Mustn't - English exercises

Must - mustn't

Must + infinitive = it is necessary to do something. For past tenses use had to.

positive - must
I must stop the car.
You must stop the car
He / She / It must stop the car.
We must stop the car.
You must stop the car.
They must stop the car.

negative - mustn't
I mustn't stop the car.
You mustn't stop the car
He / She / It mustn't stop the car.
We mustn't stop the car.
You mustn't stop the car.
They mustn't stop the car

Mustn't + infinitive = it is necessary not to do something.

English Could, must, need exercises

Could, must, need with free online exercises, examples and sentences, questions and Could, must, need negative sentences.

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