don't need 等不等于 needn't

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don't need 等不等于 needn't
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don't need 等不等于 needn't
don't need 等不等于 needn't

don't need 等不等于 needn't
意思和翻译是一样的,但语法和意思不一样的
need既可用作情态动词,也可用作实义动词.当need作情态动词时,意思是“必要,必须”,主要用于否定句（needn't）和疑问句,第三人称单数不加s,过去式不加ed；当need作实义动词时,意思是“需要,想要”,可用于肯定句,否定句（don't need）和疑问句中,第三人称单数要加s,过去时要加ed,其后接的不定式要加to.
例：I want to go to the dentist,but you needn't go with me..
我要去看牙科医生,但你不必跟我一起去.( need作情态动词)
例：I don't need to buy a new pair of shoes.
我不需要买一双新鞋子.(need作实义动词)

意思相等

意义上等于，语法上略有区别。

不等于
don't need to等于needn't

前者做实义动词，后者做情态动词

don't need 里面的need是实义动词
needn't 里面的need是情态动词
两者在意义翻译上可以等同
但是在语法上不能够画等号

等于

don't need 等不等于 needn't I Don' t Need Don't need man don't need doing还是don't need to do? i don't need love don't need to understand You don't need love I don't need sex Don't Need to worry don't need,needn't 的区别 You Need Me,I Don'T Need You 歌词 need not 和don t need 的区别 I don't need a lover,I need love we (need;don't need)to buy any strawberries we don't need being,we need becoming什么意思 need no 和dont need如they need no food.为什么不是don't need food? need no 和dont need如they need no food.为什么不是don't need food? we ____ pens.we need some pencilsneedn't don't need can't need aren't need