was asked why she was sad.

Answer: Option D

2. They may win the battle.

The battle may be win.
The battle may be won.
The battle may be won by them.
The battle may won.

Answer: Option B

3. Post this letter.

Let this letter be post.
Let this letter be posted.
Let this post be letter.
Let this letter is posted.
Let this letter are posted.

Answer: Option B

4. He helps me.

I am helped.
I am being helped.
I am helped by him.
He helped by me.
I am being helped by him.

Answer: Option C

5. 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.