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1、原因、目的、结果状语从句讲练原因、目的、结果状语从句讲练 一 导入新课 复习原因状语从句1 连词 because, as, since, for 的用法区别：because 表示原因时，用法最为广泛，语气也最强。它所引导的从句可以放在主句之前或在主句之后。1) - Why are you always late for school? Because my home is far from here.2) He cant come to the party because he is busy.as 在表示原因时，语气较强。它所引导的从句常放在主句之前，意思是“由于”；把众人所知的事实当作理由
2、。1) As the bad weather, he was lost his way yesterday morning.2) As Mr. Liu is the new comer, he doesnt have too many friends here.since 语气较弱。它所引导的从句一般放在主句之前，意为“既然”；就对方陈述的事实作为理由。1) Since Li Ming doesnt know the answers to the problems, lets ask Wang Lei to do it.2) Since we are good friends, please
3、call me if you need help.相比较而言，for 的语气最弱。其引导的从句放在主句之后，所表述的理由是对某一事实进行推断。1) He thanked me for my help.2）The woman didnt buy that coat for it is too expensive.二、授新 1 目的状语从句一般由 in order that, so that 来引导。二者都表示“以便、为的是”之意。此时，句中往往会用一些相关的情态动词来加以说明。1) Ill have to run fast so that I can catch up with them in
4、a short time. (目的)我得快跑以便我能在短时间内赶上他们。2) I opened the window so that fresh air could come in. (目的) 我把窗户打开以便新鲜空气可以进来。3) We will tell you everything about it soon in order that you can prepare for that.不久我们将会让你知道详情,以便你能够做准备。(目的)2 、结果状语从句通常由连词 sothat, suchthat 引导。二者都表示“如此以至于”之意。：1) The teachers teaching
5、was so interesting that all the students were very excited.老师讲课非常有趣，学生们都感到很兴奋。2) Jack studies so hard that he always makes progress.杰克学习很是努力，结果他不断取得进步。3) Its such a nice day that all of us want to go camping.天气是如此的好，我们大家都想去野营。 so that 与 such that的用法区别：so + 形容词或副词 + that + 从句such + 形容词+a(an) + 单数可数名词
6、 + that +从句。但是这两种句型往往可以互换。1) My grandfather is so kind that everyone likes talking with him.(= My grandfather is such a kind person that everyone likes talking with him)我爷爷心地善良，大家都喜欢和他聊天。2) It is so cold that I have to wear warm clothes.(= It is such cold weather that I have to wear warm clothes.)天气
7、如此的冷，以至于我不得不穿上暖和的衣服。三 课题练习课题练习选择恰当答案。选择恰当答案。1. Please speak loudly _ all of us can hear you.A. so that B. if C. when D. although 2. He learned a little Japanese _ he was at middle school.A. though B. although C. as if D. when3. She was _ tired _ she could not walk any more.A. very, that B. such, tha
8、t C. so, that D. so, as4. I went to school in a hurry _ I wouldnt be late for class.A. since B. so that C. as if D. unless5. The child was _ early in the morning.A. enough excited to get up B. too excited to get upC. so excited that he got up D. very excited, he got up6. Bring it nearer _ I cannot s
9、ee it clearly.A. although B. so that C. because D. since7. It was _ that she couldnt finish it by herself.A. so difficult a work B. such a difficult work C. so difficult work D. such difficult work8. He cant buy the car _ it was too expensive.A. for B. when C. that D. if9. I arrived there _ late _ I
10、 didnt meet him.A. too; to B. such; that C. so; that D. so; as10. It is _ hot in the room _ we have to use the fans.A. such; that B. so; that C. as; as D. such; as11. _ you have no time, I have to ask someone else to play football.A. So B. Such C. So that D. Since12. Lift it up_I may see it.A. thoug
11、h B. so that C. as D. than13. I think we should go by plane _ we can get there earlier.A. as soon as B. where C. in order that D. as14. Lily went to see the doctor yesterday _ she was ill.A. because B. but C. until D. if15. Id like to go swimming now _ it is very hot.A. for B. because C. if D. Wheth
12、er1-5 ADCBC 6-10 CDACB 11-15 DBCAB四 课后练习 将下列句子已成英文。1、他太高兴了，以至于说不出话来。2、因为他就住在河边，因此很擅长游泳。3、刘翔刻苦训练跑步以便能在 2008 年的奥运会上取得好成绩。4、这个树太高，我爬不上去。1. He was so excited that he could say nothing.2. Because he lives by the river, he is very good at swimming.3. Liu Xiang practices running hard so that he can get good achievements in the Olympic Games in 2008.4. The tree is so tall that I cant climb it up.
