《初中英语状语从句精讲.pptx》由会员分享,可在线阅读,更多相关《初中英语状语从句精讲.pptx(37页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、考点揭密考点揭密 在复合句中修饰主句中的动词、形容词或副词或句子,起状语作用的从句。由从属连词引导,从属连词在从句中不充当句子成分。状语从句可置主语之前,也可置主语之后。前置时,从句后用逗号与主句分开;后置时,与主句之间无标点符号。状语从句可分为时间、原因、目的、结果、条件、比较、地点、让步、方式等九类。e.g.If you go to the party,you will have a good time.e.g.You will have a good time If you go to the party.第1页/共37页中考考点设置中考考点设置1.时间状语从句(1)引导词:when,w
2、hile,as,before,after,as soon as,until/till,since.e.g.Mother was cooking dinner when I reached home.(when“当的时候”)e.g.While the girl was shopping,the UFO landed.(While“当的时候”)第2页/共37页e.g.Dont close the window before you go to bed.(before 在之前)e.g.As he was reading,he was listening to the radio.(As“一边一边”)
3、e.g.After I had done my homework,I went to bed.e.g.The Greens has lived here since they came to China.(since 引导的时间壮 语从句若用一般过去时,主句则用现在完成时第3页/共37页 时间壮语从句中若用一般将来时,从句 则用一般现在时表示将来,即遵循“主将 从现”的原则。e.g.I will write to you as soon as I get to Beijing.e.g.I will tell him when he comes back.注意e.g.I wont go to b
4、ed until I finish my homework.第4页/共37页(3)not.until(3)not.until的同义句替换。的同义句替换。notuntil notuntil在否定句中在否定句中表示表示“直到直到才才”,主句中的动词常用主句中的动词常用终止性动词终止性动词,这时这时till/untiltill/until可用可用beforebefore替换替换 till/until 在肯定句中表示“直到为止”主 句中动词用延续性动词 e.g.I waited till/until he arrived.(wait是一个延续性动词)e.g.I didnt leave until/ti
5、ll/before she came back.(leave是个短暂性动词)第5页/共37页 practice:1.I will go to bed as soon as I _my homework.A.will finish B.finishing C.finishC 4.I will not watch TV until I finish my homework.=I will not watch TV _ I finish My homework.before第6页/共37页2.My sister _(read)her bookin the classroom when her tea
6、cher came in.was reading3.I my_(do)homework while my parents_(watch)TV last night.was doingwere watching第7页/共37页(3)if.not与unless(=ifnot)及or的同义句转换。(2)遵循“主将从现”的原则,(即主句若为一般将来时,从句用一般现在时代替将来。)2.条件状语从句(1)引导词:if,unless.e.g.If I am free,I will call you.e.g.If it doesnt rain,we will go for a walk.unless是从属连词
7、,它引导条件壮语从句,译作“除非否则的话”e.g.You will be late for class unless you start right now.除非你现在出发否则的话年上学就会迟到的。e.g.You will not succeed unless you work hard.第8页/共37页小结:“祈使句+or+一般将来时的陈述句”结构中,Or表示转折,译作“否则,不然的话”相当于一个否定的条件状语从句。相当于If you dont(cant),you will例句.Study harder,or you will fail the exam.=If you dont study
8、 harder,you will fail the exam.=Unless you study harder,you will fail the exam.例句.Hurry up,or you will be late.=If you dont hurry up,you will be late.=Unless you hurry up,you will be late.第9页/共37页 practice:1.If you _ to the party,you_ have a good time.go will 2.She _next Sunday if she_ busy.will go
9、shoppingwont be第10页/共37页3.Please hurry up,or you will miss the train.=_you _ hurry up,you will _ the train.=_ you hurry up,you will miss the train.4.Water the young trees as often as Possible,or they will die soon.=_you _ water the young trees as often as possible,they will die soon.=_ you water the
10、 young trees as often as possible,they will die soon.Ifdont UnlessIfdont Unlessmiss第11页/共37页中考考点设置中考考点设置3.原因状语从句(1)引导词:because,since,as.(2)对because 原因状语提问用“why”。(3)because 不能与so连用。(4)because,since,as,for的区别:第12页/共37页 Why are you standing here?-Because Im waiting for my uncle.because 从句所表示的是对方不知道的直接的
11、原因,因此在回答以why引导的特殊疑问句时只可用because,它引导的从句可以位于主句前或主句后.而as,since 引导的从句却不可;例句:Li Hong didnt go to school yesterday,because he was ill.第13页/共37页 as从句所表示比较明显的原因和理由(由于,既然)这种原因一般是大家知道的,一般从句说明原因,主句说明结果。其从句位于主句之前,since用来表示比较勉强的理由和原或原由已为人们所知。e.g.As the water was not deep,we were able to cross the river.(从句说明原因,主
12、句说明结果)e.g.AS I knew he was ill,I didnt call him.e.g.Since everybody is here,lets bigin the meeting(“大家都在这里”的原由已为人们所知)e.g.Since you cant answer the question,(原由已为人们所知)Ill ask someone else.第14页/共37页for往往用于附加理由证明。所说的理由是一种补充说明。分句前常有逗号,其引导的分句不可放于句首。例句:Its spring now,for the flowers are out.Practice:1.Why
13、 hasnt Mr.Li come to work today.-_he has gone to Beijing to have a meeting.A.If B.Until C.Though D.Because2.I decided to stop and have lunch,_ I was feeling quite hungry.A.Because of B.for C.AsDB第15页/共37页3.Because he was ill,he didnt_ go to school.A.so B./4.A.I stayed at home because of the weather
14、was bad.()B.I stayed at home because the weather was bad.()C.I stayed at home because of the bad weather A ()AFTT第16页/共37页中考考点设置中考考点设置例句:She is so great a father that we all like him.4.目的状语和结果状语(1)目的状语从句引导词:so that从句中常用情态动词(can/could)E.g.Speak slowly so that we can understand you.(2)结果状语从句引导词:so+adj
15、+that,such+n+thatso+adj+a+n(名单)+that例句:It is so red an apple that I want to eat it.so+adj+an+n(名单)+that(3)so与such的区别第17页/共37页 She is such a great father that we all like him.such+a+adj+n(名单)+thatIt is such an red apple that I want to eat it.such+an+adj+n(名单)+that小结:so+adj+a/an+n(单数)+that such+a/an+a
16、dj+n(单数)+that1.It is _small a room _it cant hold so many People.A.so that,B.suchthat=It is _ a small room _it cant hold so many People.A.so that,B.suchthat Practice:AB第18页/共37页2.He is _young a boy_ he cant carry the box.He is _ a young boy _ he cant carry the box.A.so that,A.suchthat例句:It is such fi
17、ne weather that people can go swimming.such+adj+n(不可数)+that例句:There are such beautiful flowers that we want to Pick it.such+adj+n(pl)+that小结 such+adj+un/n(pl)+thatAB第19页/共37页I have so little money that I cant buy the book.We have so many friends that we feel happy.We have so much homework that we ti
18、red.小结小结:一般情况下一般情况下,suchthat结构中用名词结构中用名词,但是但是,如果名词是用如果名词是用little,few,many,much等等 修饰时修饰时,要用要用so来表示来表示.“如此如此”so little(如此少如此少)+u so few (如此少如此少)+cn so many(如此多如此多)+cn so much(如此多如此多)+u注意注意:little 若放在可数名词前若放在可数名词前,译作译作“小小”,而不是而不是“少少”要用要用such来表示来表示.第20页/共37页Review:so+形形+a/an+名名(单数单数)such+a/an+形形+名名(单数单数
19、)so+many/much/few/little+形形+名名 such+形形+不可数名词不可数名词/可数名词复数可数名词复数 Practice:1.Mary had _to do that she was busy all day.A.So many work B.such much work2.They were _little boys that they couldnt go to school.A.so B.such3.All of us feel surprised that he was _little boy eat_ _much food.A.so,so B.such,soBB
20、suchso第21页/共37页(4)so.that与too.to和.enough to间转换 tooto 可与not enough注意:1.所修饰词和所修饰的词是一对反义词.2.转换时too放在所修饰词之前.too+adj enough放在所修饰词之后.adj+enoughe.g.The boy is so young that he cant go to school.=The boy is too young to go to school.=The boy is not old enough to go to school.第22页/共37页Practice:1.The room is
21、small hold so many people.=The room is to hold so many people.=The room is small it cant hold so many people.too to not big enough sothat第23页/共37页中考考点设置中考考点设置 5.让步状语从句 (1)引导词:though/(although),even though/if.(2)though/不能与but连用。请判断正误,对的写“T”,错误的写“F”。A.Though I like looking after her,but she doesnt let
22、 me do it.()B.Though I like looking after her,she doesnt let me do it.()C.I like looking after her,but she doesnt let me do it.()F TT第24页/共37页6.比较状语从句 (1)引导词:as.as,not as(so).as,than (2)not as(so).as与than的同义句替换。(3)as.as,not as(so).as中间用形容词或副词的 原形。7.地点状语从句 (1)引导词where,wherever.(2)wherever=no matter w
23、here8.方式状语从句 引导词:as if,as though.第25页/共37页第26页/共37页【例例1】Lucy knew nothing about it _her sister told her.2003 河北省河北省 A.because B.until C.if D.since 典型例题解析典型例题解析【例例3】The young man travelled all over the world he had a man-made leg.2003 河南省河南省 A.though B.if C.as D.because B【例例2】Other people wont be ple
24、ased if he the queue.2003 河南省河南省 A.will jump B.jumps C.jump D.jumped BA【例例4】The students will go to Summer Palace if it tomorrow.2003 甘肃省甘肃省 A.dont rain B.wont rain C.doesnt rain D.isnt rain C 第27页/共37页【例例7】David was so careless that he didnt find the mistakes in his test paper.(改为简单句改为简单句)2003 福州市福
25、州市 David was_careless _ find the mistakes in his test paper.【例例5】The driver hurt the girl_badly_she had to see a doctor.2003 新疆新疆 A.so,that B.either,or C.too,to D.neither,nor 典型例题解析典型例题解析A【例例6】Mrs Read didnt sleep well last night because the wind made too much noise.对句子划线部分提问对句子划线部分提问)_Mrs.Read _wel
26、l last night?too toWhy didntsleep第28页/共37页.单项选择单项选择1.He was_angry to hear the news that he couldnt say a word.A.so B.too C.very D.much2.Because his mother was ill,_he must stay at home to look after her.A./B.so C.that D.either3.Though the workers were very tired,_they went on planting trees.A.and B.
27、but C./D.so4.They didnt watch TV_they finished their homework.A.after B.when C.until D.as课时训练课时训练(B)(A)(C)(C)第29页/共37页课时训练课时训练5.Ill write to you as soon as I_Beijing.A.get to B.arrive C.will get to D.will arrive6.Well have a trip if it_rain.A.wont B.will C.dont D.doesnt7._you hurry up,or we will be
28、late for school.A.If B./C.Unless D.When8.He saves money_he can buy some birthday presents for his mother.A.so B.so that C.such that D.in order9.Why are you late for school?_ I got up late.A.Because B.For C.Since D.As(A)(D)(C)(B)(A)第30页/共37页10.The flowers_well if they_.A.wont grow,dont take good care
29、 of B.dont grow,are taken good care of C.dont grow,dont take good care of D.wont grow,are not taken good care of课时训练课时训练(D)11.He asked_many strange questions that the teacher didntt want to teach him any more.A.so B.such C.too D.very(A)12.Ann is so careful that she always goes over her exercises to
30、there are no mistake.A.look for B.make sureC.find out D.think about(B)13.I have my own car,so I_drive where I want to go.A.must B.have C.need to D.can(D)第31页/共37页14.The old man was quite weak after the accident,so he A.must be takes care of B.must take care of C.must be looked after D.must look afte
31、r15.The man had gone away _ the old man said thanks to him.A.that B.so C.until D.before课时训练课时训练CD第32页/共37页.句型转换,将下列各句改为同义句句型转换,将下列各句改为同义句1.Hurry up or youll be late for school._you _hurry up youll be late for school._you hurry up,youll be late for school.2.Ill do my homework when my mother comes bac
32、k.I_ do my homework _my mothercomes back.3.This question is so hard that no one can answer it.This is_ _ _that no one can answer it.4.Because he was ill,he didnt go to school.He was ill,_he didnt go to school.5.Though he was tired,he went on working.He was tired,_he went on working.课时训练课时训练 If dont
33、Unless wont until such a hard so but 第33页/共37页6.The ice on the lakez was so thin that people couldnt skate on it.The ice on the lake was _thick _ _people_ _ _.7.The girl was too excited to say a word.The girl was _excited_he couldnt say a word.8.The men was so old that he couldnt climb the hill.The
34、man was _old _climb the hill.9.unless you are brave youll lose your chanc._you _brave,youll lose your chance._brave,_ youll lose your chance.10.The weather is so fine that people can go out for a walk.It is_ _ _that people can go out for a walk.课时训练课时训练 not enough forto skate on so that too to If ar
35、e Be or such fine weather第34页/共37页11.Its such a small room that it cant hold too many people.Its _ _ _room that it cant hold too many people.12.He had breakfast before he went to school.He _ _breakfast _he went to school.13.When he was 12,he started writing his own newspaper._ _ _ _12,he started writing his own newspaper.课时训练课时训练so small adidnt have until At the age of第35页/共37页第36页/共37页谢谢您的观看!第37页/共37页