1.Your hair's too long . I think you should get it up

2.Your clothes are dirty. You should wash them

3.I'm going to bed. I have to get up early tomorrow

4.I'd to meet your best friend. You should invite him/her round

5.I have to tell my parents where I am, then they don't worry

6.You should come with me if you don't want to. I'll go on my own

7. If you need some help with your homework, you should go to the library.
8. If you have a ticket, you have to queue. You can go straight in.
9. You should tell lies. It’s wrong.
10. Nick works too much. I think he have to take it easy.

$*OwO:$

$-$ Have to: Diễn tả ý bắt buộc mang tính khách quan (do luật lệ, quy tắc hay người khác quyết định):

  $+$ S + have to/ has to/ had to/ ... + V (Bare).

$-$ Not have to: Diễn tả ý không cần phải làm gì.

  $+$ S + do not (don't)/ does not (doesn't)/ did not (didn't)/ will not (won't)/ ... + have to + V (Bare).

$-$ Should/ Should not: Đưa ra lời khuyên gợi ý về việc nên/ không nên làm gì.

  $+$ S + should/ shouldn't + V (Bare).

$------------$

$1.$ should

$2.$ should

$3.$ have to 

$4.$ should

$5.$ have to

$6.$ don't have to

$7.$ should

$8.$ don't have to

$9.$ should not

$10.$ should