初中英语状语从句讲解、练习与答案(教案)
状语从句
状语从句用来修饰主句中的动词，副词和形容词的从句叫状语从句。根据其含义状语从句可分为时间状语从句，地点状语从句，条件状语从句，原因状语从句，结果状语从句，比较状语从句，目的状语从句，让步状语从句。
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 telephone rang.
As he walked along（沿着走）the lake, he sang happily.
He had learned a little Chinese before he came to China.
After he finished middle school, he went to work in a factory.
(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。例如：
I’ll ring you up as soon as I get to New Y ork.
I will tell him everything when he comes back.
He won’t believe it until he sees it with his own eyes.
(3)在带有till或until引导的时间状语从句的主从复合句里，如果主句用肯定式，其含义是“一直到……时”，
谓语动词只能用延续性动词。如果主句用否定式，其含义是“直到……才……”, “在……以前不……”, 谓语动词可用瞬间动词。例如：
The young man read till the light went out（熄灭）.
Let’s wait until the rain stops.
We won’t start until Bob comes.
Don’t get off（从下来）until the bus stops.
【Till是指直到某一特定事件发生的时候，而在那个时刻之后，该事情或状况仍将持续。Until是指直到某一特定事件发生的时候，而讲话的人在自己心里认为，在那个时刻之后，该事情或该状况将中止（不怎么可能持续）。固定组合里from morning till night，till/until是不能替换的，】
2. 条件状语从句
(1)条件状语从句通常由if, unless引导。例如：
What shall we do if it snows tomorrow?
Don’t leave the building unless I tell you to.
(2)在条件状语从句里，谓语动词通常用现在时态表示将来的动作或状态。例如：
I’ll help you with your English if am free tomorrow.
He won’t be late unless he is ill.
(3)“祈使句+ and (or)+ 陈述句” 在意思上相当于一个带有条件状语从句的复合句。例如：
Hurry up, or you’ll be late. =If you don’t hurry up, you’ll be late.
Study hard and you will pass the exam. =If you study hard, you will pass the exam.
3. 原因状语从句
(1)原因状语从句通常由because, since, as引导。例如：
He didn’t come to school because he was ill.
As it is raining, we shall not （不得；不应该）go the zoo.
Since you can’t answer the question, I’ll ask someone else.
(2)because表示直接原因，语气最强。Because引导的原因状语从句多放在主句之后。回答由why提出的问题，
只能用because。As和since语气较弱，一般用来表示明显的原因。由as和since引导的原因状语从居多放在句首。例如：
------Why aren’t going there?
------Because I don’t want to.
As he has no car, he can’t get there easily.
Since we have no money, we can’t buy it.
(3)because和so不能同用在一个句子里。
4. 结果状语从句
(1)结果状语从句由so…that, such…that, so that引导。例如：
He is so poor that he can’t buy a bike for his son.(和too...to...句型的转换复习）
She is such a good teacher that everybody likes her.
My pencil fell under the desk, so that I couldn’t see it.
(2)so…th at语such...that可以互换。例如：
在由so...that引导的结果状语从句中，so是副词，与形容词连用。其结构是: “...so + 形容词（副词）+ that + 从句”。例如：
He was so glad that he couldn’t say a word.
The hall is so big that it can hold 2,000 people.
Mother lives so far away that we hardly ever（几乎不，从来不）see her.
在由such…that引导的结果状语从句中，such是形容词，它修饰的可以是单数或复数可数名词，也可以是不可数名词；名词前面可以带形容词，也可不带。如果是单数可数名词，前面需加不定冠词a或an。例如：It was such a hot day that nobody wanted to do anything.
He had such long arms that he could almost touch the ceiling.（天花板）
He made such rapid progress that he did very well in the mid-term.
有时上述两种结构是可以互换的。例如：
It was such a wonderful film that all of us wanted to see it again.
=The film was so wonderful that all of us wanted to see it again.
It is such an important match that nobody wants to miss it.
=The match is so important that nobody wants to miss it.
(3)如果名词前由many, much, little, few等词修饰时，只能用so, 不用such。例如：
Soon there were so many deer that they ate up all the wild roses.
He has so little time that he can’t go to the cinema（去看电影）with you.
5. 比较状语从句
比较状语从句通常由as…as, 比较级+ than…等连词引导。例如：
Tom runs faster than John does.
This classroom is as big as that one(is).
6. 目的状语从句
(1)目的状语从句通常由so that, in order that（为了，以便）引导。例如：
We started early so that we could catch the first train.(动词不定式作目的状语的转换练习）
He studies hard so that he could work better in the future. （和不定式短语so as to 的转换练习）
We used the computer in order that we might save time.（和不定式短语in order that的转换练习）
(2)so that既可引导目的状语从句，又可引导结果状语从句。区别这两种从句的办法有两个：1)目的状语从句
里往往带有情态动词can, could, may, might等。2)从意思上看，目的状语从句往往表示的目的很明确。例如：I’ll speak slowly so that every one of you can understand well . (目的状语从句)
Jack is badly ill so that he has to rest. (结果状语从句)
He ran quickly so that he won the race . (结果状语从句)
He ran quickly so that he could win the race , (目的状语从句)
7. 让步状语从句
(1)让步状语从句通常由although, though等连词引导。例如：
Though he is young, he knows a lot.
Although I am tired, I must go on working. (复习go on doing,go on to do)
(2)although(though)不能用在同一个句子中。例如：
我们不能说：Though it was raining hard, but he still went out.
应该说：Though it was raining hard, he still went out.或It was raining hard, but he still went out.
(3)even if/even though 表示“即使。。。，纵使。。。。”之意，含有一种假设
We’ll make a trip even if / even though the weather is bad .
(4)no matter + 疑问词“不论。。。都。。。”
No matter what happened , he would not mind = Whatever happened , he would not mind .,
No matter who you are , you must keep the law.= Whoever you are , you must keep the law .
8. 地点状语从句
地点状语从句常常由where来引导。例如：
Go where you like.
Where there is a will, there is a way.
9.方式状语从句
方式状语从句常用as,as if,as though引导
He speaks English as the Englishmen do .
He talks as if he knew all about it .
She loves the boy as though he were her own son .
总结：状语从句分类及常用连词：
类别连词
时间状语从句when, whenever, while, as, before, after, since, till, once（一旦）
地点状语从句where, wherever
原因状语从句because, since, as, for, now that（既然，由于）etc.
目的状语从句in order that(为了，以便), so that, that, etc.
结果状语从句so…that, so that, such…that, that, etc.
条件状语从句if, unless, as(so)long as, etc.
让步状语从句though, although, even if, even though, however, whatever, as, etc.
比较状语从句as…as, so…as, than, etc.
方式状语从句as, as if, as though, etc.
练习一
一. 单项填空
1. _______ he’s old, he can still carry this heavy bag.
A. Though
B. Since
C. For
D. So
2. ---Do you know if he _______ to play basket ball with us?
---I think he will come if he ______ free tomorrow.
A. comes; is
B. comes; will be
C. will come; is
D. will come; will be
3. In the zoo if a child _____ into the water and can’t swim, the dolphins may come up ______ him.
A. will fall; to help
B. falls; to help
C. will fall; help
D. falls; helping
4. I don’t remember ________ he worked in that city when he was young.
A. what
B. which
C. where
D. who
5. We will stay at home if my aunt ________ to visit us tomorrow.
A. comes
B. come
C. will come
D. is coming
6. The police asked the children _______ cross the street ________ the traffic lights turned green.
A. not; before
B. don’t; when
C. not to; until
D. not; after
7. I was late for class yesterday _______ there was something wrong with my bike.
A. when
B. that
C. until
D. because
8. I’ll go swimming with you if I ________ free tomorrow.
A. will be
B. shall be
C. am
D. was
9. In the exam, the ________ you are, ______ the _______ mistakes you will make.
A. careful; little
B. more careful; fewest
C. more careful; fewer
D. more careful; less
10. Y ou should finish your lessons _______ you go out to play.
A. before
B. after
C. when
D. while
11. I hurried _____ I wouldn’t be late for class.
A. since
B. so that
C. as if
D. unless
12. When you read the book, you’d better make a mark _______ you have any questions.
A. which
B. that
C. where
D. though
13. The teacher raised his voice _______ all the students could hear him.
A. for
B. so that
C. because
D. in order
14. He took off his coat _______ he felt hot.
A. because
B. as
C. if
D. since
15. It is ______ that we’d like to go out for a walk.
A. a lovely day
B. too lovely a day
C. so lovely a day
D. such lovely a day
16. Mary had ______ much work to do that she stayed at her office all day.
A. such
B. so
C. too
D. very
17. _______ I felt very tired, I tried to finish the work.
A. Although
B. Because
C. As
D. As if
18. ______ the day went on, the weather got worse.
A. With
B. Since
C. While
D. As
19. ______ well you can drive, you must drive carefully.
A. So long as
B. In order that
C. No matter how
D. The moment
20. Write to me as soon as you ________ to Beijing.
A. will get
B. get
C. getting
D. got
二. 根据中文意思完成下列英语句子
1. 不管他跟我开什么玩笑，我都不生气。
I am not angry with him, _______ _______ ______ jokes he ______ on me.
2. 布鲁斯太太对学生非常亲切，以至于学生把她当做母亲。
Mrs Bruce was _______ kind to her students ______ they ______ her _____ their mother.
3. 只要我们竭尽全力，父母就会满意我们的表现。
Our parents will be pleased with our performance _____ _____ ______ we try our best.
4. 你一到上海就给我打个电话好吗？
Will you please call me ______ ______ ______ you get to Shanghai.
5. 这个七岁的女孩酷爱钢琴，以至于他已经坚持练习两年了。
The seven-year-old girl likes playing the piano ______ ______ ______ she has kept practicing for two years.
6. 虽然她很忙，他还坚持自学英语。
_______ _______ ______ _______, she kept on learning English by herself.
7. 他长大后相当一名记者。
He wants to be a journalist ______ _______ _______ _______.
8. 无论刮风下雨，我们的老师总是第一个到校。
_______ _______ windy or rainy, our teacher is always the first to get to school.
9. 如果人人为保护环境做出贡献，世界将会变得更美好。
______ ______ ______ _____ _______ to protecting the environment, the world will become much more beautiful.
10. 李明昨天没来上学，因为他病了。
Li Ming didn’t come to school _______ _______ ______ ______.
练习二
1 The meeting didn't start___ everyone was there.
A. because
B. until
C. why
D. if
2 The boy ___ to bed ___ his mother came in.
A. went not; until
B. didn't go; after
C. went; until
D. didn't go; until
3 I won't believe you___ I have seen it with my own eyes.
A. before
B. until
C. after
D. when
4 He ___ home ___ she was satisfied ___ his answer yesterday.
A. didn't go; until; with
B. wasn't go; after; to
C. doesn't go; before; with
D. didn't go; until; to
5 He ___ back until the work ___ done.
A. isn't; will be
B. isn't; is
C. won't be; will be
D. won't be; is
6 They didn't start the work ___ their teacher came back.
A. until
B. while
C. as soon as
D. if
7. Tom will call me as soon as he ___ Shanghai.
A. arrives
B. will reach
C. arrives in
D. get to
8. I'm sure he'll come to see me before he ___ Beijing.
A. will leave
B. is leaving
C. leave
D. leaves
9. I will tell him the news as soon as he___ back.
A. come
B. comes
C. will come
D. came
10. Tom has got a watch. He ___ it for two years. It _______ by his father.
A. has bought; was bought
B. has got; is bought ,
C. was bought; has bought .
D. has had; was bought "'
11. When he got to the station, the train ___.
A. left
B. had left
C. leaves
D. has left
12. The boy told his father what he ___ in the street.
A. saw
B. have seen
C. had seen
D. see
13.We ___ TV when the telephone ____.
A. watched; was ringing
B. were watching; rang
C. watch; rings
D. are watching; rang
14.By the end of last term, I___ ten books.
A. had finished reading
B. have finish reading
C. had finish to read
D. finish read
15. I ___ you for a long time. Where ___ you ___?
A. didn't see; did; go
B. didn't see; have; gone
C. haven't seen; have; been
D. haven't seen; have; gone
16. Tom___ China for 3 years.
A. has been
B. has been in
C. has been to
D. has been at
17. I won't go to see the film tonight, because I ___ my ticket.
A. lost
B. have lost
C. will lose
D. didn't lose
18.-Hello! May I speak to Bob?
-Sorry, but he ___ for a month.
A. had been away
B. was left
C. left
D. has been away
19. I ___ him since I began to live in the city.
A. know
B. have known
C. knew
D. will know
20.Zhao Lan ___ already ___ in this school for two years.
A. was; studying
B. will; study
C. has; studied
D. are; studying
21.Betty didn't go to see the film yesterday ___ she was ill.
A. because
B. but
C. until
D. if
22 May I sit nearer___I can see more clearly?
A. as if
B. so that
C. even if
D. so
23 ___ you work hard, you will certainly succeed.
A. Though
B. If
C. Because
D. For
24 ___ he came to study in the university, he has made much progress in the study of English.
A. While
B. When
C. Since
D. After
25 I'd like to go swimming _____ the water is not too cold.
A. for
B. unless
C. if
D. whether
26 There are ___ many league members in class 2 ___ in Class 4.
A. both; and
B. 'so; that
C. either; or
D. as; as
27. -Do you have a big library?
-No, we don't. At least, not___yours.
A. as big as
B. as big than
C. as bigger than
D. bigger as
28. Suzhou is not ____ beautiful ____ Hangzhou.
A. as; than
B. so; as
C. even; than
D. /; than
29. Iron is more useful ___ any other metal.
A. as
B. than
C. then
D. so
30. I want to know ___ she is going to see a film.
A. if
B. that
C. what
D. which
31. You are sure to pass the exam ___ you study hard.
A. if
B. though
C. that
D. since
32. I'll go to see the film with you___I have time this evening.
A. whether
B. so
C. if
D. when
33. ___ you study harder, you'll never pass the final exam.
A. If
B. Until
C. Unless
D. Except
34. Although it was raining, still worked in the fields.
A. but they
B. and they
C. they
D. and yet they
35 ___ there were only five soldiers left at the front, ___ they went on fighting.
A. Because; so
B. If; and
C. Though; but
D. Though; /
36 ___ she is very old, ___ she can still work eight hours a day.
A. Because; so
B. Though; but
C. As; yet
D. Though; yet
37. Please answer the question in a loud enough voice ___ all the class may hear.
A. so, that
B. or
C. in order that
D. and
38. Lift it up___I may see it. A. though B. so that C. as D. than
39. I hurried___I wouldn't be late for class. A. so B. so that C. if D. unless
40. We should go by bus ___ we can get there earlier. A. as soon as B. where C. in order that D. as
41 The dictionary is so expensive ___ I can't buy it. A. because B. when C. that D. if
42 I got there ___ late ___ I didn't see him.
A. too; to
B. such; that
C. so; that
D. so; as
43 It is ___ hot in the room ___ we have to go out for a walk.
A. such; that
B. so; that
C. as; as
D. such; as
44 He has___ an interesting book that we want to read it. A. so B. such C. the same D. as
练习一答案
一. 1.A 2.C 3.B 4.C 5.A 6.C 7.D 8.C 9.C 10.A
11.B 12.C 13.B 14.A 15.C 16.B 17.A 18.D 19.C 20.B
二. 1. no matter what; plays 2.so; that; regarded; as 3. as long as 4. as long as
5. so much that
6. Though she was busy
7. when he grows up
8.Whether it’s 9. If everyone makes a contribution 10. because he was ill
练习二参考答案：
1-5B D B A D 6-10 A C D B D 11-15 B C B AC 16-20B B D B C 21-25A B B C C 26-30 D A B B A 31-35 A C C C D 36-40 D C B B C 41-44 C C B B
状语从句用法讲解和练习汇编
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初中英语时间状语从句讲解及练习
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初中英语状语从句讲解、练习与答案(教案)
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中考英语状语从句专项训练及答案及解析
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【英语】初中英语状语从句试题经典
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状语从句教案
TheAdverbialClauses 抚宁一中王艳 I.Teachingtopic：TheAdverbialClauses II.Teachingtype：Grammar III.TeachingObjectives: 1Inknowledge： Enhancestudents’proficiencyandaccuracyinusingthe adverbialclauses. StepI ooseonekindoftheclausesandanswerquestionstogetpoints. 1.AdverbialClausesofTime(时间状语从句) 1）Askstudentstodomultiple-choicetoknowthedifferenceamong“when”,“while”and“as”. 2)Askstudentstothinkaboutotherconjunctionsandwritesentencesbythemselves.Thenaskst udentstocorrectmistakesbythemselvesandexplaintheimportantanddifficultpoints. 3)Askstudentstotranslatethreesentencestoknowdifferentmeaningsof“before” 2.AdverbialClausesofConcession(让步状语从句) 1）Askstudentstofillintheblanksaccordingtothepicture. 2)Askstudentstodomultiple-choicetoacquiretheimportantpoints. 3.AdverbialClausesofManner(方式状语从句)
高考状语从句讲解
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最新初中英语状语从句练习与答案
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状语从句讲解及练习
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初中英语状语从句知识点总结
初中英语状语从句知识点总结(一） 用来修饰主句中的动词，形容词或副词等而充当状语的从句叫做状语从句。状语从句常用从属连词来引导,与主句连接起来。若置于句末,则前面不加逗号。根据意义和作用，状语从句可分为时间原因条件等几种。下面我们就来分析一下这几种状语从句。 1时间状语从句 时间状语从句常用从属连词wheｎ,aｆtｅｒ，unｔil,as soon as，等来引导。 当主句是祈使句或谓语动词是一般将来时态或情态动词时,其时间状语从句中的谓语动词常用一般现在时态表示将来发生的动作或存在的状态。这就是我们常说的“主将从现”。 如:Ｐlease cａll me ｗheｎ yｏu ｇeｔｔｈere．当你到那时,请给我打个电话。 I ｗill write tｏ you ａs ｓｏｏn as I arrｉｖe in Beｉjing.我一到北京就给你写信。 <温馨提示>siｎce引导时间状语从句表示“自从…以来”，从句中的动词一般表示动作的起点，用过去时;而主句的动作延续的情况则用一般现在时或现在完成时。常用的句型为： It hａs beｅn/is+一段时间+ｓｉnｃe+过去时。 如：I hａs ｂeｅｎ/is three yeａrs since ｗe meｔ laｓt ｔｉｍe.自从我们上次见面,已经三年了。 2条件状语从句 引导条件状语从句的连词或词组有：if(如果),unless(除非),as ｌｏnｇ as(只要）等。如果主句是将来时，条件状语从句也用一般现在时来表示。 如：I will ｓtａy at home ｉf it raiｎs tomorrｏｗ.如果明天下雨,我就待在家。 You can’t learn Englisｈweｌl unｌess you woｒk ｈard． 除非你努力学习，否则是学不好英语的。 <温馨提示>由ｉf引导的条件状语从句，若从句表达的是与现在事实相反的事实,则常用虚拟语气,即用过去时态表示(如果涉及到ｂe动词，一律都用wｅre)。此时,主句则用过去将来时。
初中英语状语从句
初中英语状语从句 【考点直击】 1. 时间状语从句 2. 条件状语从句 3. 原因状语从句 4. 结果状语从句 5. 比较状语从句 6. 目的状语从句 7. 让步状语从句 8. 地点状语从句 【名师点睛】 用来修饰主句中的动词，副词和形容词的从句叫状语从句。根据其含义状语从句可分为时间状语从句，地点状语从句，条件状语从句，原因状语从句，结果状语从句，比较状语从句，目的状语从句，让步状语从句。 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 when got to school yesterday. While he was doing his homework, the telephone rang. As he walked along the lake, he sang happily. He had learned a little Chinese before he came to China. After he finished middle school, he went to work in a factory. (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。例如： I’ll ring you up as soon as I get to New York. I will tell him everything when he comes back. He won’t believe it until he sees it with his own eyes. (3)在带有till或until引导的时间状语从句的主从复合句里，如果主句用肯定式，其含义是“一直到……时”，谓语动词只能用延续性动词。如果主句用否定式，其含义是“直到……才……”, “在……以前不……”, 谓语动词可用瞬间动词。例如：The young man read till the light went out. Let’s wait until the rain stops. We won’t start until Bob comes. Don’t get off until the bus stops. 2. 条件状语从句 (1)条件状语从句通常由if, unless引导。例如： What shall we do if it snows tomorrow? Don’t lea ve the building unless I tell you to. (2)在条件状语从句里，谓语动词通常用现在时态表示将来的动作或状态。例如： I’ll help you with your English if am free tomorrow. He won’t be late unless he is ill. (3)“祈使句+ and (or)+ 陈述句”在意思上相当于一个带有条件状语从句的复合句。例如： Hurry up, or you’ll be late. =If you don’t hurry up, you’ll be late. Study hard and you will pass the exam. =If you study hard, you will pass the exam. 3. 原因状语从句 (1)原因状语从句通常由because, since, as引导。例如： He didn’t come to school because he was ill. As it is raining, we shall not go the zoo. Since you can’t answer the question, I’ll ask someone else. (2)because表示直接原因，语气最强。Because引导的原因状语从句多放在主句之后。回答由why提出的问题，只能用because。
初中英语状语从句知识点总结
初中英语状语从句知识点总结（一） 用来修饰主句中的动词，形容词或副词等而充当状语的从句叫做状语从句。状语从句常用从属连词来引导，与主句连接起来。若置于句末，则前面不加逗号。根据意义和作用，状语从句可分为时间原因条件等几种。下面我们就来分析一下这几种状语从句。 1时间状语从句 时间状语从句常用从属连词when,after,until,as soon as,等来引导。 当主句是祈使句或谓语动词是一般将来时态或情态动词时，其时间状语从句中的谓语动词常用一般现在时态表示将来发生的动作或存在的状态。这就是我们常说的“主将从现”。 如：Please call me when you get there.当你到那时，请给我打个电话。 I will write to you as soon as I arrive in Beijing.我一到北京就给你写信。 <温馨提示>since引导时间状语从句表示“自从…以来”，从句中的动词一般表示动作的起点，用过去时;而主句的动作延续的情况则用一般现在时或现在完成时。常用的句型为： It has been/is+一段时间+since+过去时。 如：I has been/is three years since we met last time.自从我们上次见面，已经三年了。 2条件状语从句 引导条件状语从句的连词或词组有：if(如果),unless(除非),as long as(只要)等。如果主句是将来时，条件状语从句也用一般现在时来表示。 如：I will stay at home if it rains tomorrow.如果明天下雨，我就待在家。 You can’t learn English well unless you wo rk hard. 除非你努力学习，否则是学不好英语的。 <温馨提示>由if引导的条件状语从句，若从句表达的是与现在事实相反的事实，则常用虚拟语气，即用过去时态表示(如果涉及到be动词，一律都用were)。此时，主句则用过去将来时。
状语从句讲解及习题附答案
（一）状语从句概述 定义状语从句用作状语，是起副词作用的句子。 位置状语从句可以放在主句之前，也可以放在主句之后，时间、条件、原因和让步状语从句放在句首时需要用 逗号和主句隔开。 分类根据其作用可以分为时间、地点、原因、条件、目的、让步、方式和比较等状语从句。 作用它可以修饰谓语、非谓语动词、定语、状语和整个句子。 （二）状语从句详解 1. 时间状语从句 引导词用法示例 when 意为“当…的时候”。When 引导从句的谓语动词可以 是延续性动词，也可以是 瞬间动词。并且when有 时表示“就在那时”A liar is not believed when he speaks the truth.说谎者讲真话时也没有人相信。When he arrives, I’ll call you. When you laugh and smile, your body relaxes. while 意为“在…的时候，在…的 同时”。While引导从句的 谓语动词必须是延续性While I was standing at the window, I saw several boys running along the street.
的，发生时间较长，并强调主句和从句的动作同时发生（或者相对应）。While 有时还可以表示对比。While John was watching TV, his wife was cooking. as 意为“一边…一边…”。As 引导的动作是延续性的， 发生时间较短，一般用于 主句和从句动作同时发 生；as也可以强调一前一 后。The writer was angry as he was travelling on a train to London because someone had invaded his “space”. He smiled as he stood up. after 意为“在…之后”。表示主句 动作发生在从句动作之 后。主句与从句的动作时 间关系与before引导的从 句相反。With many hungry visitors waiting, don’t stay too long at your table after you have finished. If an early exit is necessary, you can leave after a scene is over. before 意为“在…之前”。引导的从 句不用否定形式的谓语， 并且当before引导的从句 位于主句之后，有时译成 “就，才”。当主句用将来时，You can’t watch TV before you finish your homework. Before it ended, the theatre was almost empty. My father had left for Canada
【初中英语】状语从句专项练习经典(1)
必备英语【初中英语】状语从句专项练习经典 一、初中英语状语从句 1．—Betty, do you know if Tony ______ the photo competition? —He will, if he ______ his project on Australia. A．enters; finishes B．enters; will finish C．will enter; finishes D．will enter; will finish 【答案】C 【解析】 【详解】 句意：贝蒂，你知道托尼是否要参加摄影比赛？他会的，如果他完成了有关澳大利亚的课题。 问句中if引导的是宾语从句，翻译为是否，前者问的是将来；答语是由if引导的条件状语从句，所以遵循主将从现的原则，所以if之后用一般现在时。所以答案选C。 2．You won't succeed _____ you work hard A．if B．because C．unless D．so that 【答案】C 【解析】 【详解】 句意：你不会成功的，除非你努力工作。if如果；because 因为，引导原因状语从句；unless如果不，除非；so that以至于，引导结果状语从句；为的是，引导目的状语从句。根据句意可知，这里表示“如果不努力工作”，故应选C。 3．-- Can’t I park my car free here? -- You can, for four hours, __________ you spend over 100 yuan in this supermarket. A．though B．if C．unless 【答案】B 【解析】 【详解】 句意：-我不能把车免费停在这里吗？- 如果你在这家超市花费超过100元，你可以免费停车四个小时。though 虽然；if 如果；unless 除非。这里是形容一种条件，如果消费超过100元，就能免费停车，故选B。 4．I won't go he comes back. A．until B．while C．when D．why 【答案】A 【解析】 句意：直到他回来，我才走。A. until 直到； B. while当---时候； C. when当---时候； D. why为什么；not---until--- 直到---才---；故选A
状语从句讲解和练习
状语从句 状语从句修饰主句/主句的谓语。一般有九大类：表示时间、地点、原因、目的、结果、条件、让步、比较和方式等。 时间状语从句 1. 用when引导：when表示“当……时候”。如： Things were different when I was a child. 我小时候情况与现在不同。 People breathe more slowly when they are asleep. 人睡觉时呼吸比较缓慢。 2. 用while引导：while表示“当……时候”。如： We must strike while the iron is hot. 我们要趁热打铁。 I went swimming while the others played tennis. 我去游泳，其余的人都打网球去了。 注意：while 所引导的时间状语从句中谓语动词必须是持续性的，不能是短暂性的。 3. 用as引导：as表示“当……时候”“随着”。如： He dropped the glass as he stood up. 他站起来时，把杯子摔了。 We get wiser as we get old. 随着年岁的增长，我们也变得聪明些了。 4. 用before引导：before表示“在……之前”。如： Turn off the lights before you go to bed. 睡觉前要关灯。 Before he went to university he was a worker. 上大学之前他是工人。 5. 用after引导：after表示“在……之后”。如： I will tell you after they leave. 他们走我再告诉你。 After you finish the letter show it to me．信写完后给我看看。 6. 用until / till引导：until / till表示“直到……”。如： He waited until she was about to leave. 他等着一直到她准备离开。 I watched him until he disappeared in the distance. 我瞧着他直到他在远处消失。 这类句型的主句动词通常只能是延续性动词，不能是终止性动词。但是，在否定句中，主句动词可以是终止性动词，此时构成not…ntil [till]…句式，意为“直到……才……”。如：