初中英语状语从句课件1

Tom fell asleep while Jerry was giving a lecture.
He sang as he went along．
时间状语从句的破题方法
判断主句和从句 动作的延续性
非延续性：
when
延续性：when,
while, as
同时
while
伴随
as
真题演练
1. He transplanted the little tree to the garden ____ it was the best time for it. （2007上海） A. where B. when C. that D. until 2. — Are you ready for Spain? — Yes. I want the girls to experience that ____ they are young. (2008上海) A. while B. until C. if D. before
because ______ since (1) 引导原因状语从句的连词有 _______ as ________ now that ____ (2) because, since, as, for 用法比较：
because: 语气最强，回答why时用because，所表示的 是直接理由，因果关系不能同so连用。 e.g. ---Why are you late?
Examples:
• When/As/While he was eating his breakfast, he heard the door bell. • It has been two years since I came to Beijing. • Whenever we met with difficulties, they came to help us. • I got in touch with him immediately I received his letter.
反面条件：if … not, unless
真题演练
1. Small sailboa源自文库s can easily turn over in the water
_____ they are not managed carefully. （2007上
海）
A. though B. before C. until D. if 正面 条件
真题演练
• Where there is a will, there is a way. 有志者事竟成。 ______________________ • 无论你去哪里, 我都去。 Wherever you go, I go too． ______________________
4. 原因状语从句
② 在……条件下：as long as
e.g. As long as I get my father’s permission, I’ll go!
条件状语从句题的破题方法
1. 读题，确认从句和主句
2. 分析从句和主句之间的逻辑关系（正面条件/反面条
件）
3. 根据逻辑关系选择合适的引导词
正面条件：if, as long as
--- Because there is a traffic jam.
since/ now that: “既然…..” 表对方已知的事实或理由， 常放在句首。
e.g. Since you have got enough money with you now, you can come and buy it next time. as: “由于….” 语气较弱，较口语化，表明显的原因或已 知的事实，常放在句首。 e.g. As he had been ready for the worst, he was not disappointed at the result.
特殊引导词: __________ wherever ___________ anywhere everywhere ___________
① Air will be heavily polluted where there are factories. ②Wherever you go, you should work hard. ③ Do you know anywhere I can buy a second-hand computer? ④ He follows me everywhere I go.
真题演练
1. A good storyteller must be able to hold his
listeners’ curiosity _______ he reaches the end of
the story. （2003上海）
A. when A. married
B. unless
C. after
状语从句Ⅰ
1. What is it?
2. what are the sorts?
•
• • • • • • •
时间状语从句
• 用来修饰主句或主句的谓语
条件状语从句 地点状语从句 原因状语从句 让步状语从句 目的状语从句 结果状语从句 比较状语从句
1. 时间状语从句
as/when/while; after; before; since; 关联词 till/until; whenever; no sooner … than / hardly … when
• My sister came the moment she got my message.
• Every time I catch a cold, I have pain in my back.
辨析：when / while / as
• 从句动词为非延续性动词: when The boy cried when he saw his mother. • 从句动词为延续性动词: while, as , when均可 while强调“在……的同时” as强调“伴随”的状态，“一边…一边…”
2. They ___ friends since they met in Shanghai.
A. have made B. have become
C. have been
D. have turned
2.条件状语从句
逻辑关系： 假设
引导词： ① if, unless (if not)
e.g. You will not pass the exam unless hard. = You will not pass the exam if hard. you don’t work you work
D. until
2. My uncle ___ until he was forty-five.（2000上海）
B. didn't get married
D. would marry
C. was not marrying
• (2) • once, the moment, as soon as • 表示“一…就…” • e.g. Once he goes, we can clean up.
时间 状语从句
副词
名词 短语
immediately; the moment; the minute; the second; each (every) time; the day (year); next time; the first (second /last ) time; by the time
反面条件 2. ____ there is a snowstorm or some other bad
weather, the mail always comes on time. （2007上
海春季）
A. Because
C. When
B. If
D. Unless
3. 地点状语从句
常用引导词: _________ where
(3) before, after 表示时间的先后 e.g. I found his pen after he had left.
真题演练
1. A dozen ideas were considered ____the
architect decided on the design of
（2006上海） A. because B. before C. whether D. unless
for: 语气最弱，不能放在句首。
e.g. It must have rained last night, for the ground
is wet.
真题演练
______ everybody knows about it, I don’t want to
talk any more. （2009上海）
the building.
两种since的句型
since：“自…以 来”
①. 主句用现在完成时（或现在完成进行时）时，从句
中用一般过去时
e.g. I’ve lived here since I came to Beijing.
②. It is (has been)…..+ since +一般过去时
It is five years since I began to learn English.
扩展练习
1. That was really a splendid evening. It’s been
years ____ I enjoyed myself so much.
A.when B. that C. before D. since
A. For
B. Even
C. Since
D. However
敬请期待：
状语从句Ⅱ
其他引导词：
（1）until/till
延续性动词+肯定语气：到……为止
e.g.Walk till you come to a white house. 非延续性动词+否定语气：到……才开始 not…until
e.g. We didn´t begin our discussion until he came back.