从属连词

从属连词是用来连接各种从句的词

1、连接主语从句、表语从句与宾语从句的连词只有三个，即 that, if, whether。如：

Ask her if she will come with me.

The reason is that she never wasted her time.

I don’t know whether he had passed the exam.

2、引导状语从句的从属连词

(1、)连接时间状语从句的从属连词有：since, until, after, before, when, while, as soon as, whenever;

I’ll tell you as soon as I know.

(2、)连接地点状语从句的从属连词有: where, wherever;

Sit wherever you like.

I found my books where I had left them.

(3、)连接让步状语从句的从属连词有：although, though, even if, however;

Although she was tired, she kept on working.

(4、)连接原因状语从句的从属连词有：as, because, since, now that;

He was absent because he was ill.

(5、)连接目的状语从句的从属连词有：that, so that, in order that;

He raised his voice so that we could hear him.

(6、)连接条件状语从句的从属连词有：if, unless, once, in case.;

You’ll miss the train unless you hurry up.

(7、)连接结果状语从句的从属连词有：so…that, such…that;

He came so late that he missed the class.

(8、)连接比较状语从句的从属连词有： as…as…, not so…as…, less(more)…than, the …the…

This is more than I can accept.

(9、)连接方式状语从句的从属连词有：as, as if;

It looks as if it was going to rain.