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职称英语备考:地点状语从句精讲

2014-10-09 17:22   类别:语法   来源:   责编:Dong


1.地点状语从句考点聚焦

where, wherever

Make a mark wherever you have any questions.

We will go where the Party directs us.

2、目的状语从句:that, so that, in order that

注意:目的状语从句的谓语动词常与情态动词连用,否则可能是结果状语从句。不可置于句首。

3、结果状语从句:that, so that, so … that, such … that …

注意:so + 形容词/副词 + that从句;such + 名词 + that从句。

4、方式状语从句:as, as if(though)

I’ll do as I am told to.

It looks as if it is going to rain.

5、比较状语从句:than, as

6、条件状语从句:if, unless, so (as) long as, in case, once, a far as, on condition that.

注意if与unless的区别:不能用and连接两个unless从句,即不能有… unless …,and unless … 。但if … not and if … not却不受此限。

You won’t lose your weight unless you eat less and unless you exercise more.(×)

但可以说 … unless you eat less and exercise more.

7、注意状语从句中从句的省略现象

(1)连接词 + 过去分词

Don’t speak until spoken to.

Pressure can be incrased when needed.

Unless repaired, the washing machine is no use.

(2)连词 + 现在分词

Look out while crossing the street.

(3)连词 + 形容词/其他

常见的有it necessary、if possible、when necessary、if any等。

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