What about/ How about + V_ing...? = Let's + V_inf : chúng ta hãy.... = Why + trợ V + not + S + V_inf +... : tại sao ....không .... (Lời mời, đề nghị)

Must to + V_inf = have/has to + V_inf: phải làm gì

Ought to/ should + V_inf: nên làm gì

16. ⇒ What about staying at home and doing our homework. 

17. ⇒ Shall we play football after school?

18. ⇒ You ought to do exercise regularly.

19. ⇒ You ought to wash your hands before meals.

20. ⇒ You ought not to be late for school.

21. ⇒ You ought to get up early and help your mom.

22. ⇒ He has to go to work on foot because he doesn't have any vehicles.

23. ⇒ Thanh has to do all these assignments first.

24. ⇒ They must learn how to keep safe in the water.

25. ⇒ He must sign his name here.

26. ⇒ You have to eat a lot of vegetables because it's good for you.

27. ⇒ They ought to go out to relax.

28. ⇒ Hoa is safe driver. (Hoa lái xe 1 cách an toàn ⇒ Hoa là người lái xe an toàn)

29. ⇒ We ride slowly ( Chúng tôi là những người lái xe chậm ⇒ Chúng tôi lái xe 1 cách chậm rãi)

30. ⇒ Let's go swimming on the weekend.

#Chúc bạn học tốt!#