1. She must start / starting / to start the job as soon as possible. 2. I stopped read / to read / reading my book and went to bed. 3. Let me to pay / paying / pay for the meal 4. I asked my younger brother buying / buy / to buy some stamps. 5. Have you finished writing / to write / write that letter yet? 6.They enjoyed play / playing / to play football after school. 7.Tom used to live / living / lived in the house at the end of this street. 8.What were you doing / are you doing / did you do when I came to your office yesterday?

Để làm bài này, bạn cần xác định cách sử dụng dạng động từ đúng trong mỗi câu.

1. She must start the job as soon as possible.
2. I stopped reading my book and went to bed.
3. Let me pay for the meal.
4. I asked my younger brother to buy some stamps.
5. Have you finished writing that letter yet?
6. They enjoyed playing football after school.
7. Tom used to live in the house at the end of this street.
8. What were you doing when I came to your office yesterday?

Đây là cách làm theo mình hiểu từ câu hỏi, nếu có cách làm khác bạn có thể thử trình bày theo cách đó.