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Level 2: Pre-Intermediate >> Grammar Worksheets >> Worksheet to help with the often problematic difference between "mustn't" and "don't have to".

Don’t have to / Mustn’t

1. You _________ pay for a plastic bag at many supermarkets.

2. During an exam, you _________ copy the other students.

3. You _________ drive over 120 kph in Britain.

4. Your dinner is at 7p.m. so you _________ be late.

5. I know you don't like visiting your Uncle Tom so you ________ come if you don't want.

6. You _________ touch the pictures in an art gallery.

7. John won the lottery last year so he __________ work.

8. If you want to swim in Hawaii in winter, you ________ go to the beach!. There are some swimming pools.