Question Detail

He does not fly kites.

Kites are not flows by him .
Kites does not flows by him .
Kites were not flows by him .
Kites was not flows by him .
Kites is not flows by him .

Answer: Option A

1. He go to school.

School is went by him.
School was gone by him.
School is gone by him.
School are gone by him.
School is goes by him.

Answer: Option C

2. Sit down.

You are requested to sit down.
You are ordered to site down.
You are told to sit down.
No change.

Answer: Option B

3. Someone has stolen his book.

His book is been stolen.
His book has been stolen.
His book is stolen.
His book has stolen.

Answer: Option B

Explanation:

Apart from Rule to make active voice of Present Perfect Tense, which is

Passive subject + has/have + been + third form of verb + by + passive object

Please also note that words like, "someone", "somebody", "people", "police", "public" etc are dropped. But in rare cases we can use them if sentence meaning is not clear.