1. You must wear your uniform to school. 
   must: phải (biểu thị sự bắt buộc của luật lệ,...)
2. We mustn't throw rubbish.
   mustn't: không được, cấm
3. There isn't any basement in the small house.
   doesn't have a basement = There isn't any basement
4. You shouldn't eat lots of sweets. 
   should/shouldn't: nên/không nên, dùng để khuyên bảo
5. You should listen to the weather forecast before going camping.
6. You mustn't drink water there
7. We have to be present at the class discussion on Saturday.
   have to: phải
8. HN is smaller than Tokyo.  
   So sánh hơn-tính từ ngắn: be + adj-er + than
   large >< small: lớn >< nhỏ

1, You must wear your uniform to school.

must + V1: phải làm gì

2. We mustn't throw rubbish.

mustn't + V1: không được làm gì 

3. There isn't a basement in the small house.

There isn't + a/an+  N số ít 

4. You shouldn't eat lots of sweets.

shouldn't + V1: không nên làm gì 

5. You should listen to the weather forecast before going camping.

should + V1: nên làm gì 

6. You mustn't drink the weather there.

mustn't + V1: không được làm gì 

7. We need to be present at the class discussion on Saturday.

It is necessary + to V = need + to V : cần 

8. Ha Noi is smaller than Tokyo.

S + be + ADj + er +than : ss hơn 

`color{orange}{~LeAiFuRuiHuiBao~}`