MODAL VERBS

Tim _______  go to school tomorrow because it’s Sunday

• has to

• doesn't have to

• don't have to 

You _________the animals at the zoo.

• mustn't

• shouldn't

• don´t have to

You _______exercise everyday. It’s good for you.

• must

• have to

• should

I ______ go out tonight. I’m babysitting my little cousins.

• can

• can't

• don't have to

• You mustn’t inflate your life jacket

• You shouldn't inflate your life jacket

• You don't have to inflate your life jacket

• You can carry any dangerous items in your luggage.

• You mustn't carry any dangerous items in your luggage.

• You can’t carry any dangerous items in your luggage.

• You must take off high heeled shoes in case of emergency

• You should take off high heeled shoes in case of emergency

• You shouldn't take off high heeled shoes in case of emergency

Passengers __________ switch off all electronic devices

you ________ listen to music on your mp3 player when you drive a car.

You _____ take a short walk around the cabin on a long-haul flight.