初中条件状语从句精讲和练习含答案资料讲解

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2019年秋人教版八年级Unit 10 if引导的条件状语从句讲和练(含答案及解析)

2019年秋人教版八年级Unit 10 if引导的条件状语从句讲和练(含答案及解析)

2019年秋八年级上册单元语法讲与练if引导的条件状语从句语法精讲1.条件状语从句的含义由一个主句和一个或一个以上的从句构成的句子叫复合句。

在复合句中作状语的句子叫作状语从句。

状语从句根据它表达的意思可分为很多种,if引导的句子在复合句中表示条件,作主句的条件状语,因此称为条件状语从句。

If you don’t hurry,you’ll be late.如果你不快点,你将会迟到的。

If he comes,let me know.如果他要来,通知我。

2.if引导的条件状语从句的结构if引导的条件状语从句在句中的位置比较灵活,可以放在主句之前(这时要和主句用逗号隔开),也可以放在主句的后面(不用逗号)。

条件状语从句的结构为:if+陈述句,主语+谓语(=主语+谓语+if+陈述句)。

意为“如果……就……”。

If you ask him,he will tell you the answer.如果你问他,他就会告诉你答案。

I hope to visit her if I’m free.如果我有空,我希望去看望她。

3.if引导的条件状语从句与主句时态的一致性在复合句中,从句中动词的时态在一定程度上受到主句动词时态的制约,英语语法中称为时态呼应。

(1)在含有条件状语从句的复合句中,如果主句是一般将来时,从句则用一般现在时代替一般将来时表将来。

If it rains,I will stay at home.如果下雨,我将待在家里。

If you study hard,you will pass the examination.如果你努力学习,就能通过这次考试。

(2)如果主句含有must,may,can等情态动词,从句也要用一般现在时。

If you drive too fast,you may have an accident.如果你把车开得太快,你可能会出事故。

You must stop if the traffic light is red.如果红灯亮了,你必须停下来。

状语从句难点讲解练习含答案解析

状语从句难点讲解练习含答案解析

状语从句难点讲解练习含答案解析一、初中英语状语从句1.Many college students go to West China to help local people, ______ they may find a good job in big cities.A.because B.if C.although D.after【答案】C【解析】【详解】句意:许多大学生去中国西部帮助当地人,尽管他们可能在大城市找到一份好工作。

A. because因为;B. if如果;C. although尽管;D. after在……之后。

句子Many college students go to West China to help local people和句子they may find a good job in big cities.之间存在着转折关系,因此选择although尽管;故选C。

2._______riding shared bikes is an easy way to travel, it also causes some problems. A.Although B.If C.Until【答案】A【解析】【详解】句意:虽然骑共享单车是一种简单的旅行方式,但也会引起一些问题。

A. Although尽管,虽然;B. If如果;C. Until直到。

根据下文it also causes some problems.可知上文是Although 引导的让步状语从句。

根据题意,故选A。

3._______ you do in the future, you should try your best to do it well.A.However B.Whenever C.Whoever D.Whatever【答案】D【解析】试题分析:句意:无论你将来做什么,你都应该尽你的最大努力把它做好。

however 然而,无论怎样;whenever 无论什么时候;whoever 无论是谁;whatever 无论什么。

【英语】英语状语从句解题技巧分析及练习题(含答案)及解析

【英语】英语状语从句解题技巧分析及练习题(含答案)及解析
7.We all know that we won't enjoy good health ______ we often exercise.
A.thoughB.ifC.whenD.unless
【答案】D
【解析】
【详解】
句意:我们都知道如果我们不经常锻炼,我们将不会享有好的健康。考查连词的用法。A. though虽然,尽管;B. if如果;C. when当......的时候;D. unless除非,如果不。根据句意:我们都知道如果我们不经常锻炼,我们将不会享有好的健康。只有D项符合题意。故选D。
9.You will lose the ability to pay attention, plan and stay active after one or two nights _____ you can sleep well.
A.untilB.whenC.unlessD.if
【答案】C
【解析】
【详解】
A本题考查连词辨析。句意:微信支付使我们的生活方便。当我们想为某物付钱时,我们只需要扫描二维码。A. When当……时候;B. After在……以后;C. Unless除非;D. Until到……为止。综合句意可知,扫描二维码指的是当我们付钱时的动作,用关系副词when。故乡A。
18.I think you’ll miss the train ________ you hurry up.
4.--Peter, please send us postcardswe’ll know where you have visited.
--No problem.
A.butB.orC.forD.so
【答案】D
【解析】

【英语】初中英语状语从句解题技巧讲解及练习题(含答案)

【英语】初中英语状语从句解题技巧讲解及练习题(含答案)

【英语】初中英语状语从句解题技巧讲解及练习题(含答案)一、初中英语状语从句1. the journey was tiring,Jeff thought it was worth both the time and the money.A.As B.Since C.Unless D.Although【答案】D【解析】【详解】句意:虽然旅途很累,杰夫认为时间和金钱都值得。

A. As当……的时候;B. Since 自从;C. Unless除非;D. Although尽管。

根据下文Jeff thought it was worth both the time and the money.可知上文是让步状语从句,这里用Although引导。

根据题意,故选D。

2. Lucy knew nothing about it _____ her sister told her.A.because B.until C.if D.since【答案】B【解析】试题分析:句意:露西直到她姐姐告诉她才知道这件事。

Because因为; until直到; if如果; since自从。

Not···until直到···才,是一个固定句型。

所以选B。

考点:考查连词。

3.—Did you give Dick a call?—I didn’t need to ______ I’ll see him soon.A.when B.through C.until D.because【答案】D【解析】试题分析: 句意:你给汤姆打电话了吗?我没必要打,因为我很快就要看到他了。

when 当……的时候,though尽管,.until直到,because因为。

根据-I didn’t need to,我没必要打,可知不打电话是有原因的,故选D考点:考查连词。

4.He made a serious mistake, but he took immediate action to change that ______ it got worse. A.until B.when C.because D.before【答案】D【解析】试题分析:句意:他犯一个严重的错误。

(英语)初中英语状语从句答题技巧及练习题(含答案)及解析

(英语)初中英语状语从句答题技巧及练习题(含答案)及解析

(英语)初中英语状语从句答题技巧及练习题(含答案)及解析一、初中英语状语从句1.If you study hard, you ________ into a good senior high school.A.got B.will get C.get【答案】B【解析】【详解】考查条件状语从句时态的用法。

句意:如果你努力学习,你_______进入一个好点的高中。

A. got 表示一般过去时;B. will get 是一般将来时;C. get 是一般现在时。

连词if引导的条件状语从句中,主句是一般将来时,条件状语从句用一般现在时表示将来的动作。

由句意可知,主句是将来发生的动作,用一般将来时,故选B。

2.-- 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。

3.--- Do you know what time Daniel Xuzhou tomorrow?---At 2:00 p. m. I will meet him when he at the airport.A.gets to; arrives B.will get to; will arriveC.will get to; arrives D.gets to; will arrive【答案】C【解析】句意:——你知道丹尼尔明天什么时候去徐州吗?——下午2:00点。

当他到达机场时我将与他会面。

英语状语从句解题技巧及练习题(含答案)及解析

英语状语从句解题技巧及练习题(含答案)及解析
5.Mr. White tells us the calls meeting will be cancelled if no agreement _________ tomorrow.
A.is reachedB.will be reached
C.is going to be reachedD.has been reached
16.You will never achieve success _____you devote yourself to your work.
A.afterB.ifC.becauseD.unless
【答案】D
【解析】
句意:除非你把自己专心于你的工作,否则你将永远不会成功。after在……之后;if如果;because因为;unless除非;根据句意可知是unless引导的的条件状语从句;故选D。
考查连词用法。too+形容词或副词+to do sth.:太……而不能;enough+形容词/副词+to do sth.:足够……以至于……;so+形容词/副词+that+句子:如此……以至于……;as…as:与……一样……。故选C。
12.—Do you often watch the show If You Are The One?
【点睛】
if条件句不一般,几个要点记心间;
条件句,放在前,逗号要放句中间。
条件句表可能,主句多用将来时;
条件句表事实,主句常用现在时。
在if引导的条件状语从句中,如果从句谈论的是一个有可能发生的事实及其产生的相关的结果,主句用一般将来时态,从句用一般现在时态。如:
We can walk there if we can't find a bus.

【英语】初中英语状语从句常见题型及答题技巧及练习题(含答案)及解析

【英语】初中英语状语从句常见题型及答题技巧及练习题(含答案)及解析

【英语】初中英语状语从句常见题型及答题技巧及练习题(含答案)及解析一、初中英语状语从句1.I didn't realize he was a famous scientist you told me.A.until B.because C.since【答案】A【解析】句意:直到你告诉我,我才知道他是一位出名的科学家。

A. until到…为止;B. because 因直到……才。

其用法是如果(主)为;C. since既然,因为。

本题考查固定句式not…until…根据句子结构,结结构,意为“到……时候才” 句中的谓语是终止性动词,应采用“not…until”合选项,故选A。

2.I have to leave now __ I can catch the last bus.A.so that B.because of C.until D.as soon as【答案】A【解析】试题分析:so that以便,所以;because of因为,由于;until直到;as soon as一……就……。

句意:为了赶上末班车,我现在必须离开了。

结合语境可知选A。

考点:连词辨析点评:连词在句子中主要起联系上下文的作用,他们之间的区别就是表示逻辑关系的不同,所以在解题时先要理解上下文含义,然后根据上下文逻辑关系选择合适的连词。

连词的用法都比较多,语义之间还有交叉,熟记其基本应用规则,了解其区别,注意固定搭配对象,是做好此类题型的关键。

3.My English teacher has taught English she came to the school.A.since B.as C.when D.for【答案】A【解析】【详解】考查连词辨析,句意:我的英语老师自从来到这个学校就教英语.结合语境推断句意是"我的英语老师自从来到这个学校就教英语.",此句中的谓语动词用了现在完成时,本题设空处后面的时间状语从句用了一般过去时,所以结合句意用现在完成时的标志词since引导,故选A4._____ the weather is fine tomorrow, we will go fishing.A.As well as B.As soon as C.As long as D.As far as【答案】C【解析】C 本题考查连词短语用法。

(英语)初中英语状语从句解题技巧及经典题型及练习题(含答案)含解析

(英语)初中英语状语从句解题技巧及经典题型及练习题(含答案)含解析

A. if 【答案】 D
B. since
C. while
D. unless
【解析】
【详解】
句意:除非我们共同努力,否则我们的篮球队不会赢得这场比赛。考查连词辨析。
A. if 如
果,引导肯定意义的条件状语从句; B. since 自从,引导时间状语从句; C. while 当 …时候,
引导时间状语从句; D. unless 除非,引导否定意义的条件状语从句。根据
if 如
果,表条件; unless 除非,表条件;推后尽管,表让步; because 因为,表原因。本句是让
步状语从句,根据句意结构和语境,可知选
C。
4.—Have you heard of the latest news about WIFI?
—Yes. When the 5G age , the Internet speed will be 100 times as high as 4G.
A. will rain
B.rains
C. doesn ’ t rain 【答案】 C
D. won’ t rain
【解析】
试题分析:句意:如果明天不下雨我们要去天安门广场看升国旗。根据句意及题干分析
if
引导的是条件状语从句,主句是一般将来时态,根据
“主将从现 ”原则, if 从句中应用一般
现在时态,根据句意是 “不下雨 ”,所以选 C。
件,相当于 if not ; until 直到,与 not 连用表示 “直到 ……才 ”。根据 I made a lot of American
friends 我交了很多美国朋友,可知是在美国的时候,故选
A。
12. Our basketball team won

初中英语状语从句解题技巧分析及练习题(含答案)及解析

初中英语状语从句解题技巧分析及练习题(含答案)及解析

初中英语状语从句解题技巧分析及练习题(含答案)及解析一、初中英语状语从句1.You'd better take the map with you you won't get lost.A.so that B.as soon as C.now that D.as long as【答案】A【解析】【详解】句意:你最好带上地图,这样你就不会迷路。

考查连词短语辨析。

A. 以便于,表目的;B. 一……就,表条件;C. 既然,表原因;D. 只要,表条件。

根据题干可知你最好带上地图的目的是为了不会迷路,本句是so that引导的目的状语从句,故选A。

2.Many people do not realize the importance of health ______ they have fallen ill.A.until B.while C.when D.after【答案】A【解析】试题分析:句意:一些人直到失去了健康才意识到它的重要性。

本题考查的是not…until 句型,“直到……才”。

For为了;but 但是;as 作为。

故选A。

考点:考查连词的用法。

3.________ there is danger on the internet, online insurance is still popular among the young. A.Unless B.Though C.Since D.Until【答案】B【解析】【详解】句意:虽然网上存在危险,但网上保险在年轻人中仍然很流行。

考查连词辨析。

A. Unless 除非,如果不,引导条件状语从句;B. Though尽管,虽然,引导让步状语从句;C. Since 自….以来,既然,由于,引导时间状语从句和原因状语从句;D. Until:到…为止,在…以前,直到,引导时间状语从句。

根据句意可知前后句句意是转折关系,前句是让步关系,可知填Though;选B。

if引导的条件状语从句讲解和练习(答案)

if引导的条件状语从句讲解和练习(答案)

条件状语从句一、条件状语从句通常由if(如果), unless(除非),as long as(只要)引导。

例如:If it rains tomorrow, we won’t go to the park. 如果明天下雨,我们就不去公园了。

Unless weather stops me, I go for a walk every. 我每天都会去散步,除非遇上坏天气。

Our parents will be pleased with our performance as long as we try our best.小试牛刀:1、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.2、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.二、if引导的条件状语从句(1)“if从句+祈使句”的句子。

其实,if作为一个连词,主句也可以是其他形式的句子。

例如:If you want to go, please let me know.If the green light isn’t on, wait for a minute.(2)“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。

注意:A. “祈使句+ and + 陈述句”可以转化为if引导的肯定条件状语从句,而且主语是第二人称。

B. “祈使句+ or + 陈述句”可以转化为if引导的否定条件状语从句,而且主语是第二人称。

例如:Study hard and you will pass the exam. =If you study hard, you will pass the exam.Hurry up, or you’ll be late. =If you don’t hurry up, you’ll be late.考题(2010重庆中考)Work hard,________ you may catch up with your classmates soon.A.orB.butC.andD.yet思路解析:本句是“祈使句+and”的句型,句意为“努力学习,你会很快赶上其他同学的”,and在句中表示承接关系,所以选C项。

初中英语条件状语从句分析(全,含练习及答案)

初中英语条件状语从句分析(全,含练习及答案)

英语中状语从句共有9大类,分别是:本节课我们学习其中的条件状语从句。

目录:一、概念;二、时态;三、条件状语从句的引导词;(一)if 引导的条件状语从句;(二)unless引导的条件状语从句;(三)as /so long as引导的条件状语从句;(四)once引导的条件状语从句;四、条件状语在句中的位置;五、转换;六、拓展;七、综合练习;一、概念在某种条件下,可能发生某事。

由if/unless等引导的表示条件的句子,就叫条件状语从句。

e.g:If you put wood into water, it floats.如果你把木头放到水里,它就会浮起来。

Unless you keep ice cream in a fridge, it melts.除非你把冰淇淋放进冰箱,不然它就会融化。

二、时态1.当主句和从句所表示的是原理、客观真理、规则时,主句是一般现在时(包括祈使句和含有情态动词can/may/must等),从句也要用一般现在时。

例如:1) If you put a piece of paper into water, it gets wet.如果你把一张纸放进水中,它会变湿。

(原理)2)Be careful if you cross the road.(祈使句)3) You must see the doctor if you are ill.( 含有情态动词)2. 在if条件状语从句中,如果从句谈论的是一个可能发生的事实及其产生的相关结果,主句用一般将来时,从句用一般现在时。

e.g:1) If it rains tomorrow, we will not go to the zoo.2) If you go to bed earlier, you won't feel tired in the morning.3. 如果从句用现在进行时或现在完成时,主句需用一般将来时。

1)If you are looking for Peter you’ll find him upstairs.如果你是在找彼得,上楼就会找到他。

(英语)英语状语从句解题技巧及练习题(含答案)及解析

(英语)英语状语从句解题技巧及练习题(含答案)及解析

(英语)英语状语从句解题技巧及练习题(含答案)及解析一、初中英语状语从句1.—Dear, I have an important meeting tomorrow.—It doesn’t matter. If you _______ go to the movie tomorrow, I _______ my friend to go with me. A.don’t; will ask B.won’t; will askC.don’t; ask D.won’t; ask【答案】A【解析】试题分析: 句意:亲爱的,明天我有个重要的会议。

没关系,如果明天你不能去看电影,我就邀请我的朋友和我一起去。

此题考查if引导的条件状语从句,主句一般将来时,从句一般现在时;故选A。

考点:考查动词时态。

2.I have to leave now __ I can catch the last bus.A.so that B.because of C.until D.as soon as【答案】A【解析】试题分析:so that以便,所以;because of因为,由于;until直到;as soon as一……就……。

句意:为了赶上末班车,我现在必须离开了。

结合语境可知选A。

考点:连词辨析点评:连词在句子中主要起联系上下文的作用,他们之间的区别就是表示逻辑关系的不同,所以在解题时先要理解上下文含义,然后根据上下文逻辑关系选择合适的连词。

连词的用法都比较多,语义之间还有交叉,熟记其基本应用规则,了解其区别,注意固定搭配对象,是做好此类题型的关键。

3.—How do you like your new school, Kate?—It is very clean and beautiful ____it is a bit small.A.if B.since C.unless D.although【答案】D【解析】试题分析:句意:--凯特,你觉得你的新学校怎么样?--尽管它有点小,但是它非常的干净,美丽。

【英语】初中英语状语从句解题技巧分析及练习题(含答案)含解析

【英语】初中英语状语从句解题技巧分析及练习题(含答案)含解析

【英语】初中英语状语从句解题技巧分析及练习题(含答案)含解析一、初中英语状语从句1.—Ling ling, you'll feel sleepy tomorrow _______ you go to bed early.—OK, Mom. I’ll go to bed at once.A.if B.unless C.though D.because【答案】B【解析】【详解】句意:——玲玲,如果你不早点睡觉,明天你会感到困的。

——好的,妈妈。

我马上去睡觉。

考查连词辨析。

A. if如果,引导条件状语从句;B. unless如果不、除非,相当于if not,引导条件状语从句;C. though虽然、尽管,引导让步状语从句;D. because因为,引导原因状语从句。

通过分析主从句之间的逻辑关系可知应该选择引导条件状语从句的从属连词if 或unless,再根据句子所表达的含义“如果不早点睡,明天就会感到困”可知unless符合语意,排除if;故答案选B。

2.---The two old friends were ____ busy ____ with each other that they forgot the time.---Yes. They hadn’t met for over ten years, so they kept talking the whole night.A.too; to talk B.too; talking C.so; to talk D.so; talking;【答案】D【解析】试题分析:句意:这两个老朋友那么忙于交谈以至于忘了时间。

是。

他们十年多没见到了,所以他们聊了一晚上。

考查句式so…that…因此……以至于……;be busy doing忙于做……,故选D。

考点:考查so…that句式。

3.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。

初中条件状语从句(附答案)

初中条件状语从句(附答案)

4- 常用引导词:if , unl ess1. if 引导词用法学习"if "引导的条件状语从句的用法,现在总结一下: if 条件句不一般,几个要点记心间; 条件句,放在前,逗号要放句中间。

条件句表可能,主句多用将来时;条件句表事实,主句常用现在时。

if 引导的条件句有:真实条件句和非真实条件句两种(1) 真实条件句:表示在某种条件下某事很可能发生。

Eg :a) If you ask him, he will help you.如果你请他帮忙,他会帮你的。

b) If you fail in the exam, you will let him down.如果你考试不及格 ,你会让他失望C) If it rains tomorrow, we won ’ go on a picnic.女0果明天下雨, 我们就不去野餐。

注意:切记紧跟着if 的那句话是从句。

(2)非真实条件句是虚拟语气的一种,表示与事实相反,不可实现的条件或根本不可能存在的条件,也就是一种虚拟的条件或假设 ,从句多用一般过去时或过去完成时。

Eg:a) If I were you, I would invite him to the party. 如果我是你,我会邀请他参加聚会。

b)I would have arrived much earlier if I had not bee n caught in the traffic. 女 0果没有堵C)If I were you, I would go with him. 如果我是你,我会和他一起去的。

2. uni ess 弓丨导词用法(1)固定搭配:unless = if...not 除非若不,除非在”的时候。

Eg:a) You will fail to arrive there in time uni ess you start earlier.=If you don ‘ start earlier, you will fail to arrive there in time. 女0果你不早点动身 ,你就 b) Uni ess it rains, the game will be p layed.=If it dose n't rain , the game will be p layed.除非下雨,比赛将照常进行。

初中状语从句讲解和习题附答案解析

初中状语从句讲解和习题附答案解析

(一)状语从句概括定义状语从句用作状语,是起副词作用的句子。

地点状语从句能够放在主句以前,也能够放在主句以后,时间、条件、原由和退步状语从句放在句首时需要用逗号和主句分开。

分类依据其作用能够分为时间、地址、原由、条件、目的、退步、方式和比较等状语从句。

作用它能够修饰谓语、非谓语动词、定语、状语和整个句子。

(二)状语从句详解1.时间状语从句指引词用法when意为“当的时候”。

When指引从句的谓语动词能够是持续性动词,也能够是瞬时动词。

而且 when有时表示“就在那时”示例A liar is not believed when he speaks the truth.谎话者讲实话时也没有人相信。

When he arrives, I ’ ll call you.When you laugh and smile, your body relaxes.while意为“在的时候,在While I was standing at the 的同时”。

While 指引从句window, I saw several boys的谓语动词一定是持续性running along the street.的,发生时间较长,并强While John was watching TV,调主句和从句的动作同时his wife was cooking.发生(或许相对应)。

While有时还能够表示对照。

as 意为“一边一边”。

As The writer was angry as he 指引的动作是持续性的,was travelling on a train to发生时间较短,一般用于London because someone had主句和从句动作同时发invaded his “space”.生;as 也能够重申一前一He smiled as he stood up.后。

after 意为“在以后”。

表示主With many hungry visitors 句动作发生在从句动作之waiting, don’t stay too后。

初中英语状语从句解题技巧(超强)及练习题(含答案)含解析

初中英语状语从句解题技巧(超强)及练习题(含答案)含解析

【解析】
【详解】 句意:虽然 TFBOYS的成员还不到 15 岁,但许多人喜欢他们的歌曲。考查连词辨析。
though 和 although 都表让步,不和 but 连用,可排除 AC 两项。 because 和 so 都表因果, 二者不可连用,可排除 D 项。根据句意结构,可知选 B。
9.You will lose the ability to pay attention, plan and stay active after one or two nights _____
可知不打电话是有原因的,故选 D
考点:考查连词。
5.— What do you think of your junior middle school life?
— I think it is colorful, I ’ m always busy.
A. though
B. while
C. until
如: When I grow up, I ’ ll be a nurse and look after patients
我长大后要当一名护士,照顾病人 二、如果主句是祈使句,那么从句通常要用一般现在时
如: Don’ t laugh at me when I make a mistake. 我犯错误的时候不要笑话我。 三、如果主句是含有情态动词的一般现在时,根据需要从句多用一般现在时
句用一般将来时,从句用一般现在时态,根据题意,故选
C。
12. —Ling ling, you'll feel sleepy tomorrow _______ you go to bed early.
— OK, Mom. I ’ ll go to bed at once.

初中条件状语从句 精讲和练习含答案

初中条件状语从句 精讲和练习含答案

初中英语:前提状语从句【1 】一.前提状语从句的概念前提状语从句,即在某种前提下,一件工作可能产生.在英语中由衔接词if或unless等引诱的状语从句叫做前提状语从句.前提是指某一件工作实现之后(状语从句中),一件工作(主句)才干产生,平日译作“假如,只要,假如”等意思.前提状语从句中,主从句的时态要遵守“主将从现”的原则.即,主句是未来时态时,从句用一般如今时期替未来时态.1.If conj . 假如,假如If you ask him,he will help you.假如你请他辅佐,他会帮你的.If you fail in the exam,you will let him down.假如你测验不合格,你会让他掉望的.2.unless conj.除非,若不,除非在……的时刻(if ...not...)You will fail to arrive there in time unless you start earlier.假如你不早点出发,你就不克不及实时赶到那儿. Unless it rains, the game will be played.除非下雨,比赛将照常进行.You may borrow my book as long as you keep it clean.只要你保持书的干净,你就可以把我的书借去.三.关于前提句的时态,罕有的有以下三种情形:1.前提状语从句的主句是一般未来时,那么从句经经常应用一般如今时.When I grow up, I’ll be a nurse and look after patients. 我长大后要当一名护士,照料病人.2.假如主句是祈使句,那么从句平日要用一般如今时.If you want to have a chat ,call me up.假如你想谈天,打我德律风.3.假如主句是含有情态动词时,依据须要从句多用一般如今时.You should be quiet when you are in the reading room. 在阅览室时应保持安静.四.常识拓展1在以when,before,as soon as等引诱的时光状语从句,也实用“主将从现”原则,即假如主句是一般未来时,从句则用一般如今时.I'll tell her the good news when she comes back.当她回来的时刻,我将把这个好新闻告知她.she will give you a call as soon as she returns.她一回来就会给你德律风.2.If前提句的同义句:祈使句,and /or+未来时态的陈述句.Work hard ,and you will make great progress.=If you work hard,you will make great progress.假如你尽力进修,你才会取得大的提高.Hurry up, or you will be late.=If you don’t hurry up.you will be late.假如你不快点,你就要迟到了.前提状语从句演习精讲(含答案)Ⅰ.单项选择1. If you _____ to the party, you’ll have a great time.A. will goB. wentC. goD. going2. It will be a long time ____ Peter _____ his work.A. since, has finishedB. after, finishesC. when, will finishD. before, finishes.3. What will father _____ us from Japan?A. takeB. bringC. carryD. make4. Weifang is famous ______ kitesA. forB. toC. onD. with5.I ____ her the answer if she ____me.A. can tell, will askB. will tell, will askC. would tell, askD. will tell, asks6. – What are you going to do tomorrow?--We’ll go to the library tomorrow if it ___.A. isn’t rainB. rainC. won’t rainD. doesn’t rain7.—Do you know when he will come back tomorrow?--Sorry, I don’t know. When he ____ back, I’ll tell you.A. comesB. will comeC. comeD. may come8. What will you do if you _____ to the old folk’s home visit?A. goB. wentC. goingD. will go9. If I eat ____ food, I’ll be very fat.A. too manyB. many tooC. too muchD. much too10. I’ll give the book to him if he ___ here next Sunday.A. will comeB. comesC. is comingD. came11. There ____an English film in our school tomorrow.A. is going to haveB. will haveC. is going to beD. has12. Could you tell us where ____?A. will the next Olympic Games heldB. the next Olympic Games will be heldC. would the next Olympic Games be heldD. the next Olympic Games would be held13. When my mother returned last night, I ____ a book.A. readB. am readingC. was readingD. am going to read14. What ____ you ____ when it began to rain?A. do, doB. were, doingC. are, doingD. did, do15. I’ll wake you up when he ____back.A. willB. is going to comeC. comesD. comeAnswers:1---5 CDBAD 6---10 DAACB 11---15 CBCBC二.用所给词的恰当情势填空1. If you ________(feel) tired, you _________ (have) to have a rest.2. Where _____ he ____(see) the film if he _________(have) time?3. If there ____ (be) fewer trees, there _______ (be) more pollution.4. He ___ (dress) more casually if he ___ (not work) on weekends.5. If Marcia _______ (live) alone, she _______ (keep) a pet parrot.6. Lana _____ (buy) a new dress if the old one ____ (be) out of style.7. The twins _______ (fight) if they__________ (argue).8. I ______ (have) a bake sale if I ____ (need) money for education.9. Peter ____ (send) me a beautiful souvenir if he ____(visit) Spain.10. If Mr. Green _______ (say) I am hard- working, my parents ___ (feel) glad.11. I ______ (go) to the beach if it________ (not rain) this week.12. _____they ___ (have) a match if the P.E. teacher __ (be) busy?13. He ____ (write) a letter to his grandparents if he ____ (get) his report card this week.14. If she ______ (get) up late, she _____ (not catch) the early bus.15. Peter ____ (major) in English if he ____(pass) the exams in Peking University.Answers:1 fee l,will have2 will see has3 are, will be4 will dresses, doesn’t work5 lives, will keep6 will buy, is7 will fight, argue8 will have, need9 will send, visits 10 says, will feel 11 wi ll go, doesn’t rain12 Will have is 13 will writes, gets 14 gets, won’t 15 will major, passesIII完成句子1.假如他到得晚了,会产生什么工作?What _______________ if he _____________ late?2. 假如尽力进修,你就会取得好成绩.If you_________ ________, you ________ good ________.3. 他假如看电视太久了,他的怙恃会不愉快.If he _____ TV too long, his parents _____ _________unhappy.4. 假如我们为他组织诞辰聚首,大家都邑来的.Everyone ________ if we _______a birthday party ________ him.5. 假如明天不下雨,我会和你一路去公园的.If it _____ ______tomorrow, I _____ go to the park ______you.6. 假如她睡过火了,就会上学迟到的.She_______ ______ _______ ________ if she _____ _____7. 假如他没有空,他不会帮忙你的.If he ____ ____, he ______ ____ you.8. 假如Tom测验不合格,他就没有机遇上高中了.Tom ______have the _____to go to the high school if he ________the exams.9. 假如这个男孩打烂窗户,屋主会对他朝气.If the boy_______ _______ _______, the house owner _______ _______ _______ _______ _______.10. 假如明天不下雨,我就出去野餐.__________________________________________________Answers1. was happened, came late? 2 work hard, will get , success. 3. watch, will be4 will come, hold, for5 doesn’t rain, will, with6 will be late for school, sleeps late7 isn’t free, won’t help 8 won’t chance fails 9 breaks the window , will be angry at him 10. If it doesn’t rain tomorrow, I will go out to have a picnic.1.If you feel tired, you should have to have a rest.2. Where has he seen the film if he has time?3. If there are fewer trees, there will be more pollution.4. He will dress more casually if he doesn‘t work on weekends.5. If Marcia lives alone, she should keep) a pet parrot.6. Lana should buy a new dress if the old one is out of style.7.The twins will fight if they argue.8. I will have a bake sale if I need money for education.9. Peter will send me a beautiful souvenir if he tours Spain.10. If Mr Green says I am hard- working, my parents will feel glad.11.I will go to the beach if it doesn’t rain this week.12. Will they have a match if the P.E. teacher is busy?13.He will write a letter to his grandparents if he gets his report card this week.14. If she gets up late, she won’t catch the early bus.15. Peter will major in English if he passes the exams in PekingUniversity.Translate1.假如他到得晚了会产生什么工作?2. 假如尽力进修,你就会取得好成绩.3. 他假如看电视太久了,他的怙恃会不愉快.4. 假如我们为他组织诞辰聚首,大家都邑来的.5. 假如明天不下雨,我会和你一路去公园的.6. 假如她睡过火了,就会旅游迟到的.7. 假如他有空,他会帮忙你的.8. 假如Tom测验不合格,他就没有机遇上高中了.9. 假如她不尽力进修,不克不及学好各门功课.10.假如这个男孩打烂窗户,屋主会对他朝气.1.What will happen if he comes late?2.If you work hard, you will get good marks.3.If he watches TV too long, his parents will be unhappy.4.Everyone will come if we hold a birthday party for him.5.If it doesn't rain tomorrow, I will go to the park with you.6.He will lose chance to the trip if she sleeps over.7.If he has time, he will help you.8.Tom won’t have the chance to go to the high school if he fails the exams.9.She won’t be good at all the subjects if doesn’t study hard.10.If the boy breaks the window, the house owner will be angry at him.。

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初中英语:条件状语从句一.条件状语从句的概念条件状语从句,即在某种条件下,一件事情可能发生。

在英语中由连接词if或unless等引导的状语从句叫做条件状语从句。

条件是指某一件事情实现之后(状语从句中),一件事情(主句)才能发生,通常译作“假如,只要,如果”等意思。

条件状语从句中,主从句的时态要遵循“主将从现”的原则。

即,主句是将来时态时,从句用一般现在时代替将来时态。

二.条件状语从句的引导词1.If conj . 如果,假如If you ask him,he will help you.如果你请他帮忙,他会帮你的。

If you fail in the exam,you will let him down.如果你考试不及格,你会让他失望的。

2.unless conj.除非,若不,除非在……的时候(if ...not...)You will fail to arrive there in time unless you start earlier. 如果你不早点动身,你就不能及时赶到那儿。

Unless it rains, the game will be played. 除非下雨,比赛将照常进行。

3.so/as long as conj.只要You may borrow my book as long as you keep it clean.只要你保持书的清洁,你就可以把我的书借去。

三.关于条件句的时态,常见的有以下三种情况:1、条件状语从句的主句是一般将来时,那么从句常常用一般现在时。

When I grow up, I’ll be a nurse and look after patients. 我长大后要当一名护士,照顾病人。

2、如果主句是祈使句,那么从句通常要用一般现在时。

If you want to have a chat ,call me up. 如果你想聊天,打我电话。

3、如果主句是含有情态动词时,根据需要从句多用一般现在时。

You should be quiet when you are in the reading room. 在阅览室时应保持安静。

四.知识拓展1在以when,before,as soon as等引导的时间状语从句,也适用“主将从现”原则,即如果主句是一般将来时,从句则用一般现在时。

I'll tell her the good news when she comes back. 当她回来的时候,我将把这个好消息告诉她。

she will give you a call as soon as she returns. 她一回来就会给你电话。

2.If条件句的同义句:祈使句,and /or+将来时态的陈述句。

Work hard ,and you will make great progress.=If you work hard,you will make great progress. 如果你努力学习,你才会取得大的进步。

Hurry up, or you will be late.=If you don’t hurry up.you will be late.如果你不快点,你就要迟到了。

条件状语从句练习精讲(含答案)Ⅰ.单项选择1. If you _____ to the party, you’ll have a great time.A. will goB. wentC. goD. going2. It will be a long time ____ Peter _____ his work.A. since, has finishedB. after, finishesC. when, will finishD. before, finishes.3. What will father _____ us from Japan?A. takeB. bringC. carryD. make4. Weifang is famous ______ kitesA. forB. toC. onD. with5.I ____ her the answer if she ____me.A. can tell, will askB. will tell, will askC. would tell, askD. will tell, asks6. – What are you going to do tomorrow?--We’ll go to the library tomorrow if it ___.A. isn’t rainB. rainC. won’t rainD. doesn’t rain7.—Do you know when he will come back tomorrow?--Sorry, I don’t know. When he ____ back, I’ll tell you.A. comesB. will comeC. comeD. may come8. What will you do if yo u _____ to the old folk’s home visit?A. goB. wentC. goingD. will go9. If I eat ____ food, I’ll be very fat.A. too manyB. many tooC. too muchD. much too10. I’ll give the book to him if he ___ here next Sunday.A. will comeB. comesC. is comingD. came11. There ____an English film in our school tomorrow.A. is going to haveB. will haveC. is going to beD. has12. Could you tell us where ____?A. will the next Olympic Games heldB. the next Olympic Games will be heldC. would the next Olympic Games be heldD. the next Olympic Games would be held13. When my mother returned last night, I ____ a book.A. readB. am readingC. was readingD. am going to read14. What ____ you ____ when it began to rain?A. do, doB. were, doingC. are, doingD. did, do15. I’ll wake you up when he ____back.A. willB. is going to comeC. comesD. comeAnswers:1---5 CDBAD 6---10 DAACB 11---15 CBCBC二、用所给词的适当形式填空1. If you ________(feel) tired, you _________ (have) to have a rest.2. Where _____ he ____(see) the film if he _________(have) time?3. If there ____ (be) fewer trees, there _______ (be) more pollution.4. He ___ (dress) more casually if he ___ (not work) on weekends.5. If Marcia _______ (live) alone, she _______ (keep) a pet parrot.6. Lana _____ (buy) a new dress if the old one ____ (be) out of style.7. The twins _______ (fight) if they__________ (argue).8. I ______ (have) a bake sale if I ____ (need) money for education.9. Peter ____ (send) me a beautiful souvenir if he ____(visit) Spain.10. If Mr. Green _______ (say) I am hard- working, my parents ___ (feel) glad.11. I ______ (go) to the beach if it________ (not rain) this week.12. _____they ___ (have) a match if the P.E. teacher __ (be) busy?13. He ____ (write) a letter to his grandparents if he ____ (get) his report card this week.14. If she ______ (get) up late, she _____ (not catch) the early bus.15. Peter ____ (major) in English if he ____(pass) the exams in Peking University.Answers:1 feel,will have2 will see has3 are, will be4 will dresses, doesn’t work5 lives, will keep6 will buy, is7 will fight, argue8 will have, need9 will send, visits 10 says, will feel 11 will go, doesn’t rain12 Will have is 13 will writes, gets 14 gets, won’t 15 will major, passesIII完成句子1.如果他到得晚了,会发生什么事情?What _______________ if he _____________ late?2. 如果努力学习,你就会取得好成绩。

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