1. They have never eaten Mexico food. (Thì HTHT)

2. Hoa has walked in the rain many times. She loves it. ( Many time là dấu hiệu của HTHT)

3. I have never seen such a big flower. (Thì HTHT)

4. We haven't visited Nha Trang since 2019. (Since là dấu hiệu của thì HTHT)

5. I have read that novel for a month. (For là dấu hiệu của thì HTHT)

6. He has never met her before. (Before là dấu hiệu thì HTHT)

7. The zoo isn't far from here. I have walked there three times. (Three times là dấu hiệu HTHT)

8. I was a student 2 years ago. (2 years ago là dấu hiệu HTĐ)

9. They were farmers last year. (last year là dấu hiệu HTĐ)

10. It wasn't cold yesterday. (Yesterday là dấu hiệu HTĐ)

11. I remembered your trip to Nha Trang 2 years ago. (2 years ago là dấu hiệu HTĐ)

12. Ba wore the cap all day yesterday. (Yesterday là dấu hiệu HTĐ)

13. I ate a lot of fish yesterday. (Yesterday là dấu hiệu HTĐ)

14. Her aunt took her to see Cham Temple last year. (Last year là dấu hiệu HTĐ)

15. Tuan had a new bike yesterday. (Yesterday là dấu hiệu HTĐ)

16. Didn't she buy a new ruler yesterday? (Yesterday là dấu hiệu HTĐ)

17. He didn't talk with his parents about his vacation last year. (Last year là dấu hiệu HTĐ)

18. My father is a farmer. ( Farmer: nông dân)

19. Hoa is very beautiful. (Sau very dùng tính từ)

20. Nam is very sporty. He plays many kinds of sports. (Sau very dùng tính từ)

21. What did you do after leaving school? (Câu này mình đọc quen mồm nên không biết giải thích)

22. I'm not very good at learning languages. (Như câu 21)

23. What are the benefits of having a car? ( Sau of dùng V-ing)

Chúc bạn học tốt!

1. never eat

2. will walk

3. never se

4.don`t vitised

5.have read

6. never meed

7. will walk

8.were

9.were

10. don`t were

11.has remember 

12.will wear

13.ate

14. have take

15. has

16.won`t buy

17.won`t talk

18.farmed

19.will beautyful

20. sported

21.have leave

22. has earn

23have