The past simple

The past simple.
1. He (teach) math at this school in 1986. taught
2. He (not teach) math at this school in 1986. didnet teach
3. He (teach) math at this school in 1986? Did... teach
4. Mozart (play) the piano when he was three. played
5. Mozart (not play) the piano when he was three. Did not play
6. Mozart (play) the piano when he was three? Did play
7. I (be) at home yesterday. were
8. I (not be) at home yesterday, were not
9. You (be) at home yesterday? were --- you
10. I (meet) her at the movie theater last night. met
11. I (not meet) her at the movie theater last night. didn't meet
12. You (meet) her at the movie theater last night? Did... meet
13. They (have) dinner in a small restaurant yesterday evening.
14. They (not have) dinner in a small restaurant yesterday evenir
15. They (have) dinner in a small restaurant yesterday evening?
16. My father (buy) a new car two months ago.
bought
did not bu
17. My father (not buy) a new car two months ago.
18. Your father (buy) a new car two months ago? Did.. bu