中考语法状语从句复习
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中考英语语法学习之状语从句一、什么是状语从句?状语从句是指一个句子中,作为状语的从句。
状语从句通常由引导词引导,如连词if、whether、how、when、why 等。
状语从句的作用是修饰主句,起到说明、限制或补充等作用。
二、状语从句的分类1.时间状语从句时间状语从句是指用来说明事件发生的时间的从句。
它通常由连词when、while、since、before、after等引导词引导,用来修饰主句中的时间。
例如:I have been to China twice. (我第一次去中国是在两年前。
)He has been studying English for five years. (他已经学习英语五年了。
)They will arrive at the airport at 7 pm. (他们将在晚上7点到达机场。
)We had a meeting at 2 pm this afternoon. (今天下午我们开了一个会议。
)需要注意的是,时间状语从句通常放在主句之前或之后,但在某些情况下可能会放在主句中间。
2.地点状语从句地点状语从句是指用来说明事件发生的地点的从句。
它通常由连词where、why、how等引导词引导,用来修饰主句中的地点。
例如:I saw her in the library. (我在图书馆看到她。
)They are going to have a meeting in the conference room. (他们将在会议室里开会。
)He is studying in his bedroom. (他正在卧室里学习。
)We had dinner at a restaurant last night. (昨晚我们在一家餐厅吃了晚饭。
)需要注意的是,地点状语从句通常放在主句之前或之后,但在某些情况下可能会放在主句中间。
3.原因状语从句原因状语从句是指用来说明事件发生的原因的从句。
中考英语常考状语从句1.时间状语从句When/while/as, since, as soon as, until/till, before, after,once, by the time, the minute/ the moment(一...就...), every/each time, whenever,...(1) When & while &as①When:表示“当...时”,后面跟时间点、时间段均可,因而从句的动词可以是非延续性动词(又叫短暂性动词)或延续性动词。
例如:He was watching TV when his mom came back.当他妈妈回来时,他正在看电视。
When his mom was cooking, he was watching TV.当他妈妈做饭的时候,他正在看电视。
②While:表示“当..时”,后面只能跟时间段,因而从句的动词也只能是延续性动词,且常为进行时态(现在进行时或过去进行时)。
例如:While his mom was cooking, he was watching TV.当他妈妈做饭的时候,他正在看电视。
③as:表示“一边...一边...”【注意】与while区分:当一个人同时进行两个动作时(即主从句的主语是同一个人时),只能用as。
还可表示“随着...”。
例如:Tom sings as he works. Tom一边唱歌一边工作。
As time went by, I learned how to be strong.随着时间的流逝,我学会了如何变得坚强。
(2) until & till (介词/连词)until:表示“直到...”,表示某个动作或状态一直持续到...为止。
例如:They waited until/till their mom came back.他们一直等到妈妈回来。
(主句谓语动词为延续性动词)“not...until”表示“直到...才”。
中考状语从句考点状语从句是中考必考的语法项目之一,它引导的状语从句在句中充当状语,修饰主句的谓语动词、形容词、副词或整个句子。
状语从句可分为以下九类:时间状语从句、地点状语从句、原因状语从句、目的状语从句、结果状语从句、条件状语从句、方式状语从句、让步状语从句和比较状语从句。
一、考点解读1. 掌握引导词的用法。
引导词有:when(当……时候)、while(当……时候)、as(当……时候)、before(在……以前)、after(在……以后)、since(自从)、because(因为)、so that(以便)、as if(好像)、whether(是否)、though (虽然)、as long as(只要)等。
2. 掌握状语从句的时态。
主句是现在时态时,从句可为需要的任何时态;主句是过去时态时,从句要用过去的某种时态形式。
但客观真理除外。
3. 从句是祈使句或省略句时,需用陈述语序。
4. 从句的位置:时间、地点、原因状语从句通常放在主句之后;但当主句是祈使句时,从句通常放在主句之前;而当主句是一个完整的句子时,有时也可用从句作插入语。
5. 从句与主句之间不可存在逗号,需用连词连接。
6. 从句是therefore时,只放在主句之后,不能倒装。
7. 从句与主句的逻辑关系要清楚。
8. 从句中的关系代词that、which、who在任何情况下都不可以省略。
9. 连接词if、unless在引导条件状语从句时不能用and并列连接词。
在否定词not用在句首时表部分否定;但需用and并列连接词时表完全否定。
二、常考考点梳理1. 时间状语从句的考点:①表示“一……就……”的英语表达为“as soon as”,其用法为:“as soon as+主+谓+其他,主+can/may+动词原形+其他”。
例如:As soon as he finishes his homework,he will go to the library. 他一完成作业就要去图书馆。
中考英语语法:状语从句一、时间状语从句在时间状语从句中,通常要用动词的一般现在时态表示将来时,用一般过去时表示过去将来式。
时间状语从句常用连词有: when, as, while, whenever, after, before, till (until), since, once, as soon as (或the moment ), bythe time, no sooner … than, hardly (scarcely) … when, every time等引导。
1.考查when, while, as引导,表示“当……时候”.【考例】一Mum,____shall we have lunch?——We will have it when your dad__________. [07连云港市]A when;returnsB where returns C.where;will return D.when;will return[答案]A.[解析] 答语中when引导了一个时间状语从句,主句用了一般将来时态,所以从句用一般现在时态,可见正确答案在A与B之中。
既然答语用了时间状语来回答,可见问句询问的也一定是时间,从而确定正确答案为A。
2. before 的用法:before的本意为“在……之前”,根据具体语境还可理解为“还没来得及/还没有……就……,趁着还没……就……,不知不觉就……,……才……”等。
如:【考例】Could you please give me your e-mail address _________you go? [昆明市]A. as soon asB. beforeC. afterD. until[答案]B.[解析]这四个词(组)都可以引导时间状语从句,as soon as一……就.before在……之前;after在……之后;until直到……才。
分析句子可以看出句意为“在你走之前把你的电子邮件地址给我好吗?”2.until 和till 的用法:与肯定式的主句连用,主句谓语必须是延续性动词,till/ until表示“……直到……”;与否定式的主句连用,且主句谓语是非延缓性动词时,till/ until表示“直到……才……”。
第十七章状语从句知识点1状语从句的分类知识点2时间状语从句的用法知识点3地点状语从句和条件状语从句的用法知识点4原因状语从句和让步状语从句的用法知识点5比较状语从句和方式状语从句的用法知识点6目的状语从句和结果状语从句的用法知识详单知识点1状语从句的分类知识点2时间状语从句的用法知识点3地点状语从句和条件状语从句的用法知识点4原因状语从句和让步状语从句的用法知识点5比较状语从句和方式状语从句的用法知识点6目的状语从句和结果状语从句的用法考点突破考点1考查时间状语从句的用法1.(龙东中考)-Henry, please call us as soon as you _______ Hawaii.-OK. I'll do that, Mom.A. arrive inB. are arriving inC. will arrive at【解析】选择A as soon as结构意为“一……就……,”引导时间状讲从句,主句为祈使句,从句用一般现在时表示将来。
Hawaii 为大地点.因此用in.考点2考查地点状语从句的用法2.(扬州中考)-My friend has achieved his goal after years of hard work.--- Great.A·One tree can make a forest B. Where there is a will,there is a way C. Many hands make light work D. A friend in need is a friend indeed【解析】选B 第一个人阐述自己的朋友经过多年努力实现目标.,第二个人表示祝贺,同时,发表自己对此事的看法。
应该是“有志者,事竟成”.该句是where引导的地点状语从句。
考点3考查条件状语从句的用法3.(十堰中考)_________ deal with our problems, we can easily become unhappy.A. UntilB. IfC. UnlessD. Though【解析】选C。
中考中考英语总复习状语从句完整归纳一、初中英语状语从句1._______it’s a public holiday today, some firefighters in our city are still on duty. A.Although B.Once C.If【答案】A【解析】【详解】句意“尽管今天是公共节假日,但是我们城市的一些消防员仍然在岗位值班”。
A.尽管(引导让步状语从句);B.一……就……(引导时间状语从句);C.如果(引导条件状语从句)。
根据句意可知,今天是公共假日,本应该休息,但是消防员仍然在岗值班,表示让步,故选A。
2.---Mom, shall we have supper now?---Oh, we won’t have supper_______ your dad comes back.A.until B.since C.while D.after【答案】A【解析】试题分析:句意:-妈妈,我们现在吃晚饭好吗? -哦,直到你爸爸回来我们才可以吃晚饭。
until直到;since自从;while当……的时候;after在……之后。
Not…until直到……才,是一个固定句型,所以选A。
考点:考查连词。
3.---Would you like to go bike riding with us tomorrow? ---Sure, ____ I am busy.A.since B.unless C.when D.until【答案】B【解析】试题分析:句意:----你想要明天和我们一起去划船吗?好的,如果我不忙我就去。
A自从;B如果不;C当……时候;D直到……才。
根据句意,应选B。
考点:考查连词。
4.You will fall behind others ______ you work hard.A.if B.unless C.though D.since【答案】B【解析】试题分析:句意:如果你不努力学习,你会落后别人。
状语从句一.状语的存在是为结构已经完整的句子添补信息,用来说明动发生的时间、地点、方式等,一般用单词或短语作状语。
例子:I go to school.(主谓宾都有,结构完整)I go to school every day.(增添了表明时间的状语)I go to school by bus.(增添了表明方式的状语。
)二.从句:处于从属地位的句子三.状语从句的本质:当给出的状语信息越来越丰富,无法仅用一个单词或逗语来表达时,就可以用一个句子来充当状语成分例子:I went to school.(我去上学。
)I went to school when I was four years old.(状语从句)(我四岁的时候就去上学了。
)②状语从句的两类结构:(1)引导词十从句,主句→Because this book is interesting,I like it.(1)主句十引导词十从句→I like this book because it's interesting四.状语从句的分类(一)时间状语从句※引导词:when(在…时),while(在…期间),as(随着),before(在…之前),after(在…之后),since(自从),till/until(直到),not…until(直到…才),as soon as(一…就)等。
When Igot off the bus,I fell down.(当我下车时,我捽倒了。
)(时间点)I was doing my homework while my mum was cooking.(当我妈妈在做饭时,我在写作业。
)(时间段-表两个动作同时进行)Things will get easier as time goes by.(两个动作同时发生。
)(随着时间的流逝,情况会有所改善。
)②till/until与not…until区别till/until→表延续性动作的结束,跟其连用的一般为延续性动词。
中考英语总复习状语从句专项及解析一、初中英语状语从句1.Our teachers have been with us for nearly three years we came to junior high school. We should thank them for what they have done for us.A.until B.before C.since D.while【答案】C【解析】句意:自从我们来到初中,我们的老师们已经和我们在一起将近三年了,我们应该感谢他们为我们所做的一切。
本题考查连词词义辨析。
A. until 直到···才 B. before 在···之前 C. since自从 D. while当···时候。
这里是since引导的时间状语从句,主句用现在完成时态,从句用一般过去时态,其他不符合题意,故选C。
2.You'd better get home earlier today we can go out for a big meal.A.in order to B.such that C.so that D.in order【答案】C【解析】句意:你最好今天早点回家,这样我们就可以出去吃大餐了。
A. in order to 为了,后跟动词原形;B. such that没有此用法;C. so that为了,引导目的状语从句;D. in order+that+从句,引导目的状语从句。
we can go out for a big meal表示目的的完整句子,所以使用连词词组so that。
故选:C。
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。
状语从句在主从复合句中作状语的从句叫做状语从句。
状语从句由从属连词引导,与主句连接,位于句首时,常用逗号与主句分开,位于句末时,其前一般不用逗号。
状语从句根据其用途可分为时间状语从句、条件状语从句、原因状语从句、目的状语从分类引导词例句时间状语从句when/while/as (当……时), before (在……之前), after (在……之后), since (自从……以来), not … until (直到……才), as soonas (一……就……), as (一边……一边……)When it began to rain, Ben was helping his mommake dinner.He writes as he listens.He became an English teacher after he graduatedfrom Peking University.He did not go to bed until his father came back.条件状语从句if (如果), as long as (只要), unless (除非)Unless bad weather stops me, I go for a walkevery day.原因状语从句because (因为), since (既然), as (由于)I didn't accept his help because I wanted to try itmyself.Since we have no idea about this problem, let'sask Mr. Wang for help.目的状语从句so that (以便, 为了), in order that (为了)They sped up so that/ in order that they could getthere on time.结果状语从句so … that / such … that (如此……以至于)It’s so hot that nobody wants to go out.让步状语从句though/although (尽管, 虽然), eventhough/if (即使), whatever (无论什么),whenever (无论何时), wherever (无论哪里)Although milk is good,you should not drinktoo much of it.Whatever you want to be, you need to work hardto achieve it.(1) when引导的时间状语从句,主句是一般将来时或祈使句,表示将来的意义时,从句通常用一般现在时。
中考英语状语从句专题复习一、初中英语状语从句1.-What’s your opinion about friends?-They are like books. We don’t need a lot of them they’re good.A.as long as B.as soon as C.so that D.as if【答案】A【解析】【详解】句意“-关于朋友,你的观点是什么?-他们像书,只要他们好,我们不需要太多”。
A.只要(引导条件状语从句);B.一……就……(引导时间状语从句);C.目的是,为的是(引导目的状语从句);D.好像(引导方式状语从句)。
根据句意可知,译为“只要他们好”,引导条件状语从句,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.Rony will get a chance to work in this company ________ he doesn’t pass the interview. A.unless B.when C.if D.after【答案】A【解析】【详解】句意“除非罗尼没有通过面试,否则他将有机会在这个公司上班”。
A.除非;B.当……时候;C.如果;D.在……时候。
根据句意可知,表示“除非他没有通过面试”,故选A。
4.— 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 D.because【答案】A【解析】【详解】本题考查:副词辨析。
中考状语从句知识点归纳状语从句是英语中用来修饰动词、形容词、副词或整个句子的从句,它通常由一个引导词(如when, if, because等)引导,并在句子中承担时间、地点、原因、条件、目的、结果、让步等状语成分。
中考中,状语从句的考查是英语语法的重点之一,下面对中考状语从句的知识点进行归纳。
# 状语从句的分类1. 时间状语从句:表示动作发生的时间,常用引导词有when, while, as soon as等。
- 例如:When I arrived, he was still sleeping.2. 地点状语从句:表示动作发生的地点,常用where引导。
- 例如:Where there is a will, there is a way.3. 原因状语从句:说明发生某事的原因,常用because, since, as等引导。
- 例如:We are happy because we have achieved our goal.4. 条件状语从句:表示某事发生的条件,常用if, unless, provided that等引导。
- 例如:I will go to the party if I finish my homework.5. 目的状语从句:表示动作的目的,常用so that, in order that等引导。
- 例如:He studied hard in order that he could pass the exam.6. 结果状语从句:表示某事的结果,常用so...that, such...that 等引导。
- 例如:He was so tired that he fell asleep at his desk.7. 让步状语从句:表示尽管有某种情况,但仍然发生某事,常用though, although, even if等引导。
- 例如:Although it was raining, we still went out for a walk.# 状语从句的使用要点- 状语从句需要与主句在时态上保持一致,但有时主句使用将来时,从句使用现在时表示将来。
中考英语语法大全:状语从句状语从句1状语从句在复合句中,修饰主句中的动词、形容词或副词等的从句叫状语从句。
状语从句根据它表达的意思可分为时间、地点、原因、目的、结果、让步、比较(或方式)和条件等类。
1.时间状语从句引导连词有when,while,till,not…until,since,after ,before ,as soon asThe bus won’t start until everybody gets on.公共汽车直到每人都上车为止,才开动。
When he knocked at the door I was cooking.当他敲门时,我正在煮饭。
Last night before he came back home, his wife had already cooked dinner and waited for 2 hours.昨天晚上在他回到家之前,他的妻子已经做好晚饭足足等了他两小时之久。
After I went to church, I went shopping.2. 地点状语从句地点状语从句通常由where, wherever 引导。
Where there is a will, there is a way. 哪里有志向,哪里就有出路。
有志者事竟成。
Where there is a life, there is a hope. 哪里有生命,哪里就有希望。
留得青山在,不怕没柴烧。
Wherever you go, whatever you do, I will be right here waiting for you.不管你去哪里,不管你做什么,我都会在此守侯你。
3.原因状语从句引导连词有because,as, since。
He didn′t see the film because he had seen it.他没有看那部电影,因为他已经看过了。
They couldn’t get on the train,for it was too crowed.比较:because, since, as和for1) because语势最强,用来说明人所不知的原因,回答why提出的问题。
状语从句一、初中常见的状语从句二、时间状语从句1、as;when;while都有当...的时候,有时可以互换As/When/While she was a child,she lived in Paris.注意:(1)when引导的从句当中谓语动词可以是延续性动词,也可以是短暂性动词。
Eg:when i phoned him,he was reading a newspaper.(2)while引导的状语从句当中的谓语动词只能是延续性动词。
Eg:while i was sleeping,my father came in.(3)As意为“一边...一边”或“与...同时”强调两个动作同时发生。
Eg:they sang as they danced.(4)Till和until表示“直到...为止,在肯定句当中,主句谓语动词要用延续性动词,在否定句当中(not...until意为“直到...才”),主句的谓语动词常用终止性动词,这时until和till意思相当于before。
Eg:He visited until she finished speaking. Until比till正式,句首多用until。
Eg:until you come back,i won’t leave.(5)Since意为“自...以来”,since从句用一般过去时,主句多用现在完成时eg:we have known each other since we were children. 拓展:it is+一段时间+since从句(一般过去时)可以转换为“一段时间+has passed+since从句(一般过去时)”eg:it is five years since her father retired.=Five years has passed since her father retired.(6)Before 和after表示动作和事情先后关系的衔接词(7)As soon as表示“一...就”遵循主将从现eg:i will call you as soon as i arrived.2、原因状语从句原因状语从句用because(因为)since(既然)as(由于)for(因为)等词引导,这几个从属连词语气由强到弱(1)如果原因是构成句子的主要成分,一般用because,why提问because回答,此外because 从句多放在主句之后。
中考英语总复习状语从句知识点梳理及经典练习(超详细)含答案解析一、初中英语状语从句1.How can we improve our environment a lot each of us does something useful for it? A.while B.until C.after D.unless【答案】D【解析】【详解】句意:除非我们每个人都做一些有益的事情,否则我们如何才能大大改善我们的环境呢?考查连词辨析。
while当……的时候,表时间;until直到,表时间;after在……之后,表时间;unless除非,表条件。
本句是条件状语从句,根据句意结构和语境,可知选D。
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.There are fewer and fewer tigers in India. The situation will continue _______ humans stop hunting them for their fur and bones.A.if B.unless C.because D.since【答案】B【解析】试题分析:句意:印度有越来越少的老虎。
如果人类不停止为了虎皮和虎骨猎杀老虎,情况会继续。
A.if如果,表示条件;B.unless如果不,表示相反的条件;C.because因为,表示原因;D.since自从,表示时间的起点;既然,表示原因。
【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 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 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.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…that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 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.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 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.6. 目的状语从句(1)目的状语从句通常由 so that, in order that引导。
例如:We started early so that we could catch the first train.He studies hard so that he could work better in the future.We used the computer in order that we might save time.(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:Speak clearly so that they may understand you. (目的状语从句)Jack is badly ill so that he has to rest. (结果状语从句)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.(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.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.【实例解析】1. You will stay healthy _______ you do more exercise, such as running and walking.A. ifB. howC. beforeD. where答案:A。
该题考查的是引导状语从句的从属连词的选择。
从意思上看,从句应是一个条件状语从句,在这四个选项中只有if能引导条件状语从句,故选A。
2. ---Shall we go on working?---Yes, _________ I prefer to have a rest.A. whenB. ifC. becauseD. though答案:D。
该题考查的是引导状语从句的从属连词的选择。
从意思上看,只有选though才能说得通。
3. None of us knew what had happened _________ they told us about it.A. whenB. untilC. afterD. though答案:B。