1、“当……时(shí)候”，引导时间状(zhuàng)语从(cóng)句(jù)(从(cóng)句(jù)动作(zuò)必须是(shì)延续性的(de))。

　　Please don't talk so loud while others are working.

　　While I was cleaning the window，my finger was seriously cut。

　　2、“虽然，尽管”相当于although，引导让(ràng)步(bù)状语从句(jù)(常把while放在句首)。

　　While she is a top student， she has some shortcomings. While the Internet is bridging the distance between people， it may also be breaking some home or will cause other family problems。

　　3、“只要，如(rú)果”等于as long as，引导条件状语(yǔ)从句。

　　There is hope while there is life. While you study hard， your effort will pay off。

while的前后(hòu)时态口诀

　　while的瞎棚(péng)前(qián)后(hòu)时(shí)态口蚂世诀(jué)：当(dāng)while表示同时(shí)的时(shí)候，主句和从句的时态是一致的，既(jì)可以都(dōu)是(shì)一般现在时，又可以都(dōu)是(shì)一般过去时。

　　可以表示过去同时发生或者现在(zài)正(zhèng)在同(tóng)时(shí)发(fā)生某事。

　　1、“当(dāng)……时候”，引导时间状(zhuàng)语(yǔ)从句(jù)(从句动作必须是延续性的)。

　　Please don形容君子的成语有哪些，形容君子的成语有哪些词语t talk so loud while others are working.

　　While I was cleaning the window，my finger was seriously cut。

　　2、“虽然，尽管”相当于(yú)although，引导让步状语从句(jù)(常把while放(fàng)在句首磨物则)。

　　While she is a top student， she has some shortcomings. While the Internet is bridging the distance between people， it may also be breaking some home or will cause other family problems。

　　3、“只要，如果”等于as long as，引(yǐn)导条件状语从句。

　　There is 形容君子的成语有哪些，形容君子的成语有哪些词语hope while there is life. While you study hard， your effort will pay off。

未经允许不得转载：济宁舞蹈培训学校_济宁洋娃娃舞蹈学校_济宁洋娃娃舞蹈学校官网 形容君子的成语有哪些，形容君子的成语有哪些词语