NAME:
to 7
DATE:
GRAMMAR WORKSHEET
MUSTN'T vs DON'T HAVE TO
Mustn't (Must not)
Use mustn't when you mean that it is
important NOT to do something.
Examples:
(1) "You mustn't forget about the test."
(2) "You mustn't drive too fast."
Don't Have To
Use don't have to to say that you can do
something if you want to - but it is NOT
necessary to do it. You can choose.
Examples:
(1) "You don't have to add sugar to tea."
(2) "You don't have to watch that TV show."
Choose the best way to complete the sentences. Use "mustn't" or "don't have to".
1. You
don't have to
have a pet cat
2. You
mustn't
get to class late.
3. You
4. You
5. You
6. You
7. You
8. You
9. You
10. You
11. You
12. You
13. You
14. You
leave toys on the floor.
play tennis.
forget your airplane ticket.
go to bed at nine o'clock.
eat spaghetti
become rich and famous
watch TV all day.
get too close to a lion.
K
make lots of noise in a movie theater.
swim at a beach.
cheat on exams.
eat apples.
15. You
buy a house.
Think of two more things you mustn't do. Think of two more things you don't have to
​