1. Thomas is writing a letter. -->

2. Carol gave me a car. -->

3. I will buy a new car tomorrow. --> tomorrow.

4. I have painted the bedroom. -->

5. He should refuse this offer. -->

6. Pupils do homeworks every day. --> Every day,

7. Have you done your homework? -->

8. Thomas bought a car yesterday. --> Yesterday,

9. He was reading a book. -->

10. Thomas may have done this. --> .