modal auxiliaries: must versus have to

modal auxiliaries: must versus have to

Multiple Choice

Which of these is NOT correct?

• We have to drive on the left in England.

• I can't come to the party. I must doing my homework.

Multiple Choice

Which of these sentences is correct?

• I have to start work at 9 am every day.

• I have to eat ice-cream this evening.

Multiple Choice

Which of these sentences is incorrect?

• One of the laws is that we must pay our taxes.

• I'm their father and I say they must go to bed at 8 pm.

Short speaking activity

Make up a sentence yourself in which either 'must' or 'have to' is used correctly. You only have to think of 1 sentence. If your sentence is said before you, use another one.