need的用法有什么？
need可以用作情态动词，也可以用作实义动词，前者接动词原形，后者接动词不定式。举例说明如下：1、I need to get there at eight o’clock.我需要8点到。
2 、You needn’t worry about me, I will look after myself well.你不必担心我，我会照顾好自己。
一、need作情态动词的用法：
（1）need用作情态动词时表“必须、必要”,后直接跟动词原型,need+do，否定needn’t +do
（2）need无人称、数的变化（第三人称单数不加s）,也没有非谓语形式（不定式、分词）.
（3）注意:need用作情态动词时常用于否定句和疑问句中.
（4）must引导的一般疑问句的否定回答必须使用needn't.肯定回答用must.
二、need作实义动词的用法:
1、need + something(名词） 需要某物
2、need to do something 需要做某事
3、need doing = need to be done 需要……
4、need somebody to do something 需要某人做某事
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