HAVE TO and MUST Exercises

 

1. Yesterday I [had to/must/mustn't] finish my geography project.
2. Tina will [have to/has to/must] wait in line like everyone else.
3. All employees [must be/mustn't/have to] on time for work.
4. We [mustn't/have to not/must] forget to take the chicken out of the freezer.
5. If you are under 13 you [have/must/mustn't] to get your parents' permission.
6. Your daughter may [have to/had to/must] try on a few different sizes.
7. The doctor [must/mustn't/have to] get here as soon as he can.
8. Do you [have to/must/mustn't] work next weekend?
9. Bicyclists [must/mustn't/has to] remember to signal when they turn.
10. Angela, you [mustn't/must/have to] leave your clothes all over the floor like this.
11. The teacher said:"You [must/have to/have] do all exercises on page 21 in your Sudent Book."
12. I [have to/must/has to] help my little brother more. My father said so.
13. I [have to/must/don't must] take these medicines. The doctor said so.
14. I [have to/must/have] stay at home as a punishment because I didn't behave well.
15. Sorry, I can't come. I [must/have to/don't have to] clean my room. I can't live in such a mess anymore.
16. He [has to/must/have to] clean the classroom because he was throwing papers on the ground.
17. "You [must/must to/have to] help me", said the mysterious woman to the detective.
18. "The rules [must/must to/have to] be obeyed at all times!" shouted the headmaster.
19. "I [have to/must/mustn't] go. Otherwise I'll miss my train."
20. I [have to/must/must to] be home at one o' clock. Otherwise, my mother will kill me.