状语从句(1)

状语从句【状语】修饰动词、形容词、副词等的句子成分叫状语，常由副词、介词短语、非谓语、状语从句充当，说明动作发生的时间、地点、原因、条件、目的、方式、结果、程度等。

1.Fortunately(副词修饰主句), I found nothing stolen(主句) when I got home (状语从句) inthe evening(介短做状语说明got home的时间).2.Scolded by the teacher(非谓语做原因状语), he felt depressed. 受到老师责备，他很沮丧。

【状语从句】即一个简单句充当状语，常说明主句或主句的谓语发生的时间、地点、原因、条件、目的、方式、结果等。

【句子构成及位置】主句+ 状语从句( 从属连词+ 完整的简单句即从句)状语从句可放在句首或句末。

He knows much though he is young (让步状语). = As young he is, he knows much. (了解) 【分类】根据状语从句与主句所表达的逻辑关系，可分为时间状语从句、原因状语从句、1. While/When /As she was waiting for the train, she became impatient(不耐烦).2. When/After he comes, remember to call me.3. As time went on, he forgot the whole thing. (随着…)4. We were having a meeting when someone broke in (闯入).5. We were about to leave when it began to rain.6. I had hardly sat down when the phone rang. (一…就) 我一坐下，电话就响了。

注意：下列句子中的while为并列 连词，表对比关系，意为 “而”， “却”。 Their country has plenty of oil, while ours has none. =While their country has plenty of oil, ours has none.
引导词
意思
as
（正）当...时候；一边... 一边；随着 用法 强调从句动作和主句动 作同时发生; 从句与延续 性或非延续性动词连用。 从句位置 前置或后置
When/While/As I was cycling ① _______________ along, we saw a fox. (从句延续，主句非延续，同时发生) I hope you'll think of my words when/while/as ___________ you drive/are driving. (从句延续，主句非延续，同时发生) Just __________I was getting off when/as the bus, I saw an old woman falling over. (从句、主句非延续性，同时发生)
③ Call me when(=after) you _______ have finished (finish). （非延续，先后发生） stops/has stopped ④ When it _________________ (stop) raining, I'll show you the garden. （非延续，同时/先后发生） ⑤ Tom was disappointed that most of had left the guests ___________(leave) when he arrived at the party. （非延续，先后发生）

There were so many people in the street that we could hardly get through. 街道人太多，我们几乎过不去。
5、条件状语从句的引导词有if, if only（如果…… 就好了，但愿）, unless, in case, as/so long as, provided that, providing that, suppose that, supposing that, on condition that ， when。
(1)___the days went on, the weather got worse.
A. With
B. Since
C. While D. As
(2) ____the satellite launch drawing near，the research workers put their hearts to the test and always stayed up late.
状语从句
状语从句 （Adverbial Clause） 是指句子用作状 语，根据其作用可分为一下九种：
1. 时间状语从句 1) 引导词 （ 1 ） 表 示 “ 当 …… 时 候 ” ： when, while, as,
whenever When I went into the room, he was at work.当我进屋
Even if I have to walk all the way I’ll get there. 即使我 得一路走着去，我也要走到那里。
• as引导的让步状语从句的结构是：名词（形 容词、副词、动词）+ as +主谓。如：
Child as he was, he knew what was the right thing to do. 尽管是个孩子，他知道要做的正确的事情 是什么。

状语从句之高考真题精选（1）1. Because of the heavy traffic, it was already time for lunch break _________she got to her office.A. sinceB. thatC. whenD. until答案：C解析: 根据句意“因为交通堵塞，当她到达办公室时已经是午休的时间了”。

故此处应为when引导时间状语从句。

2. Nancy enjoyed herself so much _________she visited her friends in Sydney last year.A. thatB. whichC. whenD. where答案：C解析: 此题考查的是when引导的时间状语从句，句意为：当南希去年拜访悉尼的朋友时侯过得非常开心。

易错点：本题很容易让考生受思维定势的负面影响，见到so马上选择that，如果选A，则句意为：南希玩得如此开心以至于拜访了悉尼的几个朋友。

显然，意思不合逻辑。

3. You c an’t borrow books from the school library _________you get your student card.A. beforeB. ifC. whileD. as答案：A解析: 根据句意“在你取得学生卡之前，你不能从学校图书馆借书”。

故此处应为before引导时间状语从句。

4. John thinks it wo n’t be long _________ he is ready for his new job.A. whenB. afterC. beforeD. since答案：C解析: 根据句意“约翰认为过不了多久他就会为他的新工作做好准备”。

根据固定句型“it won’t be+时间段+before 从句”意为：过不了多久就......，故选C。

5. As is reported, it is 100 years _________ Qinghua University was founded.A. whenB. beforeC. afterD. since答案：C解析: 根据固定句式“it has been/is +一段时间since从句…”，意为：自从…以来已经多长时间了。