| 词组 | don't have to |
| 释义 | have to • must • don't have to • needn't • mustn't - You have to/must slow down here. (must and have to are often used in the same way in the affirmative to express necessity) - I don't have to/needn't get up early when I'm on holiday. (Not *mustn't get up*) (don't have to and needn't are often used in the same way to express lack of necessity) - You mustn't park on the yellow lines. (prohibition) |
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