高中英语状语从句讲解课件(共60张PPT)

he
was
writing.
主、从句表示两个同时进行的持续性动作，且强调 主句表示的动作延续到从句所指的整个时间
She sang __a_s_ she went along. 同时进行, “一边…一边”
It was raining hard _w_h_e_n__/a_s_ we arrived. 主句--持续性动作, 从句---短暂性动作
I thought of it just _w_h__e_n_/a_s___you opened your mo主ut从h.句--几乎同时发生的短暂性动作
Things are getting better and better __a_s__ time goes on.正在发展变化的情况, “随着”
▲ when / while +现在分词/介词短语/形 __W_h__e_n_/W__h_il_e_ in trouble, ask her for help. 容词等构成省略句，但 as 一般不这样用
before引导的时间状语从句
◆ before引导的时间状语从句，常译为“在……之前”， 表示主句的动作发生在从句的动作之前。
2.能够在真实的语境中判定从句与主句 的逻辑关系,从而能够使用恰当的连
词完成交际.
3.能够辨别同类状语从句中近似连词的 用法区别.
常见考点： 考点一、主句与从句的时态呼应问题；
考点二、连接词的选择（注意区别几组连接词： while / as / when引导时间状语从句； because / since / as / for引导原因状语从句； if / unless引导条件状语从句； so…that / such…that引导结果状语从句等）； 考点三、状语从句与非谓语动词之间的替换；
3. How can you hope for mercy yourself when
you show none?
如果
4.How could I live in Los Angeles when all my favorite people live here? 鉴于, 既然
1 When he c_o_m__e_s (come) back, please tell him to meet me at my office. 2 I will tell him when she _c_o_m__e_s_back. 3 I would tell him when she _c_a_m__e_back.
we saw land. “……才”
“不到..就”
2． We hadn’t run a mile before he felt tired.
3． Please write it down before you forget it. “趁…” 4．Before I could get in a word, he walked away.
★用于句首时应引起部分倒装, 且前部分一般用 过去完成时
1. as, while , when的区别
as引导的时间状语从句, 可以表达“正当……”， “一 边……一边……”，“随着……”等意思。
1. 表示某事一发生，另一事立即发生。 As the sun rose, the fog disappeared.
1. We clean the classroom before we leave school every day. 2. It will not be long [before you regret for what you’ve done.] 不久你就会为你的所作所为后悔的。
after引导的时间状语从句
D. will; finish
时间状语从句中用一般现在时代替一般将来时,用 一般过去时代替过去将来时
主句表示的是一个短暂性动作，
He fell asleep __w_h_e_n_/_w_h_i_le_/_a_she was reading.从句表示的是一个持续性动作
I
kept
silent
__w_h_i_le_
＊就在那时，正在这时=and at this /that time
1) They were walking down the street when they saw
an accident. (A=B)
2) I was about to go swimming when our guide stopped
考点四、状语从句的倒装结构 （hardly / scarcely…when；no sooner…than 等）
Ⅰ时间状语从句
引导时间状语从句的从属连词 1.基本类：before、after、when、while、as、 since、till、until、once, as soon as, etc.
He likes coffee, _w_h_i_le_ she likes tea. “而”、“却”(表示对比) __A_s_/W__h_e_n__ a boy, he lived in Japan.▲as / when +名词，构成省略句,while无此用法 _W_h_e_n_/_W__h_il_e reading, he fell asleep.
Adverbial Clause
N.
Adj. Adv.
状语时用来修饰 动 词, 形容 词, 副词或 句子 的一种句子成分.它可以表示时间、地点、 原因、目的、结果、条件、让步、比较、方式等。 其中,副词,介词,介词短语,分词(短语),名词,不定式, 句子都可充当状语。
当充当状语的部分是一个句子时，也就是状语
It’s cold _w__h_e_n it snows. “每当…的时候”(暗示一种规律性)
I will go home _w_h_e_n_ he comes back. 有先后顺序 We were about to start __w_h_e_n_ it began to rain. 表示“这时(突然)”
2. 表示在某事发生的过程中，另一事发生。 Just as he was speaking there was a loud explosion.
3. 表示两个动作同时发生。(一边…一边…) Helen sang a song as she washed.
4. 表示“随着…..”.常指一个行为是另一个行为的结果， 或一种状态随另一种状态变化。句中的动词多表示状态 的发展变化。 As she grew older, she became more beautiful.
While there is life there is hope. (while = __a_s_l_o_n_g_a_s_ )
He likes pop music, while I am fond of folk music. （while=__h_o_w__ev_e_r_）
while用法的归纳 １.作并列连词,意为“然而,却”,表对比(=however)
2. 题干句的情景化增强,句意理解难度提高
Go back where you lived.状__语__从__句_ Go back to the village where you lived._定__语__从_句__
where前有定语从句的先行词
二 能力要求：
1.了解状语从句的分类情况及各种状语 从句中经常使用的连词
2. 名词类（由名词词组充当引导词）：
the moment ,the minute, the second, the instant,etc. (一…就…); every time, each time, the last time, the first time, etc.
3. 副词类（由副词充当引导词）：immediately, directly, instantly, etc. (一...就...)
4 ---When ____ you come to see me,Dad?
---I will go to see you when you ____ the training coursing.
A.do; will have finished
B.will; will finish
C.do; are finishing
◆ after引导的时间状语从句，常译为“在……之后”， 表示主句的动作发生在从句的动作之后。
After you use plastic bags, you mustn’t throw them about. 用过了塑料袋之后，不准到处乱扔。
连接词before的小结：
1. We had sailed four days and four nights before
shortcomings. ４.引导条状从句,表“只要”(=as long as)
I’ll do everything for you while you are happy.
when: 持续性／非持续性动词都可
＊当……时
e.g. When I first saw her, I fell in love with her. ---When did you get home? ---It was eight o’clock when I got home.
He likes football while his brother likes basketball.
2. 引导时状从句(=when) While he was doing his homework, his mother came in. ３.引让状从句,表“虽然,尽管”,置于句首 (=WalthhioleugI ha)dmit his good points, I can see his
me.
(A﹤B)
3）I had just finished my work when he came back.
(A﹥B)
when 还有一些较为灵活的翻译:
＊尽管／虽然／鉴于／如果／届时／
1.He walks when he might take a taxi. 虽然
2. The Queen will visit the town in May, when she will open the new hospital. 届时
while:持续性动词 ／进行时
＊一般或现在情况
e.g. I like listening to music while I am doing my homework.
＊将来情况－V一般现在时或现在进行时
e.g.— I’m going to the p☆owhsitle常o表ff示ic一e段. 较长的时间或一
-- While you are ther个 动e过 词, 程 所ca， 表n强 示调 的yo主 动u句作的或ge动状t词态s和是o同从m时句e发的
stamps for me?
生的，它引导的从句用延续性动词， 若从句中是非延续性动词，则不用
＊过去情况
while. 侧重于主从两个动作或状态的 对比。p207
e.g. I hurt my shoulder while I was doing gym.
While 在句中的不同含义:
While I was walking down the street, I came across an old friend. ( while=__w_h_e_n__)
While I really don’t like art, I find his work impressive. ( while =_a_l_t_h_o_u_g_h_ )
从句。分类如下：
状语从句
Leabharlann Baidu
1. 时间状语从句 2. 地点状语从句 3. 原因状语从句 4. 条件状语从句 5. 让步状语从句 6. 目的状语从句 7. 结果状语从句 8. 方式状语从句 9. 比较状语从句
一 状语从句高考的考查特点
1. 试题的设问呈现出交叉和综合的特点
(不同性质的连词; 定语从句和名词性从句的干扰)
e.g. I will give you an answer immediately I finish my work.
4.句型类：no sooner…than…, hardly/scarcely… when…, etc. (一…就…)
e.g .Scarcely had he gone when she appeared.