must mustn't needn't

Front

What does 'must' indicate?

Back

It indicates that something is necessary or very important to do.

Front

What does 'mustn't' mean?

Back

It means that something is prohibited or not allowed.

Front

What does 'needn't' signify?

Back

It signifies that something is not necessary to do.

Front

When do we use 'must'?

Back

We use 'must' to express obligation or necessity.

Front

When is 'mustn't' used?

Back

'Mustn't' is used to give a negative order or prohibition.

Front

What is the difference between 'must' and 'have to'?

Back

'Must' is often used for personal obligation, while 'have to' is used for external obligations.

Front

Can 'needn't' be used in a positive sentence?

Back

No, 'needn't' is used to indicate that something is not required.

Front

Give an example of 'must' in a sentence.

Back

You must finish your homework before playing.

Front

Give an example of 'mustn't' in a sentence.

Back

You mustn't talk during the movie.

Front

Give an example of 'needn't' in a sentence.

Back

You needn't bring your lunch; we will provide food.