陕西专升本英语语法重难点之状语从句（陕西专升本英语答题技巧）

一、时间状语从句

表示时间的状语从句可由when, as, while, whenever, after, before, till (until), since, once, as soon as (或the moment ), by the time, no soonerwhen, every time 等引导。

When I came into the office, the teachers were having a meeting.He started as soon as he received the news.Once you see him, you will never forget him.No sooner had I gone to bed than I went to sleep. than, hardly (scarcely)

二、原因状语从句

原因状语从句是表示原因或理由的，引导这类从句的最常用的连词是because, since, as ， now that（既然）等，for 表示因果关系时（它引导的不是从句）为并列连词，语气不如 because 强。

He is disappointed because he didn't get the position.As it is raining, I will not go out.Now that you mention it, I do remember.

三、地点状语从句

引导地点状语从句的连词是 where 和 wherever 等。

Sit wherever you like.Make a mark where you have a question.

四、目的状语从句

引导目的状语从句最常用的词（组）是 so, so that（从句谓语常有情态动词）,in order that, in case（以防，以免）等。

Speak clearly, so that they may understand you.She has bought the book in order that she could follow the TV lessons.He left early in case he should miss the train.

五、结果状语从句

结果状语从句是表示事态结果的从句，通常主句是原因，从句是结果。

由 so that（从句谓语一般没有情态动词）, sothat, suchShe was ill, so that she didn’t attend the meeting.He was so excited that he could not say a word.She is such a good teacher that everyone admires her. that 等引导。

六、条件状语从句

条件状语从句分真实性（有可能实现的事情）与非真实性（条件与事实相反或者在说话者看来不大可能实现的事情）条件句。

引导条件状语从句的词（组）主要有 if, unless, so (as) long as, on condition that, so (as) far as, if only ( = if )。注意：条件从句中的 if 不能用 whether 替换。

If he is not in the office, he must be out for lunch.You may borrow the book so long as you keep it clean.So far as I know（据我所知）, he will be away for three months.If he had come a few minutes earlier, he could have seen her.

七、让步状语从句

让步状语从句可由although, though, as, even if (though), however, whatever, whethermatter who (when, what装的。

注意：as 引导的让步状语从句一般是倒or, no Child as he is, he knows a lot.Whatever ( = No matter what ) you say, I’ll never change my mind.

八、方式状语从句

方式状语从句常由 as, as if (though), the way, rather than 等引导。

You must do the exercise as I show you.He acted as if nothing had happened.

九、比较状语从句

as, the more比较状语从句常用 than, so (as)I have made a lot more mistakes than you have.He smokes cigarettes as expensive as he can afford.The busier he is, the happier he feels.