need的用法
1.need作实义动词,意为“需要”。如:
Do you need to stay at home?
你要呆在家里吗?
2.need作情态动词,一般用于对must的否定回答。如:
---Must he leave now? 他必须离开吗?
---No, he needn't. 不,他不必。
3.区分:
a.need作实义动词。
He needs to go.
He doesn't need to go.
Does he need to go?
Yes, he does./No, he doesn't.
b.need作情态动词,一般不用于肯定句。
He needn't go.
Need he go?
Yes, he need./No, he needn't.
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