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状语从句一、状语从句的定义状语从句（Adverbial Clause）是指句子用作状语时，起副词作用的句子。
状语从句可以修饰谓语、非谓语动词、定语、状语或整个句子。
状语从句根据其作用可分为：时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。
状语从句一般由连词（从属连词）引导，也可以由词组引起。
从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。
二、状语从句常用引导词1. 时间状语从句as /while /whe n /un til /once /since / before; whe never, he first/last time,every/each time等。
2. 地点状语从句3. 原因状语从句4. 条件状语从句5. 目的状语从句6. 结果状语从句7. 方式状语从句where/wherever 等。
because/as/si nce/fo 等。
if/unl ess/as long as 等。
so that/i n order that/i n case等。
so...that/such...that/so tha等。
as/as if(though)等。
than/as …as/the more …the 等ore9. 让步状语从句although/no matter+.../eve n if/ whatever/ as尽管）等。
三、状语从句分析1. 时间状语从句(1) 时间状语从句常用when, as, while, before, after, since, till, until, as soon as 等连词来引导。
例如：It was raining hard ( rain hard 下大雨) when got to school yesterday.While he was doing his homework, the teleph one rang.As he walked along (沿着走)the lake, he sang happily.(2) 在时间状语从句里，通常不用将来时态，用现在时态表示将来的动作或状态。
初中英语状语从句专项语法习题I. 填入适当的引导词1. I haven't heard from him _____ he went to America.2. He won't be here _____ he is invited.3. He will not go to the cinema _____ he is very busy.4. We found the key _____ she lad left it.5. We found the books two days ____ he had gone away.6. We had no sooner got to the station _____ the train left.7. He speaks English ______ he were an Englishman.8. He is explaining clearly _______ they could understand.9. Do not leave the room _____ you have finished the test.10. She sang ______ she went along.II. 改错1. The children were running on the playground as fast as they can.2. Since her husband had died，so she had to support her family.3. He won't go out until his mother will come.4. He was very foolish that he didn't pass such an easy exam.5. Tom had gone out as soon as his mother got home.6. It was three months since he came to our school.7. The playground of our school is larger than their school.8. The streets in Nanjing are wider than Shanghai.9. Whatever there is plenty of sun and rain，the fields are green.10. She sings songs as if she is a bird.III. 找出从句并指出是那类从句1. It depends on whether we have enough time.2. The question he asked was where the electrical equipment should be stored.3. The mountain is no longer what it used to be.4. The fact that she works hard is well known to us all.5. He was not the man that he was before.6. Now you was free，why not go swimming with us？7. Where there are schools and colleges，there are examinations.8. Bad habits，once firmed，are difficult to give up.9. She often wears the same kind of skirt as her twin sister does.10. The moment he opened the window，a bird flew in.IV. 填入适当的引导词完成句子1. ____ will do the experiment comes to the professor's office.2. ___ will do the experiment hasn't been decided.3. The teacher didn't leave ______ twelve o'clock.4. ______ the day went on，the weather got worse.5. _____ she is young，she knows quite a lot.6. It worried her a bit ____ her hair was turning grey.7. You will be late ____ you leave immediately.8. Go and get your coat. It's ______ you left it.9. ______ is mentioned above，the number of the students in senior high schools is increasing.10. ____ had I entered the room ____ the phone rang.V. 改错1. Is this the watch for which he is looking now？2. This is all which I can do for you.3. Do you know the old man at the back of the room，whom has been chosen head of the factory.4. I want to know the way which you learn new words.5. Can you tell me that there's a bookstore near here？6. Our school quite different from that it was before.7. If she likes the present is not clear to me.8. For she is ill，she hasn't come to school.9. It gave him so a big shock that his face turned pale.10. He is cleverer than any boy in his class.--------------------------------------------------------------------------------参考答案：I、1. since2. unless3. because4. where5. after6. than7. as if8. so that 9. before10. asII、1. can 改为could 2. 去掉so 3. will come改为comes 4. very改为so 5. as soon as 改为when 6. was 改为is 7. than 之后加上that of 8. than 后加those in 9. whatever改为wherever 10. is改为wereIII、1. whether we have enough time 介词宾语从句2. he asked 定语从句where the electrical equipment should be stored表语从句3. what it used to be 表语从句4. that she works hard 同位语从句5. that he was before 定语从句6. Now you was free 让步状语从句now= now that7. Where there are schools and colleges 地点状语从句8. once firmed 时间状语从句9. as her twin sister does 定语从句10. The moment he opened the window 时间状语从句IV、1. Whoever 2. Who 3. until 4. As 5. Although 6. that 7. unless 8. where 9. As 10. Hardly，when （No sooner，than ）V、1. for 放在looking 之后 2. which 改为that 3. whom 改为who 4. which改为how 5. that改为whether 6. that 改为what 7. If改为Whether 8. For改为Because 9. so改为such 10.any 后加other。
1．常用引导词：if（如果），unless（除非）。
I won’t go to the movies unless I am free tomorrow.除非我明天有空，否则我不会去看电影。
2．条件状语从句的位置可放在句首或句尾，放在句首时常用逗号与主句隔开。
it rains tomorrow, I will stay at home.= I will stay at home if it rains tomorrow.如果明天下雨我就呆在家里。
3．if引导词用法if引导的条件句有：真实条件句和非真实条件句两种。
真实条件句：表示在某种条件下某事很可能发生。
you ask him, he will help you.如果你请他帮忙，他会帮你的。
4．unless引导词用法固定搭配：unless=if...not 除非，若不，如果不will fail to arrive there in time unless youstart earlier.=If you don’t start earlier, you will fail toarrive there in time.如果你不早点动身，你就不能及时赶到那儿。
注意：在含有条件状语从句的复合句中，当主句是一般将来时态，从句要用一般现在时（即主将从现原则）。
如果主句是祈使句或含有情态动词时，从句也用一般现在时表将来。
you study hard, you will pass the exam.1. I will send you an e-mail as soon as I ____ A___ in Canada.A. arriveB. arrivedC. am arrivi ngD. will arrive2. If there ____A___ no buying and selling of an imals, there ______ no killing in nature.A. is; will beB. will be; will beC. is; isD. will be; is3. I’m waiting for my , I'll go shopping alone.A. If she comesB. If she won't comeC. If she doesn't come5. You can’t watch TV ___A_____ you finish your homework.A. unlessB. ifC. whileD. asstudents _____A___ have a sports meeting this weekend if it ___.A. won’t; rainsB. will; rainsC. won’t; will rainD. are going to; is go ing to rain9. I don't know if she ____B___ to my birthday party tomorrow. If she ______, I'll be very hap py.A. comes; comesB. will come; comesC. comes; will come10. —When will you come to Daqing? —I wil l call you ___D__I arrive.A. tillB. whileC. as quickly asD. as soon as11. I’ll give it to Jim as soon as I ___C____ him to morrow.A. sawB. will seeC. seeD. have seen。
高中英语语法状语从句专项练习题 50题。
(有答案)1.We need to hurry because it is getting dark.2.I couldn't do it until you explained how.3.Unless he comes。
we won't be able to go.4.I XXX I XXX class.5.Every time I catch a cold。
I have pain in my back.6.XXX?7.Bring it nearer so that I may see it better.8.You may arrive in Beijing early if you don't mind taking the night train.9.XXX XXX.10.More people will eat out in restaurants than they do today.19.The house stood where there had been a rock.20.Small as it is。
the pen is a most XXX.21.After the new technique was introduced。
XXX in 1988 as the year before.22.The piano in the other shop will be cheaper。
but not as good.23.John plays football as well as。
if not better than。
David.24.When you read the book。
you'd better make a mark where you have any ns.25.As the day went on。
状语从句练习题及答案状语从句练习题及答案状语从句是英语语法中的一个重要概念，它可以用来修饰主句中的动词、形容词或副词，起到进一步描述、解释或限制的作用。
熟练掌握状语从句的用法对于提高英语写作和阅读理解能力至关重要。
下面将给出一些状语从句的练习题及答案，帮助大家加深对这一知识点的理解。
练习题一：1. I will call you _______ I arrive at the airport.2. _______ you work hard, you will never succeed.3. She was so tired _______ she fell asleep during the movie.4. _______ it rains tomorrow, we will have to cancel the picnic.5. He couldn't find his keys _______ he searched the entire house.答案一：1. when2. Unless3. that4. If5. no matter how练习题二：1. _______ you finish your homework, you can go out to play.2. I will go to the party _______ I get an invitation.3. _______ you study hard, you will pass the exam.4. _______ it snows, we will build a snowman.5. She always cries _______ she watches sad movies.答案二：1. Once2. if3. If4. If5. whenever练习题三：1. _______ she is busy, she always finds time to exercise.2. _______ you eat too much, you will gain weight.3. _______ he is tired, he will keep working.4. _______ you don't hurry, you will miss the train.5. _______ she called, I was already asleep.答案三：1. Although2. If3. Even if4. Unless5. When练习题四：1. _______ I go, I always take my camera with me.2. _______ you don't study, you won't pass the test.3. _______ it is cold, I will go for a run.4. _______ she likes him, she never shows it.5. _______ you don't like it, you don't have to eat it.答案四：1. Wherever2. If3. Even if4. Although5. If通过以上练习题，我们可以看到状语从句的用法有很多种，包括时间、条件、原因、方式等等。
一、时间状语从句1、当我进屋时，他正在写信。
2、我们什么时间有空，我们就去那里。
3、我正在街上走着，这时忽然有人从后面拍我的肩膀。
4、天下雨的时候，他们出去了。
5、他不在的时候我在。
6、他赶快回家，不时地一边走一边向后看。
7、先做学生，再做先生。
8、比赛开始后，他到了。
9、我们一直等到他回来。
10、她到11点钟才停止工作。
11、她站在那里看着，直到看不见他的身影。
12、自从1978年以来中国发生了巨大的变化。
13、我一到上海就给你写信。
14、我刚一到家，就下雨了。
15、我们刚到车站，火车就走了。
16、我们刚开始就被叫停。
17、我每次乘船都晕船。
18、我一听到这首歌，就感到很愉快。
19、下次你来的时候，就会见到他。
二、地点状语从句1、有志者，事竟成。
2、哪里有水，哪里就有生命。
3、你可以随意到你喜欢的任何地方去。
4、无论你去哪都要遵守法律。
三、原因状语从句1、昨天我回来晚了，因为我值班。
2、既然大家都到了，我们开始开会。
3、由于他英语懂得不多，他在字典中查阅这个单词。
4、鉴于天气已经晴朗，我们可以启程了。
5、鉴于他病情严重，我们派人去请医生去了。
四、目的状语从句1、我要把你的电话号码记下来，以免忘记。
2、我把真实情况告诉你，使你能自己作出判断。
3、他们比往常更加努力工作，为了能提前完成工作。
4、多穿点衣服，以免患感冒。
五、结果状语从句1、我们把收音机的音量放大，大家都听到了新闻。
2、他十分激动，以致一句话都说不出来。
3、他说出了这么重要的理由，得到大家的谅解。
4、这是一本十分有意思的书，大家都想看。
六、条件状语从句1、如果我们不怕困难，困难就算不了什么了。
2、除非下雨，我们明天就去那里。
3、只要你努力工作，你就一定能成功。
4、万一我忘了，请提醒我一下。
5、据我所知，那本书下月出版。
七、方式状语从句1、按照我教你的画一只猫。
2、按照人家告诉你做的去做。
3、看上去她好象是生病了。
4、他的行动就好象什么也没有发生。
状语从句什么是状：句子中修、形容等的句子成分叫状，用来从地点、、原因、目的、果、条件、步、比、方式和陪同情况等方面修明。
e.g. He speaks English very well（.副作状）e.g. He is playing under the tree（.介短作状）e.g. I come specially to see you（.不定式作状）e.g. If I am not busy tomorrow,I will play football with you.（从句作状）e.g. Having had a quarrel with his wife,he left home in a bad temper（.分作状）状从句：状从句就是在复合句里起状作用的从句，能够表示、地点、原因、目的、果、步、比、方式、条件等。
引状从句的叫做隶属。
状从句的位置能够在句首，也能够在句末。
放在句首，从句后边常用逗号与主句分开；放在句末，从句前面常常不用逗号。
If it ’ s fine tomorrow, I wilgo with you.I will go with you if it’ s fine tomorrow.状从句分：1、状从句2、地点状从句3、原因状从句4、目的状从句5、果状从句6、条件状从句7、步状从句8、比状从句9、方式状从句状从句隶属：when, while, as, before, after, till/until, since, whenever, as soon as（一⋯⋯就）⋯⋯：主将从，主情从，主祈从一、 When/while/as （当⋯候）区：主句作与从句作生的（同/以前 /此后）；从句（延性 /瞬性）1）When:when 引状从句表示“当⋯⋯ 的候”，when既能够指段也可指点，从句中既可用延性又可用瞬性，且作既可和主句的作同生又可在主句的作以前或此后生。
且when 引的状从句中一般用一般在表将来（主将从）。
完整版)高级时间状语从句语法及练习高级时间状语从句语法及练 (完整版)时间状语从句是句子中用来表示时间关系的从句。
它可以表达一个动作发生的时间、顺序或频率等。
在英语中，有许多种不同类型的时间状语从句，包括简单时间状语从句、连续时间状语从句、完成时间状语从句和未来时间状语从句等。
本文将详细介绍高级时间状语从句的语法和提供一些练来巩固研究。
1.完成时间状语从句完成时间状语从句表示一个动作在另一个动作之前发生或完成。
通常使用以下几个引导词：after。
before。
since。
as soon as。
once。
by the time等。
___。
I will go out to play.She had already left before I arrived.Since he ___。
___.As soon as I get home。
I will call you.Once you understand the concept。
it es easier.By the time he arrives。
the meeting will have already started.2.未来时间状语从句未来时间状语从句表示一个将来发生的动作或情况。
常用的引导词包括：when。
as soon as。
once。
until。
unless等。
When you come to the party。
please bring a gift.I will call you as soon as ___.Once you finish the project。
you can take a break.I won't go to bed until I finish reading this book.I won't go unless you come with me.3.连续时间状语从句连续时间状语从句表示两个动作或情况在时间上的连续关系。
~状语从句（高考）1.时间状语从句常用引导词when,as,while,as soon as,before,after,since,till ,until特殊引导词every time/each time每次, immediately /the moment一---就---,when it comes to---说到---等，the first /last time第一次1)I will tell him when he comes back.他回来时我就告诉他。
2）I will tell him as soon as he comes back.他一回来我就把这个消息告诉他。
= I will tell him the moment he comes back.= I will tell him immediately he comes back./Be careful ! The machine starts moment you press___(你一按)the button.(moment)3）Each time I meet him, he will say Hello to me.每次我见到他，他都会向我问好。
Every time I listen to your advice,I get into trouble.每次我听你的意见，我都会陷入困境。
4）while引导的时间状从，从句中必须是延续性动词While he was reading ,his wife was cooking.他看书时，他妻子烧饭。
5）till(一般不放在句首)until肯定形式表示“做某事直到某时”，动词必须是延续动词。
否定形式表示“直至某时才做某事”动词一般为非延续性动词I slept until midnight.=I didn`t wake up until midnight.我一直睡到半夜时醒了。
Wait till I call you.=Don`t leave till I call you.等着我叫你。
}Don`t get off the bus until it has stopped.公共汽车停稳了再下车。
She didn`t arrive until 8 o`clock.她直到8点才到。
=She arrived not until 8 o`clock.= Not until 8 o`clock did she arrive.=It was not until 8 o`clock that she arrived.6）since从句，自从---以来She has never called on me,since she moved to the country.自从她搬到乡下以来就未来看过我。
It is /has been two years since we began to use the machine .我们使用这部机器已经有两年了。
= We began to use the machine two years ago.=We have used the machine for two years.注意：(1)It is/has been＋一段时间＋since引导的时间状语从句(自从做某事已经有多长时间了)It is /has been a long time since we got married.自从我们结婚以来已经有很长时间了。
=We have been married for a long time.=We got married a long time ago.注意：（2）It will be/was＋一段时间＋before从句(多久之后才…… before 引导时间状语从句)。
—It will (not )be a long time before he comes back.他很久以后/不久就会回来。
It was three years before he came back.三年以后她回来了。
=He came back after three years.It will be three years before he comes back.三年以后他才会回来。
=He will come back in three years.7）When it comes to tennis,you can`t beat her.说到网球，你是赢不了她的。
8）The first time I saw him ,he is still a child.我第一次见到他时，他还是个孩子。
9）be doing—when—正在—突然—had( just) done—when—刚刚---突然---be about to do—when—正要干—突然—{We were having dinner when someone knocked at the door.I had just gone to bed,when the telephone rang.我刚上床电话铃响了。
I was about to go out when it began to rain.我刚要出门天开始下雨了。
10．as随着---As time went by/passed,her hair grew gray.随着时间的流逝她的头发变得花白了。
=With time going by/passing, her hair grew gray.2.地点状语从句，常用引导词whereGenerally,air will be polluted where there are factories.一般来说，有工厂的地方空气就会受到污染。
注意：where 不能换成in whichHe lives where I used to work.他住在我原来工作的地方。
3.^4.原因状语从句，常用引导词because与why对应,since既然/由于，常放在句首,as常表示众所周知的原因,for不是说明直接原因而是加以推断Since/Now that everyone is here,let`s begin.既然每个人都到了我们就开始吧。
特别引导词now that=since既然，一般放在句首As the weather is so bad ,we have to delay our journey.由于天气那么差我们不得不推迟旅行。
He is absent today,because he is ill.他今天没来因为他病了。
He must be ill, for he is absent.他肯定是病了因为他没来。
5.目的状语从句，常用引导词so that,in order that特别引导词in case以防for the purpose that为了…The boss asked the secretary to hurry up with the letters so that/in order that/ for the purpose that he could sign them.老板要秘书快点处理信件以便他能签字。
Take a taxt in case you are late for the meeting.坐出租车去免得开会迟到。
6.结果状语从句，常用引导词so+形容词或副词+that---,such+名词+that---如此的---以至于---,但so many/much/few/little（少）+名词+that---,such a+形容词+名词（可数名词单数）+that---=so +形容词+a+名词（可数名词单数）He got up so early that he caught the first bus.他起的那么早以至于赶上了头班车。
It is such good weather that we all want to go out playing.这么好的天气我们都想出去玩。
There are so many people in the street that we can`t walk fast.街上有那么多人以至于我们走不快。
He is such a young boy that he can`t go to school.他是那么小的男孩不能上学。
= He is so young a boy that he can`t go to school.=The boy is so young that he can`t go to school.= The boy is too young to go to school.= The boy is not old enough to go to school.7.条件状语从句，常用引导词if, unless除非(特别引导词as/so long as只要on condition that 条件是Let`s go out for a walk unless you are too tired.=If you are not too tired,let`s go out for a walk.你如果不太累让我们出去散会儿步。
You will certainly succeed so/as long as you keep on trying.只要你坚持努力一定会成功。
I will lend you the bike on condition that you must keep it clean.我把自行车借给你条件是你一定要保持它干净。
7.让步状语从句，常用引导词though/although虽然,even though/even if即使特别引导词as（虽然）用在让步从句中必须倒装，提到句首的名词前不能有冠词while（虽然）,no matter---,wherever,whenever 等Although/though it`s raining,they are still working in the field.虽然天下雨，但他们仍在地里干活。
=It is raining,but they are still working in the field.The old man always enjoys swimming even if/even though the weather is rough.即使天不好那位老人总是喜欢游泳。
"Much as I respect him ,I can`t agree to his proposal.虽然我很尊敬他，我不能同意他的建议。
