這句中的need是實(shí)意動(dòng)詞,是“需要”的意思,否定形式是助動(dòng)詞do+not+need原型.
need后接賓語.如下說明：
need cleaning（動(dòng)名詞）=need to be cleaned（不定式充當(dāng)名詞形式）
need a book（需要一本書）.
need做情態(tài)動(dòng)詞時(shí),后面加的是動(dòng)詞原型,此時(shí)的need 否定形式才是 needn't .
the room is quite neat,it doesn't need cleaning
the room is quite neat,it doesn't need cleaning
怎么不說it needn't cleaning
怎么不說it needn't cleaning
英語人氣：645 ℃時(shí)間：2020-04-06 05:11:18
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