Modal verbs of obligation

• You _______ smoke here. It's prohibited.

• shouldn't

• don't have to

• mustn't

• I _______ work on Sundays.

• shouldn't

• don't have to

• mustn't

• You _______ smoke so much. It's bad for you.

• shouldn't

• don't have to

• mustn't

• You _______ be silent in an exam.

• should

• have to

• must

• You _______ eat more fruits and vegetables.

• should

• have to

• must

• I _______ get up early to get to school on time.

• should

• have to

• must

• You _______ take a break if you are tired.

• should

• have to

• must

• You _______ fasten your seatbealts in the car.

• should

• have to

• must

• You _______ use your phone while driving. It's very dangerous.

• shouldn't

• don't have to

• mustn't

• We _______ watch this movie if you don't want to.

• shouldn't

• don't have to

• mustn't