Question

a) Voice change-Active to passive:
1.I need some help
2.We use this room on special occasions
3.she did not care for me
4.I shall post this letters tomorrow

b)Add appropriate question tage to the following sentences:
1.she had not taken the necessary precautions.
2.selfish people do not make good friend
3.let us make every effort to keep them happy
4.in this respect,i am absolutely fair.

Answer 1

a)1.I need to be helped by someone
2.This room is used by us only on special occasions
3. i was not cared by her
4.these letters will be posted by me tomorrow
b)1. ,had she?
2. , do they?
3. ,shouldn't we?
4. , aren't i?