1. We don't sometimes use a dictionary in class.

2. My friends are not friendly.

3. School doesn't finish at 3 o'clock.

4. You don't live near me.

5. He doesn't like Pop music.

6. Jack doesn't do his homework before dinner.

7. I and my sister don't play tennis in school on Wednesday afternoon.

8. I'm not a singer.

9. My mother doesn't teach art.

10. He doesn't play tennis after school.

11. It's not nine o'clock.

12. We don't have lunch at school.

13. Now is bot seven o'clock.

14. We don't go to bed at nine o'clock.

1) We sometimes don't use a dictionary in class.

2) My friends aren't friendly.

3) My school doesn't finish at three o'clock.

4) You don't live near me.

5) He doesn't like Pop music.

6) Jack doesn't do his homework before dinner.

7)  I and my sister don't play tennis in school on Wednesday afternoon.

8) I'm not a singer.

9) My mother doesn't teach art.

10) He doesn't play tennis after school.

11) It's not nine o'clock.

12) We don't have lunch at school.

13) Now is not seven o'clock.

14) We don't go to bed at nine o'clock.

Bài rất dễ nên bn phải biết làm chứ nhỉ, có j ko hiểu phải hỏi nhé!