1. His sister studies.
2. She studied.
3. Did your brother go, he did.
4. I go.
5. I went.
6. My brother washes.
7. He washed.
8. I do not have.
9. We did not rest.
10. My brother did not drink.
11. My mother always takes, she did not take, she walked.
12. Do you talk, I do, I did not talk, I was.
13. Did you come, I didn't, I came, I was, I had, I was, I drank, I rested.
14. Mary likes.
15. She wrote.
16. Did you tell.
17. Do you wear, I wore.
18. We like, we enjoyed. Did your brother go, he did.