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1、Welcome to my class,民勤职专 李晓华,辨别下列从句类型,1.I think he is right.2.That is why he is late for school.3.The boy who plays basketball is my brother.4.This is the farm where I worked.5.He didnt go home before he finished his homework.6.If it rains tomorrow,we will not go to the zoo.,Adverbial clause,状语从句是指句
2、子用作状语时起副词作用的句子。一般可分为八大类，分别表示为：时间状语从句 条件状语从句 原因状语从句 结果状语从句 目的状语从句 让步状语从句 比较状语从句 地点状语从句,状语从句简介,常用引导词：_,_,_,_ _._,_,_,_,_.,I will call you as soon as I arrive in Beijing.He had learned a little Chinese before he came to China.I will tell him everything when he comes back.4.Dont get off until the bus st
3、ops.5.I have worked in this school since I graduated from Beijing University.,1 时间状语从句,when as while as soon as,while before after since till until,when 主句和从句动作同时发生 before 之前 after 之后 as 并行发生，不分先后While 强调主句所表示的动作持续于while所指的整个时间内,John was watching TV，his wife was cookingHe sang happily he walked alon
4、g the river he got to the station，the train had leftHe had learned a little English he came to China he finished middle school，he went to work in a factory,常用引导词：,要点：引导条件状语从句的连词有if（如果）、unless（除非）等，unless在意义上相当于ifnot。条件状语从句也像时间状语从句一样，如果主句用将来时，从句要用现在时代替将来时。如：You will fail_ you study hard（You will fail
5、 if you dont study hard）除非你努力学习，否则你会失败。,2.条件状语从句,if unless as long as once,1.I will help you with your English if I m free.2.Once you remember the words，English is easy.As long as you are happy，I will be happy.Unless you put on a coat，you may catch a cold.,you do more exercise，you will be healthyHe
6、wont be here hes invitedMaths is very easy to learn you understand the rules,1.He didnt go to school because he was ill2.Since you cant answer the question Ill ask someone else3.As he is no car,he cant get there easily,常用引导词：_,_,_,because since as,比较:because常回答why引导的疑问句，该从句一般位于主句后；since比as正式，两者不回答wh
7、y引导的问句，而且其从句一般放在句首。如：1.Why cant I go？为什么我不能去？_ youre too young因为你年纪太小了。2._you are not feeling well，youd better stay at home 既然你不太舒服，还是留在家里的好。,3、原因状语从句,1-“why did Lilei use a pencil”-his pen was broken we have no money，we cant buy it he has no car，he cant get there easily,Exercise：,1.I havent heard f
8、rom him he went to American2.I will tell him the news he comes back3.He will not go to the cinema he is very busy4 it rains tomorrow，we will not go to the zoo 5.Dont leave the room you have finished the text6.Id like to go swimming the water is not too cold7.no one is against it，lets carry out our p
9、lan8.You will be late you leave immediately,thanks,。,常用引导词：_ _,_ _.,3 结果状语从句,so that such that,1 He got up so early that he caught the first bus.2 Its such a good chance that we must not miss it.3 He spoke so fast that I couldnt follow him,常用引导词：_ _,_ _ _,5 目的状语从句,so that in order that,1.We get up e
10、arly so that we can catch the first train 2.They used the computer in order that they might save time,常用引导词：,6 让步状语从句,though although even if even though no matter,1.Although its hard work，I enjoy it2.No matter what my brother wants,my father will give him3.We wont give up even if we fail many times
11、,常用引导词:,7.比较状语从句,as(同级比较),than(不同程度的比较)The more,the more.,She is as bad-tempered as her mother.The house is three times as big as ours.The more you exercise,the healthier you will be.,常用引导词：,8 地点状语从句,Where wherever,anywhere,everywhere,1.Air will be heavily polluted where there are factories.2.Wherev
12、er you go,you should work hard.3.Where there is a will，there is a way4.Wherever you go，I go too,1 It is 50 years the Peoples republic of China was founded A after B before C when D since2 The volleyball match will be put off it rains A even if B so that C if D when 3.You will be late you leave immed
13、iately A unless B until C if D or,【考点1】区分when，if引导宾语从句和状语从句的不同：when引导时间状语从句意为“当时候”，引导宾语从句意为“什么时候”；if引导条件状语从句意为“如果”，引导宾语从句意为“是否”。如：1Mike wants to know if _ a picnic tomorrow YesBut if it _，well visit the museum instead Ayou have；will rain Byou will have；will rain Cyou will have；rains Dwill you have；r
14、ains 2Do you know when he _ back tomorrow？Sorry，I dontWhen he _ back，Ill tell you Acomes；comes Bcomes；will come Cwill come；comes Dwill come；will come,九、对状语从句和宾语从句、简单句、并列句的混合考查,答案1】1C 2C:,选择题,1）It _ ten years since they _ to France.Aas；covered Bwas；have moved Cis；have moved Dis；moved 2）He _ wait unti
15、l the rain _ Awont；will stop Bwont；stop Cwill；stops Dwill；will stop 3）He will go to the Great Wall if it _ tomorrow Awont rain Bdoesnt rain Cdont rain Disnt raining 4）_ you eat old food，you may be ill ABefore BWhy CIf DWhich 5）Jack runs as _ as Tom Afast Bfaster Cfastest Dmuch f6）30，000dollars is a
16、large amount of money，but its _ than we need Afor moreBvery much Cfar less Dvery little,答案:1)D 2)C 3)B 4)C 5)A 6)C,7）Miss Gao asked a question，but it was _ that nobody could answer it Avery difficult Btoo difficult Cdifficult enough Dso difficult 8）I cant understand this passage _ there are no new w
17、ords in it Aif Bbecause Cthough Dand 9）“Why did Li Lei use a pencil？”“_ his pen was broken”ABecause BWhen CUntil DIf,答案:7)D 8)C 9)A,选择题,谢谢合作!再见!,总结、状语从句常见引导词,1)when，while，as的区别：三者均可表示“当的时候”，如果主句表示的是短暂的动作，而从句表示的是一段时间，三者可通用。as和when都可与终止性动词连用，while只能与延续性动词连用。如：It was snowing _ we got to the airport当我们到达机场时，天正下着雪。（不能用 while）as强调主句与从句表示的动作同时发生；while强调主句表示的动作持续于while所指的整个时间内；when可指主、从句所述动作同时或先后发生。如：He sang as he went along他边走边唱。Please write_ I read我读的时候，请写下来。_ he reached home，he had a little rest回到家后，他休 息了一会儿。,疑点解释,
