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. Rahul made her laugh.

She had made to laugh by Rahul.
She was made for laugh by Rahul.
She was made to laugh by Rahul.
She was made laugh by Rahul.

Answer: Option C

Explanation:

Note : Please note "made to laugh"

2. Where do they buy the utensils ?

Where did the utensils bought ?
Where was the utensils bought ?
Where are the utensils bought ?
Where were the utensils bought ?

Answer: Option C

Explanation:

It can also be :
Where are the utensils bought by them ?

3. Shut the door.

Let the door be shut.
Let the door is shut.
Let the door was shut.
Let the door are shut.
Let the door be shut.

Answer: Option E

4. My friends are watching the match.

The match is watched by my friends.
The match had being watched by my friends.
The match is being watched by my friends.
The match has being watched by my friends.

Answer: Option C

5. 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.