Modal verbs

They __________ be at the airport by 8 a.m. to catch their flight.

• will

• ought to

• have to

• mustn´t

You __________ call me before you come over; it's not necessary.

• should

• don´t have to

• mustn´t

• has to

You __________ wear a helmet when riding a bike; it's the law.

• don´t have to

• ought to

• must

• shouldn´t

She __________ hurry, there's plenty of time before the event starts.

• must

• doesn´t have to

• should

• ought to

“Somebody is knocking at the door.”
“Ok, I __________open in a second.”

• will

• have to

• ought to

• must

My husband ____ smoke so much, there are children nearby.

• won´t

• ought to not

• oughtn´t

• will not

You have a great job; you _______ change it.

• should

• must

• have to

• shouldn´t

Children _________ go to school in the future.

• shouldn´t

• mustn´t

• will not

• don´t have to

If I want to be healthy, I _________ eat vegetables.

• must

• ought to

• have to

• has to

Waiter: Would you like coffee?

Customer: No I wouldn't. I __________order tea.

• would like to

• would like