Obligation, Prohibition and Absence of Obligation
Obligation, Prohibition and Absence of Obligation
Obligation, Prohibition and Absence of Obligation
RULES PRACTICE
MUST/HAVE TO AT THE ZOO
MUST
AT SCHOOL
Sometimes MUST is about Students ___________ 5 to wear uniforms, but they
personal obligation. The speaker ___________ 6 respect the property and equipment
feels it’s necessary for him or of the school and others.
his listener to do something. Every student _______7 be serious, honest,
You must stop offering me these responsible, polite and neat in appearance.
cookies. In Japan, students _________8 forget to sweep the
hall floors before they go home at the end of the day.
DON’T NEED TO/
DON’T HAVE TO
TRAFFIC RULES
DON’T/DOESN’T NEED TO...
means it’s not necessary to do You _______ 9 stop when the traffic light is red.
something. You ______10 turn right. Look at the sign!
You don’t need to hurry to cross Traffic wardens _________ 11 be patient but firm
the street. There’s plenty of with negligent drivers.
time. Cyclists ___________12cycle on the pavement.
In England you _________13 drive on the left.
MUSTN’T
2. mustn’t
3. must/have to
6. must/have to
7. must/has to
8. mustn’t
9. must/have to
10. mustn’t
11. must/have to
12. mustn’t
13. must/have to
14. mustn’t
15. must/have to
16. must/has to
17. must/have to
18. must/has to
19. mustn’t
20. have to