whynot的用法是什么,why的句式_Why not和 Why don't的区别主要句型意思用法_组词网

一、why能引导下列几种从句: 1. 主语从句 Why he took Chinese nationality in 1901 is a question that interests us. 他为什么在1901年取得中国国籍,这是一个使我们很感兴趣的题目。 2. 宾语从句 He asked her why she was doing that.他问她为什么要那样做。 3. 表语从句 That's why I've come to see you. 这就是我来见你的原因。 这里的why在意义和语法上相当于the reason why。假如把此句改写为:That's the reason why I've come to see you.有些语法书上视为同位语从句,但笔者附和是限制性定语从句,由于why在此句中是个干系副词,而不是像同位语从句中那样是连词。再如: Could you tell me the reason why she refused to go to college?你可否告诉我为什么她不乐意上大学吗? 4. 状语从句 No matter why she became angry with you, you should apologize to her.不管她为什么对你气愤,你也应当向她致歉。 二、why作疑问词时,可以用来向对方问及原因,可以用Why?或Why not?二者都是省略句。分述如下: 1. “Why?”用来针对肯定的内容发问。比方: A:What are you going to do tomorrow? B:Nothing much. Why?(=Why do you ask me that?) 2. Why not?用来针对否认的内容发问,用在下列几种环境中: ①对一般疑问句的否认回答进一步询问原因时。比方: A:Do you often go to school by bike? B:No, I don't. A:Why not?(=Why don't you go to school by bike?) ②对反意疑问句的否认回答进一步询问原因时。比方: A:You haven't finished your homework, have you? B: No, I haven't. A: Why not?(=Why haven't you finished it?) ③ 对否认陈述句询问原因时。比方: A:I can't finish this work in two days. B:Why not?(=Why can't you finish it in two days?) ④对表现建议、提议的答复时,形式上是否认,实际上是一种夸大肯定的语气。比方: A:Could you come with me? B:Why not?(=I can go with you.) 三、why除了用作疑问句之外,还可以用作引导词(又称感叹句)放在句首或句中作插入语,表现惊奇等各种各样的感情,不译为“为什么”,凭据上下文它可以有“哟,啊呀,哎呀,嗨,噢,呃,啊唷”等差别译法。例如: ①“....” “Next Friday? Why, what's happening?”“……。”“下星期五?啊,有什么事吗?” ②Why! I thou......余下全文>>

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