Prohibition
Necessity
Mixed
100

You _______ ______ that bread. It’s a week old.

mustn’t eat

100

You _________ ________ off you shoes if they are clean.

needn’t take / don’t have to take off 

100

It’s important that you listen to me. (must ) 

You must listen to me.

200

In football, you _________ _______ the ball with your hand.

mustn’t touch

200

You ________ _______ to the check-in desk if you have checked in online.

needn’t go / don’t have to go 

200

It isn’t necessary for you to help me. ( needn’t) 

You needn’t help me. 

300

You _________ ______ near the edge of the cliff. It’s very dangerous.

mustn’t go / stand

300

You _____ _____ the question. You can pass.

needn‘t answer / don’t have to answer

300

You needn’t write the answer. ( have to) 

You don’t have to write the answer.

400

We _________ _________ any more time.

mustn’t waste

400

You ______ ______ me. I can do it by myself. 

needn’t help / don’t have to help

400

it’s obligatory that you do your homework. (must) 

You must do your homework.

500

In most Arab countries you ______ ______ food with your left hand. You should use your right hand.

mustn‘t eat / lift 

500

We ________ ________ a uniform to school. We can wear whatever we choose. 

needn’t wear / don’t have to wear 

500

You aren’t allowed to copy your friends. (mustn’t) 

You mustn’t copy your friends.