原因、结果、目的和让步状语从句ppt课件.pptx

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1、状语从句,原因状语从句,由because因为引导，表示原因，可放于主句前，也可放于主句后。不能与so连用。,He didnt go to school _.,because he was ill,结果状语从句,由so所以引导，表示结果，放于主句后。,She worked hard _.,so she got good marks,结果状语从句,由so.that.如此.以至于.引导，so后接形容词或副词，that后句子表示结果。,He got up _,so late that he was late for school.,结果状语从句,由such.that.如此.以至于.引导，that后句子

2、表示结果,such后接形容词+名词。,He is _,such a good boy that we all like him.,目的状语从句,由so that以便引导，表示目的，放于主句后。that后常常有can，could，may, might。,He works hard_ _ .,so that he can go to Beijing University,让步状语从句,由though、although虽然，尽管引导，可放于主句前或后。不能与but连用。,He is unhappy _.,though he is rich,1.“so that以便”的句子可以改为 to do sth

3、.或者in order to do sth.,He works hard so that he can go to Beijing University.=He works hard to go to Beijing University.=He works hard in order to go to Beijing University.,特别注意,2.“so/suchthat”的否定句可以改为“too.to do sth”(太而不能做),She is so old that she cant look after herself.=She is such an old woman tha

4、t she cant look after herself.=She is too old to look after herself.,特别注意,一、单项选择题1.The lazy boy didnt go to school yesterday_he could play computer games at home. A.to B.so that C.such that D.in order to2.We will go to the supermarket _some food. A.so that to buy B.so C.in order to buy D.in buying3.

5、Could you keep silent_we can do some reading quietly? A.so that B.that C.to D.so,4.He is _ strong _ he can carry the big stone. A.such;that B.so;that C.such a;that D.such an;that5._he fell off his bike,_he hurt his leg. A.Because;so B./;because C.Because;/ D./;6.He is_a weak old man that he cant get

6、 up by himself. A.such B.so C.too D.very,7._she is ill all the time，_she never gives up her study. A.Although;but B.But;/ C.Although;/ D./;/8.She was_tired that she couldnt go to work . A.so B.such C.too D.very9.He plays basketball so _ that we are all proud of him. A.good B.well C.better D.best,二、词

7、型练习1.He ran so_(quick/quickly) that we couldnt caught him up.2.He is too young _(look/to look) after himself.3.It is such a_(fun/funny) story that everyone all laugh.4.The flowers are so_(beautiful/beautifully) that we all like them.5.Though it is_(rain/raining),the farmers still work in the fields.

8、,三、句型转换，根据上句，把下句改为同义句。1. He is so fat that he cant walk.He is _ fat _ _.2. My mother gets up early so that she can make breakfast for us.My mother gets up early _ _ breakfast for us.3. He is so slow that I have to stop to wait for him. He walks so _ that I have to stop to wait for him. 4. The book is so interesting that I have read it four times.It is _ _ _book that I have read it four times.,too to walk,to make,slowly,such an interesting,