初中状语从句讲解汇总.ppt
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初中状语从句的讲解课件(共151张ppt)
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
初中英语状语从句课件(共68张ppt)
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.
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.
状语从句(29张PPT)初中英语专项复习课件(2)
时间状语从句的分类
Mary cut her finger when she was making a kite. Once you see her, you’ll never forget her. As she was reading the newspaper, grandma fell asleep. Work while you work. Play while you play.
时间状语从句的分类
2. 表示先后，即主句的谓语动作发生在从句之前或之 后。包括：after（在……之后），before（在……之 前）。
时间状语从句的分类
After we heard the news, we were all excited. We had learned English for three years before he went to London.
时间状语从句的分类
3. 表示持续或瞬间性。包括：since（自从），ever since（自从），until（直到……才/为止)，till （直 到……才/为止)。
时间状语从句的分类
It’s just a week since we arrived here. Ten years has passed since we left our school. He waited for his father until (till) it was twelve o’clock.
易错点3 when/while/as的区别 as:
1. She came up as I was cooking.（同时） 2. The runners started as the gun went off.（几乎同时）
状语从句(43张PPT)初中英语专项复习课件
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
初中英语语法大全——状语从句(共24张PPT)
eg: Why didn't you give Dick a call?
---
Because I will see him soon.
2. since的用法 since表示人们已经知道的事实，不需要强调的原因， 常意为“既然....”通常放在句首。since引导的从句 是次要的，重点强调主从 句的内容。 eg: Since everyone is here, let's get started. 既 然大家都来了，我们开始吧。 eg: Since you are free tonight. why not drop in and play chess with me? 既然你今晚没事，为什么不来和我下棋呢?
③while表示两个延续性动作同时发生而又有对比意义，主从 句的时态通常是相同的。 eg: While she was making a phone call, I was writing a letter. 她打电话时,我正在写信。 eg: Eddie was sleeping while Millie was reading a ma gazine. 艾迪在睡觉而米莉在看杂志。
初中英语语法大全 状语从句
在句中起状语作用的从句叫作状语从句。状语从句可 以位于句前、向中成向居。位于句首时，常用迅号与 主句隔开，位于句中时以句前后须用过号，位于句居 时，从句的前面可以不用逗号。 状语从句主要包括时间状语从句地点状语从句、条件 状语从句、原因状语从句、目的状语从句、结果状语 从句、让步状语从句方式状语从句和比较状语从句。
5. before, after的用法
before意为“.....之前”时,表示主句动作发生在从句动作之前。 after意为“.....之后”,表示主句动作发生在从句动作之后。 eg: Please turn off the lights before you leave the cla ssroom. 请在离开教室前关上灯。 eg: He arrived after the game started. 比赛开始后他才 到。
初中状语从句讲解-PPT
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___)
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___)
初中英语语法状语从句(共16张PPT)
1）though, although, as, while
A. though和although不能与but连用
B. as引导让步状语从句，意思与 although/though相同，但是as通常放 在句首，且主谓要倒装，as前面的词可 以是形容词、副词，也可以是动词、名 词。
1)Rich as he is, he is not happy.
You should try to get a good night’ sleep ________ much work you have to do.
Hale Waihona Puke A. howeverB. no matter
C. although D. whatever
解析：答案为A。本题考察让步状语从句的 用法
______I accept that he is not perfect, I do actually like the person.
= Although he is a child, he knows what to do at this time.
C. while引导让步状语从句，只能放在句首， 意思与although/though相同。
While I feel sympathetic, I really can’t do anything to help them. While he may be right, we don’t agree him to do it.
where you have any questions.
3. 原因（because, as, since, now that, seeing that, considering that; when = since, considering that 既然；考 虑到; 介词短语表原因– because of, thanks to, due to, owing to; for ）
状语从句(完整版)PPT课件
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
《状语从句》PPT课件
A. whenever B. until C. while D. wherever
② 如果主句谓语动词是瞬间动词，则用否定式的主 句表示“直到…才”。
如：I didn’t go to bed until (till) he came back. 3) ---Was his father very strict with him when he was at school?
3、原因状语从句：
通常由连词：because, as, since, now that引导。
注意： ① 在强调句中强调原因状语从句，只能用because引导， 不可用as或 since，如：
It was because he was ill that he didn’t go with us. ② because可以引导表语从句,而 as, since不可以， 这时状语一 般都是it, this, that
(3)before “在…之前” Before I came downstairs I had prepared myself very carefully for what I must say.
*如果before引导的从句位于主句之后，有时不能译
成“在…之前”，而要译成“就”、“才” 等。如： The struggle lasted four years before the North won in the end. He almost knocked me down before he saw me.
1) Someone called me up in the middle of the night, but they hung up ____ I could answer the phone.(’00全国） A. as B. since C. until D. before
初中状语从句讲义ppt课件
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,
状语从句(8张PPT)初中英语专项复习课件
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
最新初中英语语法大全——状语从句(共31张PPT)
初中英语语法大全——状语从句 (共31张PPT)
在句中起状语作用的从句叫作状语从句。状语从句 可以位于句前、向中成向居。位于句首时，常用迅 号与主句隔开，位于句中时以句前后须用过号，位 于句居时，从句的前面可以不用逗号。 状语从句主要包括时间状语从句地点状语从句、条 件状语从句、原因状语从句、目的状语从句、结果 状语从句、让步状语从句方式状语从句和比较状语 从句。
（5） since引导时间状语从句意为“自......以来” Since I left school, I have written to him twice. I have not heard from him since he left Shanghai. （6）as soon as引导时间状语从句意为“一.......就.......” I'll tell you as soon as I get here. I want to see him as soon as he arrives.
时间状语从句Байду номын сангаас
（1）when，while，as引导时间状语从句意为“当......时”。
①when表示“....时，多用来表示时间点，也可表示时间段；从句中既可以用非 延续性动词，也可用延续性动词； ②while“表示....的时候;在....时;在....期间”，所引导的时间状语从句的谓语动 词必须是延续性动词或表示状态的动词，且通常用进行时。
（4） until,till引导时间状语从句意为“直到......为止”。 They waited till/until I returned. Mr. Wang kept on explaining until the student understood. 注意： until在肯定句中只与延续性动词连用，在否定句中通常 与非延续性动词连用，表示相应动作开始的时间，意为 “直到.....才”。 He didn't leave until I came back.
在句中起状语作用的从句叫作状语从句。状语从句 可以位于句前、向中成向居。位于句首时，常用迅 号与主句隔开，位于句中时以句前后须用过号，位 于句居时，从句的前面可以不用逗号。 状语从句主要包括时间状语从句地点状语从句、条 件状语从句、原因状语从句、目的状语从句、结果 状语从句、让步状语从句方式状语从句和比较状语 从句。
（5） since引导时间状语从句意为“自......以来” Since I left school, I have written to him twice. I have not heard from him since he left Shanghai. （6）as soon as引导时间状语从句意为“一.......就.......” I'll tell you as soon as I get here. I want to see him as soon as he arrives.
时间状语从句Байду номын сангаас
（1）when，while，as引导时间状语从句意为“当......时”。
①when表示“....时，多用来表示时间点，也可表示时间段；从句中既可以用非 延续性动词，也可用延续性动词； ②while“表示....的时候;在....时;在....期间”，所引导的时间状语从句的谓语动 词必须是延续性动词或表示状态的动词，且通常用进行时。
（4） until,till引导时间状语从句意为“直到......为止”。 They waited till/until I returned. Mr. Wang kept on explaining until the student understood. 注意： until在肯定句中只与延续性动词连用，在否定句中通常 与非延续性动词连用，表示相应动作开始的时间，意为 “直到.....才”。 He didn't leave until I came back.
初中英语语法大全——状语从句(共31张PPT)
（2）in order that引导目的状语从句意为“为了”，所 引导的目的状语从句既可以放在主句前，也可以放在可 以放在主句后。 The teacher spoke very slowly in order that we coul d follow her.
结果状语从句
1. so... that...的用法 在so...that....结构中, so是副词，修饰形容词或副词。引导结果状语从句 时，常用于以下结构: so+形容词/副词 so+many few(+复数可数名词) that+从句 so+much/ little(+不可数名词) so+ 形容词+a(n)+单数可数名词+ that 从句 Kathy is so lovely that we all like to play with her. He made so many mistakes that he failed the exam once again.
初中英语语法大全——状 语从句(共31张PPT)
在句中起状语作用的从句叫作状语从句。状语从句 可以位于句前、向中成向居。位于句首时，常用迅 号与主句隔开，位于句中时以句前后须用过号，位 于句居时，从句的前面可以不用逗号。 状语从句主要包括时间状语从句地点状语从句、条 件状语从句、原因状语从句、目的状语从句、结果 状语从句、让步状语从句方式状语从句和比较状语 从句。
（4） until,till引导时间状语从句意为“直到......为止”。 They waited till/until I returned. Mr. Wang kept on explaining until the student understood. 注意： until在肯定句中只与延续性动词连用，在否定句中通常 与非延续性动词连用，表示相应动作开始的时间，意为 “直到.....才”。 He didn't leave until I came back.
初中英语语法大全——状语从句(共24张PPT)
Kathy is so lovely that we all like to play with her.
He made so many mistakes that he failed the exam once again.
Such a little boy has so little difficulty in working out this problem that I admire him very much.
3、since的用法
(1) since意为“自从....”, 主句常用现在完成时或般现在时 ， 从句常用一般过去时。 eg: I have lived in England since I was three. 自3岁起 我就一直住在英国。 eg: It is two years since I became a college student. 我成为一名大学生已经两年了。
二、地点状语从句
在句子中充当地点状语的从句称为地点状语从句。引 导地点状语从句的从属连词主要有where( ...地 方), wherever(无论问处)等，表示地点方位。 eg: I found all the missing things where I left t hem. eg: Where there is a will, there is a way.
2. such...that...的用法
在such... that... 结构中，such是形容词，修饰名词或名词短语。引导 结果状语从句时，常用于以下结构:
a(n)+形容词+单数可数名词
so+ such+ 形容词+复数可数名词
+that+从句
初中英语语法状语从句课件(共45张PPT)
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。
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。
状语从句ppt课件完整版
复杂。因此，在写作中要适度使用状语从句，保持句子的简洁明了。
拓展阅读资源推荐
语法书籍
《英语语法大全》、《英语语法 手册》等，这些书籍详细介绍了 英语语法的各个方面，包括状语
从句的用法和技巧。
在线资源
英语语法网、英语语法在线等网 站提供了丰富的英语语法知识和 练习题，可以帮助学习者更好地
掌握状语从句的用法。
02
用法说明
03
though和although在从句中不能与but连用，但可以与 副词still和yet连用。
04
as引导的让步状语从句需要部分倒装，即将表语、状语或 动词原形提到as前面。
05
even if和even though引导的从句表示强调的让步，意 为“即使，尽管”。
06
whether...or...和no matter+疑问词引导的从句表示“无 论...都...”，在句中位置灵活。
状语从句的结构和特点
状语从句通常由从属连词引导，从句中的谓语用非谓语形 式（不定式、分词、动名词等）。不同类型的状语从句有 不同的结构和特点，如时间状语从句常用when, while, as 等引导，条件状语从句常用if, unless等引导。
状语从句与并列句、复合句的关系
状语从句与并列句和复合句有密切关系。并列句由并列连 词连接两个或两个以上的简单句，而复合句则包含一个主 句和一个或多个从句。状语从句可以作为复合句中相反的假设条件，主句说明在这个假设条件下会出现的结果。常用if引导， 从句和主句的谓语动词都要用虚拟语气。
典型例句分析
Unless you change your mind, I won't be able to help you.（ 除非你改变主意，否则我帮不了 你。）
状语从句完整版ppt课件
While I really don’t like art, I find his work impressive. ( while =_a_l_t_h_o_u_g_h_ )
While there is life there is hope. (while = __a_s_l_o_n_g_a_s_ )
引导词可分为两部分．
as while when whenever before after until (till) since as soon as
every time next time the first/…time the moment the minute/… instantly immediately directly (一…就…)
We clean the classroom before we leave school every day. 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
◆ 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。
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 post office. -- While you are there, can you get some stamps for me?
I had no sooner begun to talk than he rang off. No sooner had I begun to talk than he rang off. 我还未来得及讲话，他就挂断了电话。
While there is life there is hope. (while = __a_s_l_o_n_g_a_s_ )
引导词可分为两部分．
as while when whenever before after until (till) since as soon as
every time next time the first/…time the moment the minute/… instantly immediately directly (一…就…)
We clean the classroom before we leave school every day. 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
◆ 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。
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 post office. -- While you are there, can you get some stamps for me?
I had no sooner begun to talk than he rang off. No sooner had I begun to talk than he rang off. 我还未来得及讲话，他就挂断了电话。
状语从句(23张PPT)初中英语专项复习课件
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(29张PPT)初中英语专项复习课件
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：
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：
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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.
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3．till不可以置于句首，而until可以。如： Until you told me I had no idea of it.
❖ If she asks me, I’ll tell her. 她如果问我，我就告诉她。（if是从属连词）
❖ You look as if you need a rest. ❖ 你像是需要休息似的。（as if是从属连词）.
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状语从句的种类
1、时间状语从句 when, while, as
soon as, since, until, before, after
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※ as : 当…时；一边…一边；随着……
＊某事一发生，另一事立即发生
As the captain passed me, I asked him whether there was any hope of saving the ship. ＊两个动作同时发生
As the day went on, the weather got worse.
状语从句 讲练
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状语从句
用作状语的从句叫做状语从句。引导状语从句的关联词是 一些从属连词。
❖ 例：
❖ When you cross the road, you must be careful. 当你过马路时要小心。（when是从属连词）
❖ I was late because I missed the bus. 我迟到了，因为我误了公共汽车。 （ because是从属连词）.
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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.
2、条件状语从句 if
3、结果状语从句 so…that
4、比较状语从句 than
5、原因状语从句 because
6、让步状语从句 although, though
7、地点状语从句 精选 where
3
1. 时间状语从句
❖引导时间状语从句的关联词常有：after, before, when, while, whenever, as soon as, as, since, until 等。
We sailed four days and nights before we saw the land.
We hadn’t run a mile before he felt tired.
④肯定句 “ 才” 否定句
“就”
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※till, until和not…until：
1.until/till引导时间状语从句用于肯定句时，主句 的动词是延续性动词，表示动作或状态一直持续 到until/till所表示的时间，意为“某动作一直延续 到某时间点才停止”。如：
It will be half a year before I come back.
②it will be +一段时间 before......多久之后才.
It won’t be half a year before we meet again.
③it won’t be +一段时间 before......不久就....
Before they came back, we had finished the work.
他们回来前，我们已经完成工作了。
We haven’t seen each other since he left.
从他离开后我们没见过面。
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※ 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?
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13Байду номын сангаас
1. _W__h_e_n_ he comes here tomorrow, I will call you.
❖例：
❖ The ball goes up very high after it hits the ground. 这球着地后蹦得很高。
❖ Wait until you’re called. 你等着叫你吧！
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When he came, I was cooking. 他来时，我在做饭。
I’ll call you as soon as I come back. 我一回来就给你打电话。
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※while 的其他含义：
While I was walking down the street, I came across an old friend. ( while =__w_h_e_n__)
He likes pop music, while I am fond of folk
music. ( while =_b_u__t ___)
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★ as的常见用法： 1.She sang as she worked.
一边……一边…… 2. You must try to do as I did.
像…..一样 3. As she was late for class, she had to
say sorry. 由于
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※ before ① 在……前
While I really don’t like art, I find his work impressive. (while=__a_lt_h_o_u_g_h___)
While there is life there is hope. (while=___a_s_l_o_n_g_a_s_____)
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.
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3．till不可以置于句首，而until可以。如： Until you told me I had no idea of it.
❖ If she asks me, I’ll tell her. 她如果问我，我就告诉她。（if是从属连词）
❖ You look as if you need a rest. ❖ 你像是需要休息似的。（as if是从属连词）.
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状语从句的种类
1、时间状语从句 when, while, as
soon as, since, until, before, after
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※ as : 当…时；一边…一边；随着……
＊某事一发生，另一事立即发生
As the captain passed me, I asked him whether there was any hope of saving the ship. ＊两个动作同时发生
As the day went on, the weather got worse.
状语从句 讲练
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1
状语从句
用作状语的从句叫做状语从句。引导状语从句的关联词是 一些从属连词。
❖ 例：
❖ When you cross the road, you must be careful. 当你过马路时要小心。（when是从属连词）
❖ I was late because I missed the bus. 我迟到了，因为我误了公共汽车。 （ because是从属连词）.
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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.
2、条件状语从句 if
3、结果状语从句 so…that
4、比较状语从句 than
5、原因状语从句 because
6、让步状语从句 although, though
7、地点状语从句 精选 where
3
1. 时间状语从句
❖引导时间状语从句的关联词常有：after, before, when, while, whenever, as soon as, as, since, until 等。
We sailed four days and nights before we saw the land.
We hadn’t run a mile before he felt tired.
④肯定句 “ 才” 否定句
“就”
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※till, until和not…until：
1.until/till引导时间状语从句用于肯定句时，主句 的动词是延续性动词，表示动作或状态一直持续 到until/till所表示的时间，意为“某动作一直延续 到某时间点才停止”。如：
It will be half a year before I come back.
②it will be +一段时间 before......多久之后才.
It won’t be half a year before we meet again.
③it won’t be +一段时间 before......不久就....
Before they came back, we had finished the work.
他们回来前，我们已经完成工作了。
We haven’t seen each other since he left.
从他离开后我们没见过面。
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※ 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?
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13Байду номын сангаас
1. _W__h_e_n_ he comes here tomorrow, I will call you.
❖例：
❖ The ball goes up very high after it hits the ground. 这球着地后蹦得很高。
❖ Wait until you’re called. 你等着叫你吧！
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When he came, I was cooking. 他来时，我在做饭。
I’ll call you as soon as I come back. 我一回来就给你打电话。
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※while 的其他含义：
While I was walking down the street, I came across an old friend. ( while =__w_h_e_n__)
He likes pop music, while I am fond of folk
music. ( while =_b_u__t ___)
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★ as的常见用法： 1.She sang as she worked.
一边……一边…… 2. You must try to do as I did.
像…..一样 3. As she was late for class, she had to
say sorry. 由于
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※ before ① 在……前
While I really don’t like art, I find his work impressive. (while=__a_lt_h_o_u_g_h___)
While there is life there is hope. (while=___a_s_l_o_n_g_a_s_____)