(共14张PPT)
as
1
目录
CONTENTS
1
作介词
3
作连词
2
作副词
4
作关系代词
5
as的固定搭配
as的词性
01
as作介词
as作介词时意思为“作为,像,如同”
例:French is known as the most beautiful language in the world.
02
as作副词
as作副词的意思是:“相同地,同样地”
例:The don’t have as many airplans.
03
as作连词
2. as……as “和……一样”
(副词) (连词)
例:The app is not as usuful as we expected.
1. 引导状语从句(表时间,原因,让步,方式,比较)
1. AS引导时间状语从句 “当……时候”
My mother was cooking fish as I arrive home.
As I swallowed, he raised his glass to me and said:……(13.3)
2.AS引导原因状语从句 “因为”
As rain has fallen ,the air is cooler.
There was no hope left ,the only feeling was hunger,and the only emotion was the fear of last innocence as I realized there could be no escape from my first oyster.(7.2)
3.As引导让步状语从句 “虽然”
Young as he is ,he has been one of the most famous painters in our country.
4.As 引导方式状语从句“以……方式”
Do as the Romans do when in Romae.
I did as I was told.(13.1)
5. As 引导比较状语从句
My mother was buzy shopping ,and my father had decided to take me,his ten-year-old son ,to lunch,and to mark an important event in my life ,as important to my father as coming of age:my first oyster. (5.4)
04
as作关系代词
As作关系代词引导定语从句
As做关系代词既可以引导限制性定语从句也可以引导非限制性定语从句
指代人,物;充当主,宾,表
一.As做关系代词引导限制性定语从句
主句部分需出现 such/the same/so/as 这样的词与之构成 such……as , the same as, as……as 的结构
例:We have found such books as are used in their school.
This book is not such as I expected.
一. As做关系代词引导非限制性定语从句
As 指代部分或整个主句放在主句 前,中,后
例:As we all know , the earth moves around the sun.
This town,as we all konw,has only oen industry.
She has married again,as was expected.
05
as的固定搭配
1.引导状从
as if
as long as
2.过渡副词
as a matter of fact 事实上
as far as I can see 依我所见
3.固定短语
as usual
such as
as a whole
as soon as
as a result
……
THANK