Task 1: Chia động từ to be theo thì thích hợp:
1. Itcold today.
2. He. a teacher when he was twenty five
. 3. Ivery hungry now.
4. Youso kind yesterday.
5. She12 years old 2 years ago.
6. Everything will.better soon.
7. I. very tired at the moment.
8. They.studied English for 6 years.
9. This patient..treated by a good doctor.
10. These dogs…taken care of by him since 2016.
11. Ane and Alice sisters?
12. this car yours?
13. you twenty-five years old?
14. the Smiths having dinner at present?
15. The teachers in the room in 2 hours.
16. The cat on the table.
17. The dog under the table since it heard the firework display.
18. There many people in this class.
19. Clara and Steve married for twenty years.
20. This book mine.
