原因目的结果状语从句.ppt

1.Ill call you when I get there.2.I was watching TV while she was singing.3.She always sings as she dances.4.He didnt go to bed until he had finished his work.5.As soon as he arrives,Ill tell him.,6.Although/Though he was exhausted,(still)he kept on working.7.While I like the colour,I dont like the shape.8.Well make a trip even if/though the weather is bad.9.Whether youre free or busy，youll have to attend the ceremony.10.No matter who you are,you must keep the law.=Whoever you are,you must keep the law.,原因状语从句Conjunctions：because,since,as,for,now that,1关于becausebecause表示的原因是必然的因果关系，语气最强，通常放在主句之后，有时也放在主句之前。You want to know why I am leaving?I am leaving because I am fed up.(2)回答why提出的问题，只能用because。A：Why cant I go?B：Because you are too young.,(3)because引导的从句可用于强调句，其余不 能。Its because he is kind that we like him.(4)because从句可用作表语，其余不能。This is because the earth is traveling around the sun.,2关于since,since引导的原因状语从句一般放于主句之前,表示已知的、显然的理由(通常被翻译成“既然”)，较为正式,语气比because弱。例如：Since you are free today,you had better help me with my math.既然今天你休息，你最好帮我补习数学。,since可用于省略句，而其它不能。如：Since so,there is no more to be said.,3 as as 引导原因状语从句时表示附带说明的“双方已知的原因”，语气比since弱，较为正式，位置较为灵活(常放于主句之前)。例如：As it is raining,youd better take a taxi.既然在下雨，你最好乘出租汽车。I went to bed early,as I was exhausted.我睡得早，因为我筋疲力尽了。,4关于for(1)for是并列连词(其他为从属连词)，它有时可表示因果关系(只能放在主句之后)是对前面分句的内容加以解释。如：It rained last night,for the ground is wet this morning.,5关于now that now that用来说明一种新情况，然后加以推论。Now that you are ready,well start at once.既然你已经准备好了，我们马上开始。,Adverbial clauses of result结果状语从句,引导词：,sothat;suchthat(如此以致于),so+adj./adv.+that,such+(a/an)+adj.+n.+that,such+a/an+adj.+可数名词单数+that,such+adj.+可数名词复数+that,such+adj.+不可数名词+that,当名词有many,much,few,little修饰时，只能用so，不能用such。,她是如此的疲惫，以致于很快就睡着了。She was _ she _ quickly.2.这是一本非常有趣的小说，以致于我读了三遍。It was _ novel that i read it three times.3.他跑得非常快，没人能追上他。He runs _ nobody can catch up with him.4.玛丽有如此多的工作要做，以致于她整天呆在办公室。Mary had _ to do that she stayed at her office all day.,sothat/suchthat,so tired that,fell asleep,such an interesting,so fast that,so much work,引导目的状语从句常用的连词有：so that（以便），in order that（为了；以便），lest（免得；唯恐），for fear that（生怕；以免）等目的状语从句的谓语常含有may,might,can,could,should,would等情态动词。,.,1.You must speak louder so that/in order that you can be heard by all.2.He wrote the name down for fear that(lest)he should forget it.3.Better take more clothes in case the weather is cold.,1._ youve got a chance,you might as well make full use of it.A.Now that B.After C.Although D.As soon as 2.He found it increasingly difficult to read,_ his eyesight was beginning to fail.A.and B.for C.but D.or,3.A man cannot smile like a child,_ a child smiles with his eyes,while a man smiles with his lips alone.A.so B.but C.and D.for 4.Id like to arrive 20 minutes early _ I can have time for a cup of tea.A.as soon as B.as a result C.in case D.so that,5.Roses need special care _ they can live through winter.A.because B.so that C.even if D.as6.Leave your key with a neighbor _ you lock yourself out one day.A.ever since B.even if C.soon after D.in case7.He has _ little education that he cant teach _ little children.A.so;such B.too;such C.a;so D.very;so,8.He left in _a hurry _he forgot to lock the door.A.such,that B.so,that C.such,as D.so,when9.You must improve your study method _ you may make progress in your studies.A.so as to B.in order to C.so D.in order that,