Make a mark wherever you have any questions.
We will go where the Party directs us.
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.
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.
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.
比较状语从句:than, as
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.
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.