Question

: Rewrite the given sentences as directed :

1. Have they an aquarium in their room?( Affirmative sentence)
2. We are waiting for the chief guest.( Interrogative sentence)

3. The king gave her a reward .( Past perfect continuous)​

Answer 1

1) They lack an aquarium in their room.

=> We avoid "not" to change the sentence into affirmative, hence we use the word "lack".

2) Are we not waiting for the chief guest?

=> When changing into interrogative, an assertive and affirmative sentence becomes negative with the use of "not".

3) The king had been giving her a reward.