1. we were at the block of flats.
2. they have got salary.
3. he was a policeman.
4. she was at the competition.
5. she is a musician.
6. are you a student? yes, I am.
7. were you at the college yesterday? no, l wasn't.
8. he is a scientist.
9. he was in the institute yesterday.
10. was he in the institute yesterday? no, he wasn't.
11. the car is outside.
12. there was not a car yesterday.
13. were there cars outside yesterday? no, there weren't.
14. was there a car outside yesterday? no, there wasn't.