引导状语从句的从属连词都有哪些???

如题所述

引导状语从句的引导词语有时间状语从句:when,while,as,before,after,till(或untill),since地点状语从句:where原因状语从句:because,since,as,for目的状语从句:so that,in order that,least,in case方式状语从句:as,as(if)though结果状语从句:so(such)...that...,so that条件状语从句:if,unless,in case,as long as让步状语从句:although,though,,as
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第1个回答  2013-11-11
■when 的用法。表示“当……时候”。如:  The house shook when the trains went by. 火车经过时房子会震动。  When she saw this,she turned red. 她看到这时脸红了。  I played football every day when I was a boy. 我小时候天天踢足球。  ■while 的用法。表示“当……时候”。如:  I’ll take care of him while you are away. 你不在时我照顾他。  I met Diana while I Was shopping this morning. 我今早买东西时碰到了戴安娜。  While I was waiting for the bus I dropped my purse. 我等公共汽车时把钱包丢了。  注意:while 所引导的时间状语从句中谓语动词必须是持续性的,不能是短暂性的。  ■as 的用法。表示“当……时候”。如:  He dropped the glass as he stood up. 他站起来时,把杯子摔了。  The phone rang just as I was leaving. 我正要离开,电话铃就响了起来。  ■before 的用法。表示“在……之前”。如:  I hadn’t waited long before she came. 我没等多久她就来了。  It was a long time before I got to sleep again. 好久我才又睡着。  I must finish this letter before I go home. 我必须在回家以前写完这封信。  ■after 的用法。表示“在之后”:  She left after they arrived. 她在他们到达后走了。  I told them after you (had) left. 你走后我把这事告诉了他们。  ■until / till 的用法。表示“直到…”:  He waited till [until] I returned. 他一直等到我回来。  Walk till [until] you come to a white house. 走下去,一直走到一座白房子为止。  这类句型的主句动词通常只能是延续性动词,不能是终止性动词。但在否定句中,则主句动词可以是终止性动词,此时构成not…until [till]…句式,意为“直到……才”。如:  He didn’t leave until [till] I came. 直到我来他才走(来自 www.zkenglish.com)。  You cannot leave until your work is finished. 在你的工作没完成以前你不能离开。  在否定句中,主句谓语为延续性动词和终止性动词均可,注意含义不同:  He didn’t leave until I came. 直到我来他才走。  He didn’t wait until I came. 他没有等到我来(即在我来之前就走了)。  ■since 的用法。表示“自从…”:  We have known each other since we were children. 我们从小就(相互)认识。  I haven’t heard from him since he left. 他走之后我还没接到过他的信。  这类句子的主句通常用现在完成时。  ■as soon as 的用法。表示“一…就…”:  Tell him as soon as he arrives. 他一到就告诉他。  I shall ring you up as soon as I arrive. 我一到就给你打电话。  I抣l let you know as soon as I hear from her. 我一接到她的信就通知你。  表示“一…就…”这一意思,除用as soon as外,还可用the moment, the minute等:  I want to see him the minute [=as soon as] he arrives. 他一到达我就要见他。
第2个回答  2013-11-11
where when who
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