3º have to, don't have to, must, mustn't, should, shouldn't

EXTRA EXERCISES:

USE HAVE TO OR MUST CHANGING THE TENSE IF NEEDED.

1)      Yesterday I ________________ finish my Geography project.

2)      She will ___________________ wait in line like everyone else.

3)      The doctor _____________ get here soon as he can.

4)      Do you __________________ work next weekend?

5)      I really ________________ remember to post that letter before five o'clock

6)      We ______________________ eat fish for dinner. Mom said so!

USE HAVE TO OR MUST IN AFIRMATIVE OR NEGATIVE WHEN NEEDED.

1)       You _____________________ speak too loud, the baby is sleeping.

2)      We _________________ forget to take the chicken out of the freezer.

3)      Bicyclists _________________________ remember to signal when they turn.

4)      You ________________________ do that Jane, I'll do it later, don't worry.

5)      If you are under 13 you ________________________ get your parents’ permission.

6)      Ana, you ____________________ leave your clothes all over the floor like this!

7)      You _____________________ eat that if you don’t want to!

8)      You _______________________ smoke in Paul’s car or he’ll get very angry with you!

9)      You really ______________________ stop driving so fast or you’ll have an accident.

10)  We ______________________________ work last night until 8 o'clock.