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while的用法

作者:高考题库网
来源:https://www.bjmy2z.cn/gaokao
2021-02-28 22:51
tags:

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2021年2月28日发(作者:halloween是什么意思)


While


用法小结



一、


while


作名词用,表示



一会儿


”“


一段时间






likes



to



lie



down



for



a



while



after



lunch.


她喜欢午饭后躺一会儿。





to



another



country



to



study



requires



a



big



adjustment



and



it



takes



a



while



to



fit



in.


来到另一个国家求学,需要花一段时间来适应。



二、


While


作连词


(1 )


引导时间状语





must



strike



while



the



iron



is



hot.


趁热打铁。





she



was



listening



to



the



radio



she

< br>


fell



asleep.


她听着收音机睡着了。



(2)


引起让步状语从句,意思是



虽然

< p>


但是


….”




尽管



但是


…”(


多放于句



)< /p>



he



loves



his



students

< p>


he



is



very



strict



with



them..


虽然他爱他的学生,可是他对他们很严格。





these



experiments



are



interesting



and



useful



it



is



important



to



remember



that



they



may



not



always



tell



us



much.(BookIIIp125)


虽然这些实验很有趣 也有用,


但是很重要的是要记住,


这些实验也可能不会


告诉你很多。



(3)


引起条件状语,意思是



只要






there



is



life



there



is



hope.


只要生命存在,就有希望。





there



is



a



way



there



is



away.


有志者事竟成。



三、


While


作并列连词用,意思为



而,然而



,表对比 。而


but


表转折。注


意用心比较体会


while



but

< br>的句中用意





people



waste



food



while



others



haven't



enough.


有些人很费粮食,然而有些人却吃不饱。





son



was



having



a



good



meal



at



home



while



the



parents



were



working



in



the



fields.


儿子在家吃好饭而父母却在田里辛勤劳作。



3.I



ought



to



have



helped



her



but



I



never



could.


我本该帮她但没能。





is



sweet



but



the



bee



stings.


蜂蜜很甜,但蜜蜂有刺蜇人。




.while



when

< br>,


as


的用法区别


< p>
都译为




< p>
的时候



,区别为:


wh en


后的从句谓语动词既可是延续性动词,


也可是短暂性动词,


而且还可作并列连词,


译为



这时




但以下句型一 定用


when



作并列连词:



句型


A


< p>
be



about



to



do…when…


正要做



这时


(

< p>
发生另一事


)


句型


B< /p>



was/were


< br>doing…when…


正在



这时


(


发生另一事


)


句型


C



had



don


e…when…


刚 要做



这时


(


发生另一事


)




were



about



to



set



out



when



it



began



to



rain.


我们刚要出发天突然下雨了。





had



hardly



sat



down



when



his



mobile



rang.


他刚一坐下手机就响了。


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