可以表示过去同时发生或(huò)者现在正在同时发(fā)生(shēng)某事。

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

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

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

　　2、“虽然(rán)，尽管”相当于although，引导让(ràng)步状语从(cóng)句(常(cháng)把(bǎ)while放在句(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(zhǐ)要(yào)，如(rú)果”等于(yú)as long as，引导条(tiáo)件状(zhuàng)语(yǔ)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(kǒu)诀

　　while的瞎棚前后时态口蚂世诀：当while表示同时的时候，主(zhǔ)句和从句(jù)的概率分布函数右连续怎么理解，什么叫分布函数的右连续时态是一致的，既可以都是一(yī)般(bān)现(xiàn)在时，又可(kě)以都是一般过去时(shí)。

　　可以表(biǎo)示过去同时发生或者现在正在(zài)同(tóng)时发生某(mǒu)事。

　　1、“当(dāng)……时候”，引导(dǎo)时间状语从句(从(cóng)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(guǎn)”相(xiāng)当于although，引导(dǎo)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 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，引导条件状语从句(jù)。

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

未经允许不得转载：惠安汇通石材有限公司 概率分布函数右连续怎么理解，什么叫分布函数的右连续