《语法之状语从句学生版.ppt》由会员分享，可在线阅读，更多相关《语法之状语从句学生版.ppt（28页珍藏版）》请在三一办公上搜索。
1、状语从句the Adverbial Clause,时间状语从句地点状语从句原因状语从句条件状语从句,让步状语从句结果状语从句目的状语从句方式状语从句,常见引导词：when,as,while,before,after,since,till(until),as soon as,the moment,注意：在由以上连接词或词组连接的主从复合句中，主句谓语动词所表示的动作和从句谓语动词所表示的动作有时是同时发生，有时是先后发生。因此在理解此类句子时要特别注意主句和从句的谓语动词的时态。,时间状语从句,1.when 引导的从句：表示主句的动作和从句的动作同时发生，或从句的动作发生在主句动作之前。有时wh
2、en等于and at this time.例如：I was going out when a visitor came.(动作同时发生）They continued their way when the snowstorm had passed.(动作不同时发生）,2.as 引导的从句：表示“当时”或“一边,一边”,主句和从句的动作同时发生。e.g.Will you drop the letter in the box as you go past the post?As the students walked along the lake,they sang happily.,3.while
3、 引导的从句：表示”当过程中“，强调某一段时间内主语和从句中谓语动词所表示的动作在同一时期发生。e.g.While we were watching TV,Mr.Li came in.,4.before 引导的从句：一般表示主句的动作发生在从句动作之前。e.g.I didnt know any English before I came here.5.after引导的从句：表示主句的动作发生在从句动作之后。e.g.After he locked the door,he left.After he had finished his work,he played a game of chess w
4、ith his friend.,6.since 引导的从句：表示”自从以来“，从句中的动词一般表示动作的起点，用过去时。主句中的动词表示动词延续的情况，一般用现在完成时。如果主句中的动词表示的不是延续的动词而是表示目前的状态，可用一般现在时。It is twenty years since she joined the Party.7.till(until)引导的从句：1）表示”直到”,主句和从句都用肯定式 2）表示“直到才”，主句用否定，从句用肯定。They worked till it was dark.She didnt go to bed until she had reviewed
5、her lessons.,比较till and until 1)until可用于句首，而till通常不用于句首。Until you told me,I had heard nothing of what happened.2)until when 疑问句中，until要放在句首。-Until when are you staying?-Until next Monday.,8.1)as soon as 和the moment 引导的从句表示“一就”As soon as she came to the classroom,she began to read English.The moment
6、I heard the song,I felt cheerful.,地点状语从句通常由where,wherever 引导。Where I live there are plenty of trees.Wherever I am I will be thinking of you.I will go where the weather is better.Wherever you are,I will be waiting for you.,地点状语从句,because,since,as 和 for+句子1）because语势最强，用来说明人所不知的原因，回答why提出的问题。当原因是显而易见的
7、或已为人们所知，就用as或 since。I didnt go,because I was afraid.Since/As the weather is so bad,we have to delay our journey.2）由because引导的从句如果放在句末，且前面有逗 号，则可以用for来代替。但如果不是说明直接原因，而是多种情况加以推断，就只能用for。He is absent today,because/for he is ill.He must be ill,for he is absent today.,原因状语从句,连接词主要有if,unless,as/so long as
8、,等。if 引导的条件句有真实条件句和非真实条件句两种。非真实条件句已在虚拟语气中阐述。unless if not Lets go out for a walk unless you are too tired.If you are not too tied,lets go out for a walk.典型例题You will be late _ you leave immediately.A.unless B.until C.ifD.or,条件状语从句,常见引导词：though/although,even if/even though,however,whatever,no matter
9、how(who)though,although注意：当有though,although时，后面的从句不能有but，但是though和yet可连用Although its raining,they are still working in the field.Though the sore is healed,yet a scar may remain._she is young,she knows quite a lot.A.WhenB.However C.Although D.Unless,让步状语从句,ever if,even though.即使Well make a trip even
10、though the weather is bad.whetheror 不管都Whether you believe it or not,it is true.no matter+疑问词 或疑问词+后缀ever No matter what happened,he would not mind.Whatever happened,he would not mind.,引导词：so that 或 suchthat比较：so和 such其规律由so与such的不同词性决定。such是形容词，修饰名词或名词词组，so 是副词，只能修饰形容词或副词。so 还可与表示数量的形容词many,few,muc
11、h,little连用，形成固定搭配。,结果状语从句,so foolish such a foolso nice a flower such a nice flower so many/few flowers such nice flowersso much/little money.such rapid progressso many people such a lot of people（so many 已成固定搭配，a lot of 虽相当于 many，但 a lot of 为名词性的，只能用such搭配。）sothat与suchthat之间的转换既为 so与such之间的转换。The b
12、oy is so young that he cant go to school.He is such a young boy that he cant go to school.,引导词：that,so that,in order that,in case You must speak louder so that/in order that you can be heard by all.Better take more clothes in case the weather is cold.,目的状语从句,as if,as though两者的意义和用法相同，引出的状语从句谓语多用虚拟语气
13、，表示与事实相反，有时也用陈述语气，表示所说情况是事实或实现的可能性较大。汉译常作“仿佛似的”，“好像似的”。,方式状语从句,引导词：as,(just)asso,as if,as though,He looks as if(as though)he had been hit by lighting.他那样子就像被雷击了似的。（与事实相反，谓语用虚拟语气。）It looks as if the weather may pick up very soon.看来天气很快就会好起来。（实现的可能性较大，谓语用陈述语气。）,Test,【例1】Lucy knew nothing about it _her
14、 sister told her.2003 河北省 A.because B.until C.if D.since,典型例题解析,【例3】The young man travelled all over the world he had a man-made leg.2003 河南省 A.though B.if C.as D.because,B,【例2】Other people wont be pleased if he the queue.2003 河南省 A.will jump B.jumps C.jump D.jumped,B,A,【例4】The students will go to S
15、ummer Palace if it tomorrow.2003 甘肃省 A.dont rain B.wont rain C.doesnt rain D.isnt rain,C,【例7】David was so careless that he didnt find the mistakes in his test paper.(改为简单)2003 David was_careless _ find the mistakes in his test paper.,【例5】The driver hurt the girl_badly_she had to see a doctor.2003 新疆
16、 A.so,that B.either,or C.too,to D.neither,nor,典型例题解析,A,【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)_ Mrs.Read _ well last night?,too to,Why didnt,sleep,.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 mo
17、ther was ill,_he had to 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.but C./D.so4.They didnt watch TV_they finished their homework.A.after B.when C.until D.as,课时训练,(A),(A),(C),(C),课时训练,5.Ill write to you as soon as I_
18、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 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 l
19、ate for school?_ I got up late.A.Because B.For C.Since D.As,(A),(D),(B),(B),(A),10.The flowers_well if they_.A.wont grow,dont take good care 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,(D),11.He asked_many strange questions tha
20、t 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 there are no mistake.A.look for B.make sure C.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),1
21、4.The old man was quite weak after the accident,so he A.had to be takes care of B.had to take care of C.had to be looked after D.had to look after15.The man had gone away _ the old man said thanks to him.A.that B.so C.until D.before,课时训练,C,D,.句型转换，将下列各句改为同义句1.Hurry up or youll be late for school._yo
22、u _hurry up youll be late for school._you hurry up,youll be late for school.2.Ill do my homework when my mother comes back.I_ start to do my homework _my mother comes back.3.This question is so hard that no one can answer it.This is_ _ _ question that no one can answer it.4.Because he was ill,he did
23、nt 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,If,dont,Unless,wont,until,such a hard,so,but,6.The ice on the lake was so thin that people couldnt skate on it.The ice on the lake was _thick _ _ people_ _ _.7.The girl
24、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 man was _old _climb the hill.9.Unless you are brave youll lose your chance._you _brave,youll lose your chance._brave,_ youll lose your chance.10.The weather is so fine th
25、at people can go out for a walk.It is_ _ _that people can go out for a walk.,not,enough for,to skate on,so,that,too,to,If,are,Be,or,such fine weather,11.Its such a small room that it cant hold too many people.Its _ _ _room that it cant hold too many people.12.When he was 12,he started writing his own newspaper._ _ _ _12,he started writing his own newspaper.,课时训练,so small a,At the age of,
