2022年中考英语状语从句知识点讲解(原版).docx

状语从句知识点讲解定义：在句中作状语的从句叫状语从句，修饰主句中的谓语局部。考点：状语从句有九种，其主要考点为各类连接词，理解句子即可。分类连接词时间状语从句when, while, as, before, after, since, until/till, not.until, as soon as条件状语从句if, unless, as long as地点状语从句where, wherever原因状语从句because, since, as目的状语从句so that, in order that结果状语从句so.that, such.that让步状语从句although/though, even if? though, wh-+疑问词，no matter+疑问词比拟状语从句asas, not as/soas,than方式状语从句as,as if, as though一、时间状语从句(1) when/while/as1) when引导的时间状语从句意为“当时候”，表示从句和主句的动作先后或 者同时发生。从句中的谓语动词可以用短暂性动词也可以用延续性动词。例如 ：When the teacher came in, we were talking.When I first arrived on this country, I had nothing.2) While引导的时间状语从句意为“当时候二 表示从句和主句的动作同时发 生。从句中的谓语动词必须用延续性动词。例如：I was sleeping while Tom was watching TV.3) as弓|导的时间状语从句意为“一边一边”，强调主句和从句的动作同时发生。 例如：She sang as she worked.练一练：1.you came in, I was talking with a few boys.1.1 t started to rain we were playing outdoors.3 .They talked they walked down the river.4 .it was raining, the students were playing basketball.5.Tom watched TV he ate supper.(2) before指主句的动作发生在从句的动作之前。after指主句的动作发生在从句的动作之后。例如：Ill be backbefore.你离开之前我就会回来。What will you do after you graduate?你毕业之后想要干什么？(3) since引导的时间状语从句，从句的谓语动词通常为一般过去时，主句的 谓语动词通常为现在完成时例如:He has been worried since the letter arrived.自从收到信,他就一直很担忧。(4) till和until同义，意为直到，till多用于非正式文体，until多用于句首;其主 句的谓语通常是延续性动词。当主句的谓语是短暂性性动词时，通常用否认形式, 即not until,意为直到才。、例如：He waited until she had finished speaking.I wont go with you untill finished my homework.(5) as soon意为一就，表示从句的动作一发生，主句的动作立马就发生。 例如：As soon as we get there, he will tell us the news.我们一到那，他就会告诉我 们那个消息。二、条件状语从句(1) if引导的条件状语从句意为如果。例如：Ifl were you, Id start looking fbr another job.(2) unless意为除非，相当于if.not。例如：I sleep with the window open unless its really cold.(3) as long as意为只要例如：Well go as long as the weather is fine.注意:含有时间和条件状语从句的复合，需遵循主将从现的原那么。例如：Ill tell you everything when I come back.练一练：1. Til ring you up as soon as I (get) to New York.2. .1 will tell him everything when he(come) back.3. He wont believe it until he(see) it with his own eyes.4. 一Shall we go climbing the hill this weekend?Good idea! We will go climbing if it.A. wasn9t raining B. isn,t raining C. doesnt rain D. wont rain5. -Could you ask him if he to my birthday party next Sunday?-I will, if I him this afternoon?A. comes; meetB. will come; will meetC. comes; will meet D. will come; meet三、地点状语从句常用 where 弓【导，例如：The bus will take you where youre going.四、原因状语从句常由because, since, as引导。because引导的从句语气最强，since比because弱， as的语气最弱，附带原因和理由。例如： The food taste great because I am so hungry.Since no one is against it, well do that.As you were go out, I left a message.五、目的状语从句常由in order that/so that引导,意为“为了，目的是“。例如： Heshould talk to his friend so that he can say hes sorry.I am saving money in order that I can buy a car.六、结果状语从句连接词：sothat; suchthat.如此以致于”such和so用法辨析：用法常用结构such修饰名词such a/an +形容词+可数名词单数such+形容词+名词so修饰形容词或副词SO+形容词+a/an+可数名词复数so+ many/few /much/little +名词例如 ：Such a little girl can speak so many languages.This is such a useful bookthat everyone likes it.七、让步状语从句连接词though/although引导的从句意为虽然，即使，不能和but连用。even if/ even though意为即使，语气更强。疑问词+ever可以和no matter +疑问词互换。例如： Although shes wrong, its not a big deal.rilgo there, even if I have to walk.Whatever decision he made I would support it.八、比拟状语从句在句中表示比拟的从句，常由as, than引导。例如：Maybe by the end of this term, you will be as tall as I am.The result was better than I expected.九、方式状语从句在句中表示方式的从句，常由as, as if, as though引导。例如：You should do as Paul tells you.He treats his elder brother as if he was a stranger.