Bạn tham khảo nhé!

1. I am trying to concentrate.

- I am not trying to concentrate.

- Are you trying to concentrate?

2. It is snowing.

- It isn't snowing.

- Is it snowing?

3. You are making a lot of noise.

- You aren't making a lot of noise.

- Are you making a lot of noise?

4. I am looking for a phone box.

- I am not looking for a phone box.

- Are you looking for a phone box?

5. They are shouting at each other again.

- They  aren't shouting at each other again.

- Are they shouting at each other again?

6. I am working this week.

- I am not working this week.

- Are you working this week?

7. I am eating anything today.

- I am not eating anything today.

- Are you eating anyting today?

8. My father is reading newspaper now.

- My father is not reading newspaper now.

- Is your father reading newspaper now?

9. My mother is going to market at present.

- My mother isn't going to market at present.

- Is your mother going to market at present?

Chúc bạn học tốt!