The key answer of exercise 5
The key to exercise solutions in chapter Modal verbs for obligation and permission for the textbook Focus 3 (2nd edition) - Workbook with authors Daniel Brayshaw, Dean Russell, Anna Osborn and Amanda Davies from Pearson Education
Question
Rewrite the sports centre rules. Use modal verbs for permission and obligation. Sometimes more than one answer is possible.
Answer
- have to / need to
- don’t have to / don’t need to / needn’t
- can / are allowed to
- can’t / aren’t allowed to / mustn’t
- have to / need to
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