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BEttEr not Do

had better not do sth是正确的,to已被省略掉,详细解释请见以下: had better(常简略为'd better)是一固定词组,had better"最好",用于表示对别人的劝告、建议或表示一种愿望.其用法有以下几点: 一、had better后面必须跟动词原形. had better...

you 'd better not do 是正确的. you had better do ,you had better not do . had better最好怎么样怎么样,后面 动词用原形.不用不定式.

you 'd better not do 是正确的. you had better do , you had better not do . had better最好怎么样怎么样,,后面 动词用原形.不用不定式.

you had better not do 已经是完整的句子了,不需要助动词的,had better 意为最好,应该,与should用法相似

you 'd better not do 是正确的. you would better do ,you would better not do . would better最好怎么样怎么样,后面 动词用原形.不用不定式

(1)had better do sth.最好做某事 (2)had better to do sth.和had better doing sth.这两种形式都错误,不存在

最好做某事had better do sth,否定形式,最好不要做某事had better not do sth

had better not do , 因为是had better do sth,所以否定形式直接加not就行了

正常不定式是在to前加not,如ask sb not to do,但would better do 这是省略to的不定式,否定形式要在省略的to前。

是You'd better not do sth 完整形式是you had would表示过去的习惯 would都用于问句,比如 would you mind , would you please 千万别弄混了

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