初中英语语法状语从句讲解及练习附答案.docx

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初中英语语法状语从句讲解及练习附答案

知识梳理：提纲挈领，抓住重点和难点！各类状语从句连接词（短语）一览表：

时间when, while, as, as soon as, since, until, after,before，as long as（长达……之久）

条件If, unless,as/so long as(只要)

原因As, because, since，as/so long as(既然,因为)地点Where

目的So that(为了), in order that

结果So that（方便）, so…that, such…that让步though, although, even if, however方式As

比较than, (not)as…as,

时间状语从句：Whenever he comes, he brings a friend、他每次来都带个朋友。They all continued their regard forme as long as they lived、他们毕生都在关心着我、

条件状语从句：

As long as I am alive, I will go on studying、只要我活着，我就要学习。

原因状语从句：

Since we live near the sea, we enjoy nice weather、由于我们住在海边，能享受到好的天气。

地点状语从句：

Put it where we can all see it、把它放在我们都能看到的位置。

目的状语从句：

Finish this so that you can start another、把这个做完，（为了）你可以开始另一个。

结果状语从句：

He was so angry that he couldnt say a word、他气得说不出话了。

让步状语从句：

Though he is in poor health, he works hard、虽然他身体不好，但是他工作很努力。

方式状语从句：

Students do as the teachers say、学生们按照老师说的去做。

比较状语从句：

The work isnt as easy as I thought、这项工作比我想象得难。

例题解析：举一反三，学的更轻松！

1、易混引导词while, when, as的区别：

when可以和延续性动词连用，也可以和短暂性动词连用；而while和as只能和延续性动词连用。如：

Whenhecamein,hismotherwascooking、When(While)wewereatschool,wewenttothelibraryeveryday、

when从句的谓语动词可以在主句谓语动作之前、之后或同时发生；while和as从句的谓语动作必须是和主句谓语动作同时发生。

While表示时间段,因此，while从句的谓语动词要用延续性动词。如：

Pleasedonttalksoloudwhileothersareworking、As与when用法相似，但着重强调主句动作与从句动作同时发

生，有随着……或一边……一边……之意。如：As you getolder, you get more knowledge、随着年龄的增长，你获得的知识就越多。在将来时从句中，常用when，且从句须用一般时代替将来时。①You shall borrow the book when I have finishedreading it、在我读完这本书后，你可以借阅。②When themanager comes here for a visit next week，Ill talk withhim about this、下周，经理来这参观时，我会和他谈谈此事。when用于表示“一……就……”的句型中（指过去的事情）。sb、had hardly（＝scarcely）done sth、when、、、＝Hardly

／Scarcely had sb、done sth、when、、、①I had hardly ／

scarcely closed my eyes when someone knocked at the

door、＝Hardly／Scarcely had I closed my eyes whensomeone knocked at the door、我刚一闭上眼，就有人在敲门了。②I had hardly ／scarcely ent