英语语法之 状语从句
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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。
英语语法:状语从句状语(adverbial,简称adv.)是句子的一个重要修饰成分。
是谓语里的另一个附加成分,从状况、时间、处所、方式、条件、对象、确定、否定、范围和程度等方面对谓语中心词进行修饰、限制。
我在这里整理了相关学问,快来学习学习吧!英语语法:状语从句一、时间状语从句1、when的用法(1)when既可引导一个持续性动作,也可引导一个短暂性动作,可用于表示主句和从句动作同时发生或从句动作先于主句动作,有时还可表示从句动作后于主句,意为“当。
时候”。
(2)when在be about to do。
when。
,be doing。
when。
,had done。
when。
,be on ones way。
when。
,be on the point of doing。
when。
等结构中,作“那时突然”讲。
(3)when “既然、鉴于;尽管,虽然(位于主句之后);假如”2、while的用法(1)表示“当。
时候”,引导的动作必需是连续性的。
(2)用作并列连词,表示相对关系“然而”。
(3)引导让步状语从句,相当于although,意为“虽然”,位于主句前。
(4)引导条件状语从句,相当于as/so long as,意为“只要”。
3、as 的用法(1)表示“当。
时候”,强调同时发生,不指先后。
(2)说明两种正在进展或变化的状况,表示“随着”,表示时间的推移。
(3)表示“一边。
一边。
”。
(4)强调两个动作紧接着发生。
(5)表示“虽然,尽管”。
(6)其他含义“正如,正像”,“作为”,“由于,由于”。
4、before的用法(1)一般意为“在。
之前”“。
才”,“。
就”“还没有。
”“免得”“不知不觉”“宁可,宁愿”,“否则,要不然”。
(2)It + will be/was + 时间段+before+一般现在时/一般过去时。
在确定句中,意为“多长时间之后才”;在否定句中,意为“用不了多长时间就”。
5、until和till(1)与确定句连用,必需是连续性动词。
状语从句一、什么是状语从句?指在复合句中修饰主句的动词、形容词或副词的从句。
二、状语从句的类型和用法○ 时间状语从句1)由下列连词引导的时间状语从句。
when, as, while, after, before, until, till, since, eversince, once, as soon as, hardly…when...,no sooner…than…等如:1. She has saved more than twenty people’s lives since she becamea doctor.2. I’ll give the note to him as soon as I see him.3. Once Aristotle had made up his mind that heavy objects alwaysfell faster than light objects, he taught it as a truth to hisstudents.2)由下列名词短语引导的时间状语从句。
each time, every time, the first time, the last time, themoment, the minute, the second, the day等如:1. The moment he entered the room, Bill fixed the chain across the door.2. Every time he came to Shanghai, he would pay a visit to her.3. He left a deep impression on me the first time I met him.4. Be sure to call on us next time you come here.5. She is going to call on you the day she arrives.3)由下列副词引导的时间状语从句。
状语从句详解1. 时间状语从句在句中相当于时间状语的从句叫时间状语从句, 常由as soon as, when, while, as, after, before, since, ever since, until, every time, each time, next time等引导。
While I played the piano, sister did her homework. 我在谈钢琴,姐姐在做功课.You can’t leave until you go through with your work. 不完成这项工作你不能走。
注意: 1. 用until引导时间状语从句时, 主句应用可持续性动词,如果主句是非持续性动词,则主句用否定形式. 如:I won’t go until you come back. 你回来了我再走.2. 在时间状语从句中,常用一般现在时表示一般将来时, 用一般过去时表示过去将来时. 如:Don’t forget to bring your camera here when you come. 你来的时候别忘了带相机.3. 在由since 引导的时间状语从句中,主句用现在完成时,从句用一般过去时. 也可用“It is + 一段时间+ since (引导一般过去时的从句)”句型. 如:He has worked in that company since he graduated from Wuhan University. 他毕业以来就一直在那个公司工作.2.地点状语从句在句中相当于地点状语的从句叫地点状语从句.引导地点状语从句的常用词有where, anywhere, somewhere等.Make marks where you have questions. 在有问题的地方作出标记.You can go anywhere you like. 你可以到你想去的任何地方.Where there is a will, there is a way. 有志者事竟成.3. 原因状语从句在句中相当于原因状语的从句叫原因状语从句. 引导原因状语从句的常用词有because, as, since, for 等.Roman was absent from school because he was ill. 罗曼病了, 没有上学.As Parker was in a hurry, he left this bag home. 由于派克太匆忙才把包丢家里了. Since everyone makes mistakes, you shouldn’t always criticize him. 既然每个人都会犯错误, 你不该总是批评他。
4. 目的状语从句在句中相当于目的状语的从句叫目的状语从句. 常用in order that, so that引导, 译为“为了,以致, 以便”.Rhonda spoke very slowly in order that we could follow. 朗达讲话很慢, 以便我们大家都能跟上.We’ll sit in the front of the hall so that we can hear more clearly. 我们坐在大厅的前面,以便听得更清.5. 结果状语从句在句中相当于结果状语的从句叫结果状语从句.常用来引导结果状语从句的引导词或短语有so that, so…that, such… that等, 译为“如此……以致于”, “结果”. Miss Gao is so kind that we all respect her. 高老师很和蔼,我们都很尊敬她.This was such fine music that it was worth listening to twice. 这音乐太好了, 值得听两遍.6. 条件状语从句在句中相当于条件状语的从句叫条件状语从句. 常用来引导条件状语从句的连词有if, unless, as/so long as, once等.If you correct all your mistakes, your work is nice. 如果你能把所有的错误改正, 你的工作就很出色.As long as you promise to go, I’ll surely go. 只要你答应去, 我当然去.Once you begin, you must continue. 你一旦开始,便不可停下来.You cannot succeed unless you work hard. 如果不努力,你是不会成功的.注意:由if 引导的条件状语从句,不管主句是用一般将来时还是一般现在时,或当主句是祈使句时, 从句都用一般现在时; 主句是过去将来时, 从句用一般过去时. If the weather is fine tomorrow, we’ll go hiking. 明天天气好的话, 我们就去徒步旅行.7. 让步状语从句在句中相当于让步状语的从句叫让步状语从句, 常用的引导词有though, although, even though, even if, whatever, whichever, whoever, whomever, whosever, whenever, wherever, however 等.Although/ Though Toby works very hard, (yet) she makes very slow progress. 尽管托比很努力,但进步还是不大。
Even though/ if you say so, I do not believe it. 即使你这么说,我也不信. Whatever you do, you should do it well. 不管做什么事, 都要做好.8. 比较状语从句用来进行比较的状语从句叫比较状语从句,常用来引导比较状语从句的连词有as…as, not as/so …as, than等.Carol speaks English as well as you do.卡罗尔英语说得和你一样好.He does not run so fast as his brother. 他不如他弟弟跑得快.Burton was more successful than we had expected. 伯顿比我们想象的要成功得多.9. 方式状语从句在句中用作方式状语的从句叫方式状语从句, 常用来引导方式状语从句的连词主要有as, as if, as though等.You should do as I tell you.你应当按我告诉你懂得去做.It looks as if/ as though it is going to rain. 看来要下雨了.练习1. If it sunny tomorrow, I fishing in South Lake.A. is, goB. will be, goC. is, will goD. will be, will go2. –I’m sorry to hear that Bill failed exam again.-Don’t worry about him. I’m sure that he will never give up until he.A. succeedB. succeedsC. succeeded3. –Lucy, what about going camping if it tomorrow?-Sounds great!A. didn’t rainB. doesn’t rainC. won’t rainD. hasn’t rain4. There is going to a sports meeting next week. If it , we’ll have tocancel it.A. be, will rainB. have, will rainC. be, rains5. –Could you please tell Peter that I want to talk to him?-Sure. I will let him know as soon as he back.A. comesB. cameC. has comeD. will come6. You’ll do much better you’re more careful with your spelling.A. ifB. beforeC. althoughD. unless7. Peter was tired that he couldn’t continue running.A. veryB. tooC. so8. It was snowing hard, we had to stay at home and watch TV.A. thatB. soC. butD. because9. –Why did you come to school late this morning?- I watched the Football World Cup until 12 o’clock last night.A. IfB. BecauseC. SinceD. though10. My grandma didn’t go to sleep I got back home.A. whereB. untilC. as soon asD. while11. –Mary, what about going boating if it tomorrow?-Good idea.A. not rainB. will rainC. doesn’t rainD. won’t rain12. Ask your friend to call me back as soon as she back tomorrow.A. will comeB. comesC. coming13. –Jack, you look tired today. What’s wrong?-I was busy I didn’t go to bed until midnight yesterday.A. too, toB. enough, toC. so, thatD. such, that14. –Tell him about the news when he , John. –Yes, I will.A. comesB. will comeC. would comeD. is coming15. I tried to call you I heard from him, but you were not in.A. sinceB. whileC. untilD. as soon as16. It ten years since we last in Beijing.A. was, metB. has been, metC. was, meetD. is, meet17. None of us knew what had happened we heard the news on radio.A. afterB. untilC. when18. Mrs Shute wouldn’t leave the TV set, her children were waiting for theirsupper.A. ifB. becauseC. even thoughD. as soon as。