a) Revise the rules if necessary.

b) Copy these sentences in your notebook. Fill in the gaps with the appropriate form of MUST, HAVE TO or NEED TO. Sometimes more than one answer is possible.

c) Click on the key to see the correct answer.

1. You ... show your ticket at the entrance to get into the stadium.
2. This plant is dying, I ... water it at once!
3. My mother ... buy some butter for the cake.
4. We ... use your computer, I have my calculator right here.
5. You ... wash your hands before having dinner.
6. We ... smoke in here, this is a non-smoking area.
7. You ... never drive over the speed limit if you don't want to get a fine.
8. I ... finish the English homework before the deadline, which is tomorrow.
9. We ... forget to put the auxiliary before the subject in these questions.
10. My mother ... cook tomorrow, my father will do it.

Juan José Castaño