 Make the following sentences interrogative and negative:
Example: Yesterday at six I was preparing dinner. – Was I preparing dinner at six
yesterday? Yesterday at six I was not preparing dinner.
1. We were studying English yesterday at 4:00 pm.
2. John was working for this firm in the 1970s.
3. She was having a bath when the telephone rang.
4. He was playing tennis from 3 till 4 yesterday afternoon.
5. Jack was doing his homework when Susie rang and asked him out.
6. My friend was painting the door when someone came in.