2022年中考英语复习状语从句ppt课件.pptx

1、连词连词 含义及用法含义及用法 例句例句before在在之前。表示主句之前。表示主句的动作发生在从句的动的动作发生在从句的动作之前作之前They need to think before they act and make good decisions for themselves.when当当的时候；引导的的时候；引导的从句可以用延续性动词，从句可以用延续性动词，也可以用短暂性动词也可以用短暂性动词When it began to rain,Ben was helping his mom make dinner.1.引导时间状语从句引导时间状语从句连词连词 含义及用法含义及用法 例句例句wh

2、ile正当正当时；正在时；正在时。引时。引导的从句中，谓语动词必须是导的从句中，谓语动词必须是延续性动词，且常用进行时延续性动词，且常用进行时While John was taking photos,Mary bought a drink.as当当时。表示一件事情正在时。表示一件事情正在发生，另一件事情也在进行中，发生，另一件事情也在进行中，通常只用于一般过去通常只用于一般过去As time passed,things seemed to get better.after在在之后。表示主句的动作之后。表示主句的动作发生在从句的动作之后发生在从句的动作之后He became an English

3、 teacher after he graduated from school.连词连词 含义及用法含义及用法 例句例句until/till直到直到。常用在。常用在“not.until.”结构中，表示结构中，表示“直到直到才才”Im really tired because I studied until midnight last night.since自自以来。主句用现在完以来。主句用现在完成时，从句用一般过去时成时，从句用一般过去时Youve been happy since I first met you.as soon as一一就就。引导的从句。引导的从句常用一般现在时，主句用一常用

4、一般现在时，主句用一般将来时般将来时I will give you a call as soon as I arrive home.连词连词 含义及用法含义及用法 例句例句if “如果如果”。从句用一般。从句用一般现在时，主句通常用现在时，主句通常用一般将来时一般将来时 If he practices it,his handwriting will certainly improve2.引导条件状语从句引导条件状语从句连词连词 含义及用法含义及用法 例句例句unless“如果不，除非如果不，除非”。unless可以转化为可以转化为if.not.结构。结构。主从句时态与主从句时态与if用法一致用

5、法一致 Unless you get enough sleep every night,you will not remember things well.as long as“只要只要”。主从句时态与。主从句时态与if用法一致用法一致 You wont have to worry about the final exam as long as you work hard.连词连词 含义及用法含义及用法 例句例句though虽然。引导让步状语虽然。引导让步状语从句时，不能与从句时，不能与but同时使用同时使用Though we are going to part,our friendship

6、will always remain.3.引导让步状语从句引导让步状语从句连词连词 含义及用法含义及用法 例句例句although尽管。引导让步状语从句尽管。引导让步状语从句时，不能与时，不能与but同时使用同时使用Although milk is good,you should not drink too much of it.even though/if即使。引导让步状语从句即使。引导让步状语从句时，不能与时，不能与but同时使用同时使用 Even though I am sad that junior high is over,I look forward to new experien

7、ces in senior high!4.引导原因状语从句引导原因状语从句连词连词含义及用法含义及用法例句例句because因为，表示造成某种情况的因为，表示造成某种情况的直接原因，回答直接原因，回答why引导的问引导的问句，不能和句，不能和so同时使用同时使用I often exercise at the park because I love the clean air and sunshine.since既然，语气比既然，语气比because弱，表弱，表示对方已知或众所周知的原示对方已知或众所周知的原因因Since we have no idea about this problem,l

8、ets ask Mr.Wang for help.as由于，因为。语气比由于，因为。语气比since弱，弱，表示众所周知的原因，引导表示众所周知的原因，引导的从句位于主句前后均可的从句位于主句前后均可As it was getting late,I decided to leave now.5.引导方式状语从句引导方式状语从句连词连词 含义含义 例句例句as照照的的方式方式You will work out this problem faster if you do as what I told you.as if/though似乎，好似乎，好像像Everything in my childh

9、ood crowded in my mind as if they had just happened.6.引导结果状语从句引导结果状语从句连连词词含义含义用法用法例句例句so.that.如此如此以至于以至于 so修饰的中心词是修饰的中心词是形容词或副词，结形容词或副词，结构为构为“soadj./adv.that.”。可与。可与too.to结构互换结构互换He was so angry that he couldnt say a word.He was too angry to say a word.连连词词含义含义用法用法例句例句such.that.如此如此以以至至于于 such修饰的中心词

10、是名修饰的中心词是名词，结构为词，结构为“sucha/anadj.可数名词可数名词单数单数that.”或者或者“suchadj.不可数名不可数名词词/可数名词复数可数名词复数that.”She is such a lovely girl that everyone around her likes her.She is so lovely that everyone around her likes her.7.引导目的状语从句引导目的状语从句连词短语连词短语含义及用法含义及用法例句例句so that“以便以便”。后接从句，。后接从句，只能用于句中只能用于句中 They sped up so

11、that/in order that they could get there on time.in order that“为了为了”。后接从句，。后接从句，可用于句首或句中可用于句首或句中练一练1.A car suddenly appeared around the corner _ the lights were changing to red.A.after B.before C.while D.until3._ my grandpa is over 80 years old,he still looks strong and healthy.A.Although B.Because C

12、.Unless D.SinceCA2.Mom wont let Dick go out _ he promises to be back by 10：00 tonight.A.if B.when C.since D.unlessD1.主将从现：主句用一般将来时，从句用一般现在时主句用一般将来时，从句用一般现在时If it rains tomorrow,I will not go to the park.2.主祈从现：主句主句是祈使句是祈使句时，从句用一般现在时时，从句用一般现在时Please let me know if he comes.3.主情从现：主句主句有情态动词有情态动词时，从句用一

13、般现在时时，从句用一般现在时You should eat something if you feel hungry.在在时间状语从句和条件状语从句时间状语从句和条件状语从句中，主句和从句的时态一致问题一般有中，主句和从句的时态一致问题一般有三种情况：三种情况：1.-What will Bill do if he _in the test?-He will try again.A.fail B.fails C.will fail D.is failing 2.Please tell her the news when she_.OK,I will.A.comes B.will come.C.come D.would come 3.The students will plant trees if it _ tomorrow.A.didnt rain B.hasnt rained C.wont rain D.doesnt rain练一练练一练总结：状语从句的解题思路：状语从句的解题思路：分析句子是否完整，确定从句类型分析句子是否完整，确定从句类型分析主从句的逻辑关系，找准引导词分析主从句的逻辑关系，找准引导词注意时态问题注意时态问题Thank you!Thank you!