He said we (have to / could) use the computer if we wanted to.
2)I (don�t have to / should) look after my little brother, because my mother will be at home.
3)You (should / don�t have to) cook.We (must / can) eat in a restaurant.
4)The ground is wet. It (may have / must have) rained.
5)I can�t believe that happened! He (could forget / might forget / can�t have forgotten) everything.
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� Read the sentences and choose the correct answer.
1. Ann must / mustn`t / needn`t buy a new car. This one is falling apart.
2. John must / mustn`t / needn`t worry about his father`s health. He is completely healed.
3. The boys needn`t / mustn`t / must do the project work now. It is only for next month
4. Kate must / mustn`t / needn`t worry about her baby. The nanny takes good care of him
5. Tim must / mustn`t / needn`t drink so much. It is bad for his health
