状语从句练习题.ppt

状语从句讲练
拿出听写本
状语从句 the adverbial clauses
状语从句( the adverbial clauses
概述:一个从句用来作状语表示时间地点条件,方式,原因结果
让步,比较,目的等这样的从句叫状语从句
( time clauses)
引导时间状语从句的从句属连词有when, whenever, while,as,
before, after,
till(until ), since, once, as soon as a.
除些外还有可以由 every time, by the time; the first time;
the moment (instant, minute, ) no sooner ---than---; hardly
(scarcely ). when.; immediately, directly; on +doing:
at+名词等引导
Eg: Mother was worried because little alice was ill, especially
Father was away in france
a as b that c during D if
题干中需要引导时间状语从句的从句从属联词故A为正确答案,as
在此等于when/ while,
as,when, while当、…时的区别
在引导时间较长的“背景”时,可通用
As(when, while )I was walking down the street, I noticed a
police car in front of No37.
As means
① at the same time that-尤指两个动作或两个事件同时发生
They talked as they walked
As I worked. someone came near.
as②可以说明两种正在变化或发生的情况
As I get older, I get more optimistic(乐观的
③主从句中都是终止性动词时,as=when,
He came just as (when)I reached the door.
when” means① during the time= whille
② at the moment不可与 while或as互换
When he arrived, we were having supper.
③when从句当主句的动作先后发生时,不可与as, while互换。
When we had shut the windows we went home.
(4)固定句型: be about to de/ be doing…when
while在引导让步状语从句,和表示对比关系或条件关系时
While respected, he is not liked. while= although)
He is a doctor while I am a teacher (while= but
但是然而, while there is water, and air, there will be life
( while= as long as只要)
Practice A. when B while C as
Tom hurt his leg
he got off the bus.
Father was cooking
mother was watching TV.
you are tired you had better rest.
Rich
he is, he is not happy.
he had finished his work Tom was allowed to watch tv.
Jane was young, she really knows a lot.
John gets more mature
time goes by
Li lei had expected, he was admitted into a key university.
Please do the experiment
your teacher tells you to
0. She was about to answer the door
it was forced open
11. Tom was speaking ill of his teacher
the door opened and in
came his teacher. 1, C; 2,