(1/4)紧急求助:could表情态用法.could you please.../could I...的回答肯定句与否定句所有书都是YES,I

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(1/4)紧急求助:could表情态用法.couldyouplease.../couldI...的回答肯定句与否定句所有书都是YES,I(1/4)紧急求助:could表情态用法.couldyouple

(1/4)紧急求助:could表情态用法.could you please.../could I...的回答肯定句与否定句所有书都是YES,I
(1/4)紧急求助:could表情态用法.could you please.../could I...的回答肯定句与否定句所有书都是YES,I

(1/4)紧急求助:could表情态用法.could you please.../could I...的回答肯定句与否定句所有书都是YES,I
could you please...
回答肯定句:YES,I can
否定句:No.i can't .
could I...
回答肯定句:YES,you can
否定句:No.you can't .

否定的是Sorry ,......(然后找个理由搪塞)
外国人就是假、还要编个理由的

Yes I could
No I couldn't
of course/sure
No,thanks
有不会的可以再问我

当语境是一般现在时的时候:提问是 could you…?回答是必须用: yes, I can 或 No you can't. 应为这个时候could只是语气上更和缓的表达。
担当语境是一般过去时的时候,就是你们老师说的那种情况了【字数有限~】