you'd better not be late为什么是not而不是don't呢?求原因

ghyu6u7 1年前已收到5个回答举报

belial-light 幼苗

共回答了14个问题采纳率：92.9% 举报

had better not do sth.
是固定搭配
意思：最好不要做某事

1年前追问

ghyu6u7 举报

那是not late 还是 not late 呢？

举报 belial-light

late是一个形容词，应该和be联用

tak6666 幼苗

共回答了3310个问题举报

you'd better not do sth
你最好不要做某事
这是固定搭配，应熟记

1年前

连城市幼苗

共回答了50个问题举报

be late 是迟到的意思不能用do

1年前

CRYLU 幼苗

共回答了43个问题举报

had better not do sth.是固定搭配，最好不要做某事。

1年前

五月的麦地幼苗

共回答了46个问题举报

原型是you had better not be late。
had better"最好用于表示对别人的劝告、建议或表示一种愿望。
had better后面必须跟动词原形。
had better后跟动词原形(即不带to的不定式)，构成had better do sth.句型。
否定加not为什么是be late 而不是late?这里late是形容词啊又不是动词 ...

1年前

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