by HERBER

Must is most commonly used to express certainty Must is most commonly used to express certainty. It can also be used to express necessity or strong recommendation. Example: This must be the right answer. You must study hard .

must not = mustn’t can be used to prohibit actions. Example: You mustn’t kick the ball when you play basketball.

He must do his homework.

helmet She must wear a helmet. Helmet

He mustn’t sleep in class.

You mustn’t cross the street now. You must stop here. You mustn’t cross the street now.

He mustn’t kick the ball.

You mustn’t touch the ball with your hands

You mustn’t overtake cars.

You must turn around .

You mustn’t smoke.

You must not cheat in the exams.

You must not walk here .

He must not park here .

Expressing obligation Expressing prohibition Must +stem Must not + stem = mustn’t +stem

DRIVING TEST must or mustn’t ?

You ___________ turn right must mustn’t

You ___________ turn left must mustn’t

You ___________ turn left must mustn’t

You ___________ stop here must mustn’t

You ___________ park here must mustn’t

You ___________ turn right must mustn’t

You ___________ enter must mustn’t

You ___________ go ahead must mustn’t

You ___________ stop here must mustn’t

BYE BYE!