原因、結(jié)果、目的狀語(yǔ)從句

1、一、原因狀語(yǔ)從句(1原因狀語(yǔ)從句通常由because, since, as, for引導(dǎo)。(2because表示直接原因,語(yǔ)氣最強(qiáng)?；卮鹩蓋hy提出的問(wèn)題,只能用because。此外,because 和so不能同用在一個(gè)句子里。eg:-Why were you late for school?-Because I got up late.since引導(dǎo)原因狀語(yǔ)從句,相當(dāng)于now that,意思是“因?yàn)?既然,鑒于”。 eg:Since the rain has stopped,lets go for a walk. 既然雨停了,我們出去散散步吧。as和since語(yǔ)氣較弱,一般用來(lái)表示明顯的原因

2、。由as和since引導(dǎo)的原因狀語(yǔ)從居多放在句首。例如:As he has no car, he cant get there easily. Since we have no money, we cant buy it.(3for表示所說(shuō)的理由是一種補(bǔ)充說(shuō)明,for引導(dǎo)的從句一般不放在句子的開頭。如: I decided to stop and have lunch, for I was feeling quite hungry.練習(xí): I was late for class yesterday _ there was something wrong with my bike.He too

3、k off his coat _ he felt hot.you cant answer the question, Ill ask someone else._the bad weather, we missed the train二、結(jié)果狀語(yǔ)從句(1結(jié)果狀語(yǔ)從句由sothat, suchthat, so that引導(dǎo)。 (2在由so.that引導(dǎo)的結(jié)果狀語(yǔ)從句其結(jié)構(gòu)是: “.so + 形容詞(副詞+ that + 從句”。 Eg. He was so glad that he couldnt say a word.Liping runs so fast that we cant catch

4、 up with him.在由suchthat引導(dǎo)的結(jié)果狀語(yǔ)從句其結(jié)構(gòu)是: “.such +a / an + 形容詞+名詞+ that + 從句”。 eg: It was such a hot day that nobody wanted to do anything.He had such long arms that he could almost touch the ceiling.(天花板有時(shí)sothat和such.that可以互換。Eg : It was such a wonderful film that all of us wanted to see it again.=It w

5、as so wonderful a film that all of us wanted to see it again.(3如果名詞前由many, much, little, few等詞修飾時(shí),只能用so, 不用such。eg: Soon there were so many deer that they ate up all the wild roses. He has so little time that he ca nt go to the cinema with you.(4如果主從句的主語(yǔ)相同,并且從句是否定的形式,可以用too.to.句型轉(zhuǎn)化。eg:He was so exci

6、ted that he couldn't go to sleep that night.= He was too excited to go to sleep.(5如果主從句的主語(yǔ)相同,但從句是肯定的形式,可以用adj.+ enough替換。eg:He is so old that he could go to school.= He is old enough to go to school. 他夠大了,可以去上學(xué)。練習(xí): It is _ hot in the room _ we have to go out for a walk.It was a wonderful movie a

7、ll of us wanted to see it again.There were little water in the bottle the bird couldnt reach it.三、目的狀語(yǔ)從句表目的的詞組:so that, in order that, in order to, to(1目的狀語(yǔ)從句通常由 so that, in order that(為了,以便引導(dǎo)。eg:We started early so that we could catch the first train.We used the computer in order that we might save

8、 time.(2so that可引導(dǎo)目的狀語(yǔ)從句,此時(shí)可用to或in order to替換,將其改為簡(jiǎn)單句。eg:He got up early so that he could get to school on time.=He got up early(in order to get to school on time.練習(xí): I hurried I wouldn't be late for class.We should go by bus _ we can get there earlier.May I sit nearer I can see more clearly?(4

9、補(bǔ)充:so as to(肯定結(jié)構(gòu)eg. He got up early so as to catch the early train. so as not to(否定結(jié)構(gòu)eg. He got up early so as not to miss the early train. toeg. He got up early to catch the early train.in order that eg. He got up early in order that he could catch the early train.in order toeg. He got up early in

10、order to catch the early train.強(qiáng)化練習(xí)一、單項(xiàng)選擇。1. Mrs. Green is that she often gives candies to the children.A. so a nice ladyB. such a nice ladyC. a so nice ladyD. too nice a lady2.She was _ tired _ she could not move an inch.A.so, thatB.such, thatC.very, thatD.so, as3.Why is their classroom so clean an

11、d tidy?_ it is cleaned every day.A.SinceB.AsC.BecauseD.For4. Please answer the question in a loud enough voice _ all the class may hear.A. soB. orC. in order thatD. and5. Lift it up_I may see it.A. thoughB. so thatC. asD. Than6. I hurried _ I wouldn't be late for class.A. soB. so thatC. ifD. unl

12、ess7. We should go by bus _ we can get there earlier.A. as soon asB. whereC. in order thatD. as8. The dictionary is so expensive _ I can't buy it.A. becauseB. whenC. thatD. If9. I got there _ late _ I didn't see him.A. too; toB. such; thatC. so; thatD. so; as10. It is _ hot in the room _ we

13、have to go out for a walk.A. such; thatB. so; thatC. as; asD. such; as11. He has_ an interesting book that we want to read it.A. soB. suchC. the sameD. As答案:1-5 BACCB 6-11 CCCBBB二、句型轉(zhuǎn)換1.He is always working hard so that he can get good grades.He is always working hard _ _ _get good grades.2.Its so i

14、nteresting a book that we read it twice.Its _ an interesting book _ we read it twice.3.The little boy is so young that he cant go to school.The little boy is not_ _ to go to school.4.Why are you doing that?_ are you doing that_ ?三、書面表達(dá)。如今,鄉(xiāng)村游變得非常流行。尤其是城里的人,在度假時(shí),總選擇去農(nóng)村。為什么他們會(huì)做出這樣的選擇,請(qǐng)用上幾個(gè):表原因、目的的詞寫一段

15、文章。 ( Because, so, in order to , so that.Nowadays, more and more people choose the countryside for their holiday. Especially people li ving in the city. Why do they do so? Because they are tired of the city lives. Busy work, crowded t raffic, terrible pollution and so on. These have made them feel unhappy. In order to relax themselv es, they really want some quiet