1. played
2. played
3. helped
4. collected
5. collected
6. watched
7. danced
8. worked
9. watered
10. read
11. had
12. gave
1) played
2) played
3) helped
4) collected
5) watched
6) danced
7) danced
8) worked
9) watered
10) listened
Part B:
1)came
2)came
3) went
4)went
5) got up
6) was
7) was
8) bought
9) bought
10) read
11) has
12) gave