考研英语语法重点之状语从句 (上)

语法是考研英语的基础，基础语法体系一定要弄懂，特别强调的是重点语法要熟练掌握。考研英语语法重点之状语从句 (上)，我们一起来学习下：

一、状语从句的本质。就是用一个句子来作另外一个句子的状语。

状语从句的分类：时间状语、地点状语、原因状语、结果状语、目的状语、条件状语、让步状语、比较状语、方式状语。

2005年例句

Strangely, some people find that they can smell one type of flower but not another, ____ others are sensitive to the smells of both flowers.

A. when B. since C. for D. whereas

难点：

1.When

常考的句型：Hardly…when; when it comes that; when it comes to ;1991年例句：

____to speak when the audience interrupted him.

A. Hardly had he begun B. No sooner hardly had he begun

C. Not until he begin D. Scarcely had he begin

1998年例句：

Doing your homework is a sure way to improve your test scores, and this is especially true ________ it comes to classroom tests.

A. before B. as C since D. when

2.地点状语从句

Where 引导地点状语一般总是放在主句的后面。例如：

A driver should slower down where there are schools.

3.原因状语从句

Since从……起;因为……

比较特殊的连词：in that因为的意思。例句：The girl is like her mother in that she also has very delicate feeling.

Now that…因为;given that…

1. 目的状语从句

lest… 唯恐，害怕;for fear当心，害怕引导的是虚拟语气。谓语是should +动词原形。should常省略。

2. 结果状语从句

有两种引导法so…that; so that; such…that; such that

2001年例句：Conversation becomes weaker in a society that spends so much time listening and being talked to ________ it has all but lost the will and the skill to speak for itself.

A. as B. which C. that D. what

把so…that; so that; such…that; such that中的so或such放在句首形成倒装句。例如：

So fast does light travel that it is difficult for us to imagine it’s speed.

to the extent (that)表示结果

to some extent 表示在……之内。在某种程度上

3. 条件状语从句

用unless; if 引导

难点：only if ; if only

only if是“只有”的意思; if only是“只要”意思。2000年例句：

He can continue to support himself and his family ____ he produces a surplus.

A. only if B. much as C .long before D. ever since

要记住：supposing (that)…;provided (that)…;on condition that…

例如：He will surely finished job on time ____he has left to do it in his own way.

A.in that B.in case C.as far as D.so long as