while的前(qián)后时(shí)态口诀(jué)，while的前后(hòu)时态要一致吗

　　可以表(biǎo)示过去同时发生或者现在正在(zài)同时(shí)发生某事(shì)。

　　1、“当……时候”，引导时间状语(yǔ)从句(从句动(dòng)作(zuò)必须是延续性的)。

　　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(yǐn)导让步状语从句(常把while放(fàng)在(zài)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(zhǐ)要，如果”等于as long as，引导条件(jiàn)状语从句。

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

while的前(qián)后时态口诀

　　while的瞎(xiā)棚前后时态口蚂世诀：当while表(biǎo)示同时的时候，主句(jù)和从句的时(shí)态(tài)是一(yī)致的，既可以都是一般现在(zài)时，又可(kě)以(yǐ)都是一般过(guò)去时。

　　可(kě)以表示过去同时发生或(huò)者现(xiàn)在正在(zài)同(tóng)时(shí)发生(shēng)某事。

　　1、“当……时候”，引导时间状语(yǔ)从句(从句动作必(bì)须是延续性的)。

　　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(dāng)于(yú)although，引导让步状(zhuàng)语从句(jù)(常把while放(fàng)在(zài)句首磨物则(zé))。

　　While she is a top student， she has some shortcomings. While the Internet is bridging the distance between people， it may also be情人把你拉黑了还有必要联系吗，婚外情拉黑是彻底分手吗 breaking some home or will cause other family problems。

　　3、“只(zhǐ)要，如(rú)果”等于as long as，引导条(tiáo)件(jiàn)状语(yǔ)从句。

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

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