Must/Must't

Must/ Mustn't

Rules

must

IIMPORTANT!

The main verb is without ‘to’. He must be careful when cutting food.

- It is commonly used to express certainty (You must be the right answer)..

- It can also be used to express necessity or strong recommendation.. (You must stay at home during the quarantine)

mustn't=must not

IIMPORTANT!

The main verb is without ‘to’. I mustn’t make a mess.

- It can be used to prohibit actions (You mustn't touch the ball with your hands when you play football.

Remember!

We can use ‘must’ to talk about RULES. For the negative, we can say ‘must not’ or ‘mustn’t’.

• Parents must take care of their children.
• You mustn’t shout in the library.
• She must not forget her books at school.

We say... we don't say

• You must look both ways when crossing the road. (NOT You must to look both ways when crossing the road.)
• We mustn’t run in school. (NOT We mustn’t to run in school.)
• Children must respect their parents. (NOT Children must respecting their parents.)e

Esto es un párrafo de texto listo para escribir un contenido genial

School Rules

You must study hard if you want to pass your exams.

You must raise your hand to speak.

You mustn't eat in the classroom.

You mustn't cheat in your exams.

You must finish your exercises on time.

You must ask the teacher if you don't understand.

You mustn't bully your classmates. .

You mustn`t shout at the teacher or your classmates.

Let´s practise!

must/mustn't

PRESS

School Rules