Do you want to practise using 'must' and 'mustn't' in English? Play our grammar games and have fun while you learn.

Grammar Rule

Examples

I must do my homework.
You mustn’t be late for class.
We must wear our school uniform.

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.

Be careful!

The main verb is without ‘to’.
He must be careful when cutting food.
I mustn’t make a mess.

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.)

Average: 
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Average: 3.6 (906 votes)

Comments

I got 10/10.

It wa nice game and it's easy.

nice game

it is a very interesting game :)

 This is a good game:)

 Its the simplest way to learn sentences ordering

it's very good math game!!!

Good game!

both games were funny!!!!!!

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