(A) Is my father known to you?

(B) Did you know my father?

(C) Does my father known to you?

(D) Do you know mine father?

(A) Why have you laughed at them?

(B) Have they been laughed at by you?

(C) You have been laughed at by them

(D) They have been laughed at by you.

(A) Last week a new shirt was bought by I.

(B) Last week a new shirt is bought by I.

(C) Last week a new shirt was bought by me.

(D) Last week a new shirt had been bought by me.

A. Cats are always chasing dogs.

B. Cats have been always chased by dogs.

C. Cats are always chased by dogs.

D. Cats are being always chased by dogs.

A. They will not be allowed to run away by us.

B. They would not be allowed to run away.

C. They are not allowed to run away.

D. They were not allowed to run away.

A. Who is feeding the child?

B. Who has fed the child?

C. Who was feeding the child?

D. Who has been feeding the child?

A. Shall I ever forget those happy moments?

B. Can I ever forget those happy moments?

C. Will I ever forget those happy moments?

D. Could I ever forget those happy moments?

A. Happiness is given by God.

B. Happiness is being given to us by God.

C. Happiness has been given by God.

D. Happiness will be given by God.

A. He was laughed at by all his friends.

B. He was laughed by all his friends.

C. He was being laughed by all his friends.

D. He was being laughed at by all his friends.