needn‘t
音标:['ni:dnt]
neednot的缩写
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need用在疑问句和否定句中常用作情态动词,其后接不带to的不定式。由must提问的问句作答语时,如是肯定的要用must,否定的要用needn't,即为没有必要。在肯定句中常用作实意动词,如:I need to wait for my boy.
[误] Must I do it now?
No. you mustn't.
[正] Must I do it now? No, you needn't.
[析] need用在疑问句和否定句中常用作情态动词,其后接不带to的不定式。由must提问的问句作答语时,如是肯定的要用must,否定的要用needn't,即为没有必要。在肯定句中常用作实意动词,如:I need to wait for my boy.
In law, you needn't to answer these problems.
在法律上,你没有义务回答这些问题。
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