he doesn't need to come if he feel sick

he doesn't need to come if he feel sick
为什么是doesn't need to come 而不是needn't to come
讲清为什么或语法知识
重点说明为什么doesn't need to come

好好地生活 1年前已收到2个回答举报

cchhotel 春芽

共回答了24个问题采纳率：95.8% 举报

need既可以作实义动词,也可以做情态动词.当他做实义动词时,用need to do sth,当做情态动词时,其后直接加动词原形,你这个句子还可以用needn't come,而不是needn't to come.若不懂还可以问我,我一直在线.

1年前

liuhuagan 幼苗

共回答了227个问题举报

可以说he needn't come,need这里做情态动词
原句need 作动词，所以要加to

1年前

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