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

　　2、“虽然(rán)，尽管(guǎn)”相(xiāng)当于although，引导让步(bù)状语从句(常把while放在(zài)句(jù)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，如果(guǒ)”等于(yú)as long as，引(yǐn)导条件状语从句。

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

while的前后时态口诀

　　while的瞎棚前后时态(tài)口蚂世(shì)诀：当while表示同时的时候，主句和从句的时态是一致的，既可以都(dōu)是一般现在时，又可以(yǐ)都是一般过去时(shí)。

　　可以表示过去同时发生或者(zhě)现在正在同时发生某(mǒu)事(shì)。

　　1、“当……时候”，引(yǐn)导时(shí)间状语(yǔ)从句(从句动作必须(xū)是延续(xù)性的)。

　　Please dont 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，引导让步状(zhuàng)语从句(常把while放在句首磨物则)。

　　While she is a top student， she has some s2018年中秋节是几月几号，2018年中秋节是哪一天阳历hortcomings. 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(yào)，如果”等(děng)于(yú)as long as，引(yǐn)导(dǎo)条件状语从句。

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

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