must/mustn't

1.You must go to the New Year with me

2.Don't tell anybody what I said. You must keep it a secret.

3.My brother mustn't go home for Tet

4.You mustn't make such a noise. The baby is sleeping.

Cấu trúc: 

S + must + Vinf (cần thiết, bắt buộc phải làm gì)

S + mustn’t + Vinf (không được làm gì – chỉ sự cấm đoán)

should/shouldn't

1. I shouldn’t shoot during test hours.

2. I shouldn’t have pushed her down the stairs !

3. I should work hard to prepare for the next exam.

4. I should change the way I talk and gesture.

Cấu trúc

khẳng định+phủ đinh:S + should/ shouldn’t + V + (các thành phần khác

nghi vấn:Should + S + V + (các thành phần khác)?

+Yes, S + should

+No, S + shouldn’t

will/won't

1. I won’t make a joke of this.

2. I won’t be able to speak for a while.

3. I will go around the world one day.

4. I will think in a positive way.

cấu trúc

(+) S + will + V

(-) S + will not/won’t +V

(?) Will/Won’t + S + V?

chúc bạn học tốt!

@vinhnguyen021108

`-` S + must / mustn't + V-inf : Phải / Không được làm gì

`-` S + should / shouldn't + V-inf : Nên / Không nên làm gì

`-` S + will / won't + V-inf : Sẽ / Sẽ không làm gì

`*` Must :

`+` You must do your homework carefully

`+` If you wants good marks , you must study harder

`+` You mustn't walk on the grass

`+` You mustn't smoke in public places

`*` Should :

`+` You should help your friends

`+` He should do his homework now

`+` She shouldn't make a noise in class

`+` They shouldn't ride their bike so fast

`*` Will :

`+` I will be happy if you come

`+` As soon as he finishes his work , he will go home

`+` I won't go to your party if you don't invite me

`+` She won't do her homework tomorrow

`\text{# TF}`