初三英语状语从句-课件

than / as—从句中常有成分省略
e.g. The project was completed earlier than (it was) expected. He worked as fast as a skilled worker (worked). Repeat this as often as (it is ) necessary. Then see a doctor as soon as (it is) possible.
考 点 难 点
1、各种从属连词的含义及用法 比较； 2、no matter wh- 与 wh-ever 引 导的从句的区别； 3、状语从句的时态问题；
4、状语从句倒装及紧缩问题；
5、状语从句与其它从句的区别。
1. 时间状语从句 1. (04北京春) We were swimming in the lake ______ A suddenly the storm started. A. when B. while C. until D. before 2. (02上海) He was about to tell me the secret ______ D someone patted him on the shoulder. A. as B. until C. while D. when 3. (05上海) He transplanted the little tree to the garden ______ B it was the best time for it. A. where B. when C. that D. until 4. (05福建) －Did Jack come back early last night? －Yes. It was not yet eight o’clock ____ B he arrived home. A. Before B. when C. that D. until C a 5. (06辽宁) He was about halfway through his meal ______ familiar voice came to his ears. A. why B. where C. when D. while

They had not been married four months before they were divorced. 他们结婚还不到四个 月就离婚了。
After you think it over, please let me know what you decide.你仔细考虑过以后，告诉我你是 怎样决定的。
外星人买纪念品时，那女孩给警察打了电话。(表示主句，从句
的动作同时发生，while后引导的状语从句的动词必须是延续动词不能
是点动词，因为它表示较长时间)
mother was worried because little alice was ill, especially as (when/ while) father was away.
我到那里时，正在下大雨。 ( 动作同时发生，when
可换为as, 但不能换为while，因为get是点动词.)
When I had read the article, he called me.
我看完这篇文章之后，她给我打了电话。( 从句动作
发生在主句之前，注意时态表达，只能用when )
When I got to the cinema, the film had begun.
when
1、还可以表示从句动词的动作在主几句动词的动作"
之前 "或"之后"发生。
2、when=and then; at that moment (正在那个时候)
while 1、用于时间较长时
2、 强调两个动作同时进行，并表示对比时
有时这三个连词可以互换，有时不可以。
It was raining hard when (as) I got there.

知识点 2 状语从句的连接词
(3) 强调句型：It is/was not until ... that ...
It was not until the professor came that we began the experiment. 直到教授来了，我们才开始做实验。 易错点：（1）till不可以置于句稿首定，PP而T until可以。 Until you told me I had no idea o稿新f定，itP上.P千T，款海模量板素选材择持总续有更一 直到你告诉我，我才知道这件事款适。合你
It’s three years since he joined the army.(自从......多久了......)
自从他参军已经三年了。
稿定PPT
稿定PPT，海量素材持续更
It's two years since we arrived新h，e上re千. 款我模们板选到择这总有儿一两年了。 款适合你
连词
常用句式
before It will be＋一段时间＋before ... 过……时间才……
since
It will not be/was not long＋before ... 不久就会/没多久就…… It was＋时间段＋befo稿稿r定e定P.P.P.TP，过T海了量素…材…持续(时更 间)才…… It is/has been＋一段时新间，上＋千s款in模c板e选..择. 总(从有一句用一般过去时)
as soon as / no sooner … than / hardly … when / the moment / the minute /（一…就…) since （自从…以来）
知识点2：状语从句的连接词 No. 1 时间状语从句 1．when, while, as 引导的时间状语从句

We waited until he came.
2．用于否定句时，主句谓语动词是非延续性动 词，从句为肯定，意为“某动作直到某时间才开 始”。如He won’t go to bed till/until she returns.
3．till不可以置于句首，而until可以。如： Until you told me I had no idea of it.
从他离开后我们没见过面。
※ when: 持续性／非持续性动词都可以 当…时
Are you going to be a sailor when you leave school?
while /when辨析
❖ when/while+doing ❖ When/while reading,he fell asleep. ❖ when+终止性、延续性动词 ❖ while+延续性动词 ❖ When the teacher came in,I was sleeping. ❖ =While /When I was sleeping, the teacher came in. ❖ when (就在这时) ❖ I was sleeping, when someone knocked at the door.
❖ He spoke slowly in order that everyone should understand.
他讲得很慢以便人人能听懂。
1. They set out early _s_o_th_a_t_(_in_o_r_d_e_r _th_a_t_) they might arrive there in time.
While I really don’t like art, I find his work impressive. (while=__a_lt_h_o_u_g_h___)

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since
1. 引导状语从句时，主句用现在完成时或现 在完成进行时，从句中用一般过去时。 • I’ve been living here since I came to Beijing. • I have returned home four times since I came
here. 2. 常用句型： • It is (has been)…+ since +一般过去时 • It is five years since I began to learn English.
any time, by the time到…. （名词性短语）
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• Every/Each time I held the boat and carved the year, my grandfather seemde near.
• By the time he was 17, he had been to almost 20 contries to get his disease cured.
such…that “如此的…以致于”表结果。 1.such＋a(an)＋形＋名词＋that... 2.such＋形＋可数名词复数／不可数名词＋that...
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so＋many/few/much/little＋相应名词+that... 比较：
so many / few flowers →such nice flowers so much / little money→such rapid progress so many people → such a lot of people There were so many people in the bus that I could hardly move. She put so much butter and sugar in the cake that I didn’t dare to eat too much. He made so many mistakes that he failed the exam once again.

child, I often played in the park.”（当我还是个孩子的时候，我经常
在公园里玩。）
02
从句时态先于主句
有时从句的时态会先于主句，表示从句中的动作发生在主句动作之前，
如“After he finished his work, he went home.”（他完成工作后就
结果状语从句的谓语动作可以与主句 的谓语动作同时发生，也可以在其后 发生。
结果状语从句的谓语动作可以是已完 成的，也可以是未完成的。
结果状语从句的省略与倒装
01
当结果状语从句的主语与主句主 语一致，且从句谓语包含be动词 时，可以省略从句的主语和be动 词。
02
在某些情况下，为了强调或保持 句子平衡，结果状语从句可以采 用倒装语序。
作用
使句子表达更加完整、准确，增强语 言的逻辑性和连贯性。
状语从句的构成
01
02
03
引导词
引导状语从句的词有 when、where、because 、if、although等。
主语和谓语
从句中通常包含主语和谓 语，构成完整的句子结构 。
时态和语态
根据主句的时态和语态， 从句的时态和语态也会相 应变化。
倒装
有时为了强调或保持句子的平衡，可以将时间状语 从句中的部分成分倒装，如“Only when he arrived did we start the meeting.”（只有当他 到达时，我们才开始会议。）
03
地点状语从句
Chapter
表示地点的连词
01
where：在...地方
02
03
04
wherever：无论在哪里
倒装

2. When 常用于下列句式：意为“就在那时”。如： was doing something…when was about to do…when was on the point of doing sth... when… had done…when
3. when可以表“既然”，如： How can I help them to understand when they won’t listen to me?
if, unless, as(so) long as, on
连 接
condition that, 要……)等。如：
词
九 种
让步状语从句
常 although, though, as, even though/even if,
用 while(虽然）, whichever, wherever, whatever,
Revision of the Adverbial Clauses
状语从句
句子+引导词作状语。 修饰动词、形容词、副词或整个句子，说明
动作或状态特征的句子成分，叫做状语。
时间状语从句
九 种 原因状语从句 状 从 让步状语从句
目的状语从句
比较状语从句
地点状语从句 条件状语从句 结果状语从句 方式状语从句
welcome.
条件• 18. As (So) long as you work hard, you can catch up with the other classmates.
• 1 状语从句连词的含义及用法比较； • 2、no matter wh- 与 wh-ever 引导的从句
的区别；
• 3、状语从句的时态问题； • 4、状语从句倒装及省略问题； • 5、状语从句与其它从句区别。

为深入学习习近平新时代中国特色社 会主义 思想和 党的十 九大精 神,贯彻 全国教 育大会 精神,充 分发挥 中小学 图书室 育人功 能
• We’ll start our project if the president agrees.
• You will certainly succeed so long as you keep on trying.
为深入学习习近平新时代中国特色社 会主义 思想和 党的十 九大精 神,贯彻 全国教 育大会 精神,充 分发挥 中小学 图书室 育人功 能
• I didn’t realize how special my mother was until I became an adult.
• While John was watching TV, his wife was cooking.
状
2 原因状语从句
as for, now that
语 从
3 条件状语从句
if unless
句
so that, so…that , in order that
4 目的、结果状so语…从t句hat, such…that,
so much/many…that
5 让步状语从句
though although whether…or not
为深入学习习近平新时代中国特色社 会主义 思想和 党的十 九大精 神,贯彻 全国教 育大会 精神,充 分发挥 中小学 图书室 育人功 能
5结果状语从句
• 常用引导词： • so … that, so… that, such … that, • 特殊引导词： • such that, • to the degree that, • to such a degree that,

2.原因状语从句用法
原因状语从句： 因为：because 通常由why来提问
3.目的状语从句用法
目的状语从句： 为了，以便：so that
4.条件状语从句用法
条件状语从句： 引语从句用法
结果状语从句： so: 所以 so+adj/adv+that…： 太……以至于 such+n+that…：太……以 至于
状语从句
初中英语专项复习
1.时间状语从句用法
时间状语从句： when: 当……时, 各时态均可 while: 当……时，用于进行时 since: 自从，主现完从过去
as soon as: 一……就……，主将从现 not……until……: 直到……才…… before: 在……之前 after: 在……之后
6.让步状语从句用法
让步状语从句： 即使、虽然：
though/although 不能与but连用， 可与still连用。
感谢观看

目的 so that (以便, 为了), in order They sped up so that/ in
状语从句 that (为了)
order that they could get
there on time.
分类
引导词
例句
结果 so … that / such … that (如 It’s so hot that nobody
在主从复合句中作状语的从句叫做状语从句。状语从 句由从属连词引导，与主句连接，位于句首时，常用逗号 与主句分开，位于句末时，其前一般不用逗号。
状语从句根据其用途可分为时间状语从句、条件状语 从句、原因状语从句、目的状语从句、结果状语从句、让 步状语从句、比较状语从句、地点状语从句等。
分类
引导词
例句
A. so
B. when
C. unless
( A )2. I love to listen to rock music _______ I am running.
A. while
B. after
C. since
D. until
( B )3. Ann didn't know anything about the news _______
状语从句 此……以至于)
wants to go out.
though/although (尽管, 虽然), Although milk is good，
让步 even though/if (即使),
状语从句
whatever (无论什么), whenever (无论何时),
you should not drink too much of it. Whatever you want to be,

练:中国2012年的石油进口是2008年的两倍。
中国2012年的石油进口是2008年的两倍。
The End
状语从句
分词作状语
• 这个数据在下降到1990年的20%之前，它先上 升到1980年的80%
• Before the figure jumped to 20% in 1990, it increased to 80% in 1980.
The social competition is so fierce that many people suffer from insomnia and depression.
比较： • I got up early so that I could catch up the early bus. • I got up so early that I caught up the early bus.
If he had got up earlier, he would have caught up the bus.
四、原因状语从句
• 原因状语从句的常见连词：because, for, since, as, now that,等。
• 由于学生处于成型期，他们有时不能辨明是非。 In one’s formative years; Distinguish right from wrong;
状语从句
He went home at 8:00 last night. He didn't go home until his mather called him.
功能: 形式：
作状语 句子
状语从句在句子中充当状语，表示主句 动作发生的时间、地点、条件、方式、 目的、结果、让步、原因、比较等。

because, as, since, now that, for,和considering that, seeing that 这七个连词都用于表示表示原 因, 但在语气上一个比一个弱。
＊尽管／虽然／鉴于／如果／届时／
e.g. He walks when he might take a taxi. 虽然
The Queen will visit the town in May, when she will open the new hospital. 届时
How can you hope for mercy yourself when
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
opplt课de件r,
she
became
more
beautiful. 5
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.
ppt课件
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考点:名词短语引导时间状语从句
• 1. When every time I was in trouble, he would come to help me.
• 2. At next time you come, do remember bring your son here.
• 3. For the first time I met the girl. I felt in love with her.
We clean the classroom before we leave school every day. It will not be long before you regret for what you’ve done.

I was walking down the street while I heard someone calling for help. when
3. When 还以引导条件状语从句相 当于if
How can I explain it to you when / if you won’t listen.
4.Adverbial Clauses of Place
(地点状语从句）
5.Adverbial Clauses of Purpose (目的状语从句） 6.Adverbial Clauses of Result （结果状语从句）
7.Adverbial Clauses of Comparison（比较状语从句）
• __C____ it is possible to test this medicine on
• human patients.
• A. since
B. after C. before
D. when
• 3. (06四川)－Why didn’t you tell him about the
• meeting?
4. “趁……”
1. Before they got to the bus stop, the bus had gone. 在..之前
2. It will be 5 years before he returns to his motherland. 多久之后才…
3. We waited a long time before he came out.
（ 让步）
• As he wasn’t ready in time, we went without him. （原因）
• Do as I told you. / do as you like. （ 方式 ）

典型例题解析
【例5】 The driver hurt the girl______badly_______she A had to see a doctor.［2003 新疆］ A.so,that B.either,or C.too,to D.neither,nor
【例6】 Mrs Read didn't sleep well last night because the wind made too much noise.对句子划线部分提问) Why didn't sleep _______________Mrs Read __________well last night? 【例7】 David was so careless that he didn't find the mistakes in his test paper.(改为简单句)［2003 福州市］ too to David was_________careless _________ find the mistakes in his test paper.
课时训练
Ⅰ.单项选择 (A) 1.He was_________angry to hear the news that he couldn't say a word. A.so B.too C.very D.much (A) 2.Because his mother was ill,_________he must stay at home to look after her. A./ B.so C.that D.either 3.Though the workers were very tired，_________they went (C) on planting trees. C./ A.and B.but D.so (C) 4.They didn't watch TV_____they finished their homework. A.after B.when C.until D.as

时间状语从句的引导词
when while as
when, while, as：当…时
①既可以加持续性动词也可以加终止性动词 ②从句动作与主句动作可同时发生也可先后发生
When he arrived all the guests had left. Mary was having dinner when I saw her.
让步状语从句
though和although的用法 （1） 两词用法基本相同，although更加正式一些 （2） even though结构中的though不可以换为although （3） 两词不可与but连用，但是可以和yet, still连用
Though/although she works very hard, she makes slow progress. Though/although she is young, she has travelled to many countries.
条件状语从句
If the weather is terrible next week, we will put off the meeting. As long as you promise to come, I will wait for you. You will be late unless you hurry up. In case it rains, do not expect me.
3. such + 形容词+不可数名词+ that…
This was such fine music that it was worth listening to it again.
比较状语从句
1.在复合句中起比较状语作用的从句称为比较状语从句

状语从句
初中英语专项复习
状语从句是指句子的状语由一个从句充当， 用来 修饰主句中的动词、形容词或副词等。状语从句由从 属连词引导， 与主句连接， 放在句末时， 一般不在 前面加逗号。状语从句根据它表达的意思可分为时间 、原因、条件、比较、结果、目的等类型。
一、状语从句的种类
状语从句 的种类
引导词
)
color looks terrible.
He ran as fast as he
as＋原级＋ as… could to the top of
比较状语 比较级＋than＋ the hill.
从句 比较对象
John swims better
than Jim does.
状语从句 的种类
引导词
例句
He spoke so fast that
5. when, while, as意为“当……的时候”。 (1)when表示在某一特定的时间点(段)，主句的动作和
从句的动作同时发生或先后发生。when引导的时间 状语从句的谓语动词既可以是非延续性动词，也可 以是延续性动词。如： When we lived in town, we often went to the theatre. 我们住在城镇里的时候常去剧院看戏。
last night. 昨晚直到12点我回来他才停止工作。
7. as soon as… 意为“一……就……”， 强调主句的动 作紧接着从句的动作。如：
As soon as I arrive in Beijing, I will call you. 我一到达北京就会打电话给你。 8. so… that, such… that意为“如此……以至于……”， 引导结果状语从句。基本规则是：so后面接形容词 或副词， such后接名词。但有几点要特别注意： (1)such是形容词， 它所修饰的名词可以是可数名词， 也可以是不可数名词；名词前面可以带形容词， 也 可以不带。如果其后是单数可数名词， 前面需加不 定冠词a或an。因此， such… that… 的句型结构可 分为以下三种：