2、“虽然，尽管”相当于although，引(yǐn)导让步状语从(cóng)句(常把while放(fàng)在句首(shǒu))。

　　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(yào)，如果(guǒ)”等于as long as，引导(dǎo)条件状语(yǔ)从(cóng)句。

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

while的(de)前后时态口诀

　　while的瞎(xiā)棚前后时态口蚂世诀(jué)：当while表示同时的时候，主句和(hé)从(cóng)句的时态是一(yī)致的，既可(kě)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(guò)去同时发生或(huò)者现在(zài)正在同时发生(shēng)某事。

　　1、“当……时候”，引导时间(jiān)状语从句(jù)(从(cóng)句动作(zuò)必须是延续(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(yǐn)导让步状语从(cóng)句(常把while放(fàng)在(zài)句首(shǒu)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，引导条件状(zhuàng)语从句。

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

未经允许不得转载：橘子百科-橘子都知道 概率分布函数右连续怎么理解，什么叫分布函数的右连续