Question Detail

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

1. Don't insult the deaf man.

Let the deaf man not be insult.
Let the deaf man not be insulted.
Let the deaf man not insulted.
Let deaf man not be insulted.

Answer: Option B

2. She wants that she should be respected.

She wanted to respected.
She wants to respected.
She wanted to be respected.
She wants to be respected.

Answer: Option D

3. 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.

4. His behaviour surprised me.

I was surprised for his behaviour.
I was surprised at his behaviour.
I was surprised with his behaviour.
I was surprised on his behaviour.

Answer: Option B

Explanation:

Note: We use "at" preposition with word "surprised"

5. Let us play.

It is suggested that we could play.
It is suggested that we should play.
It is suggested to play.
No change

Answer: Option B

Explanation:

When we use "us" after "Let", it means it is a suggestion. So it is converted as this example.