need用法情态动词need的用法

need的用法：need可以作为名词，表示需要、必须，常用词组有：meet a need、financial needs 。need可以作为动词，表示应该或不得不做，后面接动词原形或to do，比如need to do sth 。

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need的例句
There is no need for you to get up early tomorrow.你明天不必早起。
I had no need to open the letter─I knew what it would say.我没必要拆开那封信——我知道里面会说些什么。
The house is in need of a thorough clean.这房子需要来个大扫除。

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【need用法情态动词need的用法】You needn't finish that work today.你不必今天做完这项工作。
You needn't have hurried (= it was not necessary for you to hurry, but you did) .你当时不必这么匆忙。

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I need hardly tell you (= you must already know) that the work is dangerous.这工作很危险，这就不用我说了。
If she wants anything, she need only ask.她想要什么东西，只要开一下口就行了。
All you need bring are sheets.你需要带的就是床单。