Question Detail

He found the student guilty.

The student was found to be guilty by him.
The student was found guilty by him.
The student was found to guilty by him.
The student found to be guilty by him.

Answer: Option A

1. Bring the bottle of juice.

Let a bottle of juice be brought.
Let bottle of juice be brought.
Let a bottle of juice brought.
Let a bottle of juice be bring.

Answer: Option A

2. 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.

3. Let me do this task.

Let this task be did be me.
Let this task done be me.
Let this task be done be me.
Let this task be do be me.

Answer: Option C

4. My father has solved this matter.

This matter have been solved by my father.
This matter is solved by my father.
This matter has been solved by my father.
This matter had been solved by my father.

Answer: Option C

Explanation:

Note : Rule to make active voice of Present Perfect Tense :

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

5. 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