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arctan1怎么算出来的,arctan1怎么算?

arctan1怎么算出来的,arctan1怎么算? while的前后时态口诀,while的前后时态要一致吗

  while的前后(hòu)时态口诀,while的前后时态要一致吗是当while表(biǎo)示同(tóng)时的时(shí)候(hòu),主(zhǔ)句和从句的时态是一致的,既(jì)可以(yǐ)都(dōu)是一般(bān)现在时(shí),又可以(yǐ)都(dōu)是一般过去时的。

  关(guān)于while的前后时态口诀,while的前后(hòu)时态(tài)要一致吗以及while的(de)前后时态口诀,while的前(qián)后时态可以用现在进行时吗,while的前后时(shí)态要一致吗,while的前后时态用法,while的前(qián)后时(shí)态顺(shùn)口溜等问题,小编将为你整(zhěng)理以下知(zhī)识(shí):

while的前后时(shí)态口诀,while的前后时态要一致(zhì)吗

  当while表示同时(shí)的时(shí)候,主句(jù)和从句的(de)时态是(shì)一致的,既(jì)可以都是(shì)一般现在时,又可以都是一般过去时。

  可以(yǐ)表(biǎo)示过去同时(shí)发(fā)生或者现在正在同时(shí)发arctan1怎么算出来的,arctan1怎么算?(fā)生某事。

while的具体用(yòng)法(fǎ)arctan1怎么算出来的,arctan1怎么算?

  1、“当……时候”,引导时间状语从(cóng)句(从(cóng)句动作必须(xū)是延续(xù)性的)。

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

  While I was cleaning the warctan1怎么算出来的,arctan1怎么算?indow,my finger was seriously cut。

  2、“虽然,尽(jǐn)管”相当(dāng)于although,引导让步状语从句(常把while放在(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(yào),如果”等(děng)于(yú)as long as,引导(dǎo)条件(jiàn)状语从句。

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

while的前后(hòu)时(shí)态(tài)口诀

  while的瞎棚前后(hòu)时态口蚂世诀:当while表示同时的时候,主句和从句的(de)时(shí)态是一致(zhì)的,既可以都(dōu)是一般现在时,又可(kě)以都是(shì)一般过去时。

  可以(yǐ)表(biǎo)示过(guò)去同时发生或(huò)者现在正在同时发生(shēng)某事。

  1、“当(dāng)……时(shí)候”,引导时(shí)间(jiān)状语从(cóng)句(从句动(dòng)作(zuò)必须是(shì)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(guǎn)”相(xiāng)当(dāng)于although,引导让步(bù)状语从句(常把(bǎ)while放(fàng)在句首磨(mó)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(jiàn)状语从句。

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

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