4．条件状语从句
1）if (如果),unless（除非）; unless相当于if not.
如：I will buy a computer if I am able to save up enough money. 如果我能存下足够的钱，我就买台电脑。
Unless the weather was bad, my father always used to take a walk in the evening.除非天气不好，我的父亲晚上总是去散步。
2）suppose/supposing that, provided/providing that(假如)
如：Supposing that it rains, can we play the match indoors?要是下雨，我们在室内比赛行吗？
Ｉwill agree to go provided that my expenses are paid.假如为我负担费用，我就同意去。
5．让步状语从句
although, though引导让步状语从句，主句不能用 “but”.
如：Although they lack official support, they continue their struggle.他们虽然没有得到官方的支持，但仍然继续奋斗。
as虽然，尽管。引导让步状语，常放在作表语、状语的形容词、名词、副词后面。
如：Strong as you may be, you can not lift it. 尽管你可能很有力气，你却无法把他提起来。
Hard as he tried, he was unable to make much progress.他虽然竭尽全力，但是没有取得多大的进步。
6．目的状语从句
so that, in order that . 引导目的状语从句,从句的谓语常用can, could, may, might, shall, should, will, would等情态动词。in order that可以位于主句的前面或后面。so that引导的从句只能放在主句之后。
如：They started early so that they might arrive in time.他们早点动身，以便准时到达。
In order that they could go around West Lake, they stopped at Hangzhou.为了游览西湖，他们在杭州停了下来。
7．结果状语从句
1)so …that; such…that表示“如此……以至于”
so 后面通常接形容词或副词。such后面通常为名词。如果名词前有many, much, 等修饰，要用so…that.
such+a/an+adj+单数名词+that可以换成so+adj.+a/an+单数名词+that
如：There is so little time left that I have to tell you about it later.现在剩下的时间不多了，我只只好以后再给你讲这事。
He told us such a funny story that we all laughed.
He told us so funny a story that we all laughed.
2003年第17小题：
It was ____that a hundred people looked lost in it .
A so a large room B a so large room C such a large room D such large a room
2) so that“以至于，所以”。引导的结果状语从句之前可以有逗号。
如：She phoned me on arrival so that I knew she was safe and sound.她到达之后给我打了电话，我知道她平安无恙。
注：so that可以引导结果状语从句也可以引导目的状语从句，除了根据句意来判断外，还可以根据结构形式来判断。若从句前有逗号，一般为结果状语从句。如果从句中有情态动词，一般则为目的状语从句。
如：They started out early, so that they did not miss the train.他们早早出发了，所以没有误了火车。（结果状语）
They started out early so that they would not miss the train.他们早早出发是为了不误火车。（目的状语）
8．方式状语从句
1）as(正如)引导方式状语从句
如：She enjoys all kinds of music, as I do.她各种音乐都喜爱，和我一样。
Why didn’t you catch the last bus as I told you to?你怎么不听我的话赶乘末班公共汽车呢？
注：口语中like可以用作连词，当作as 使用。
如：Nobody understands him like /as I do. 没有人能像我这样理解他。
2)as if/though（好像）引导方式状语从句往往用虚拟，表示与事实相反。
如：They looked at me as if /as though I were mad.他们看着我好像我发疯了似的。
9．比较状语从句(在比较级结构中讲过)
第二部分 巩固练习
将简单句合并成目的状语从句：
1．I turned on the TV. I wanted to listen to the news.
I turned on the TV so that I could listen to the new.
2. I am going to leave the party early. I want to be able to get a good night’s sleep.
I am going to leave the party early so that I can get a good night’s sleep.
用so …that; such…that 合并句子
3．This tea is good. I think I’ll have another cup.
This tea is so good that I will have another cup.
This is such good tea that I will have another cup.
4. The car was expensive. We couldn’t afford to buy it.
The car was so expensive that we couldn’t afford to buy it.
It was so expensive a car that we couldn’t afford to buy it.
It was such an expensive car that we couldn’t afford to buy it.
第三部分：总结
本次课主要讲述了状语从句的用法，需要大家重点掌握引导各状语从句的连词的用法。
1.时间状语从句中when, as, while的用法
2.原因状语从句because , since, as, for的用法
3.so that引导结果状语从句和引导目的状语从句的用法
