状语从句经典课件 PPT
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高中英语语法课件_状语从句 (共42张PPT)
whether…or…
whether…or…引导的让步状语从句： △ 这种从句也称“选择条件-让步状语从句”，可位于 主句之前或之后，如： 1.Whether you like it or not, you’ll have to do it. 2. We hold that all countries, (whether they are) big or small, (whether they are) rich or poor, should be equal. 3. Whether it rains or snows, I will go tonight. 5. She had to go, whether or not she wanted it.
2) 一些表示时间的名词词组也可引
导时间状语从句。如：the moment, the minute, （一…就）next time （下次）, every/each time （每 次）。 e.g. The moment he comes, I will tell him.
4) as soon as, immediately, directly, instantly 等副词也可引 导状语从句。表示“一…… 就……”。
.
1. I was so familiar with him that I recognized his voice ______ I picked up the phone. A. while B. after C. In case D. the minute 2. How long do you think it will take _______ our product becomes popular with the consumers? A. when B. until C. before D. since
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(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
初中英语语法状语从句课件(共45张PPT)
• 3）than 意为“比……更……”； • The boy is taller_than_his_father. (比他的父
亲还高)
4）比较状语从句通常与倍数表达法结合起来运用。
①A +is…times +as+ adj.原级+as +B ②A +is…times+ adj.比较级+than +B ③A +is…times+ the size/length/height/width/depth +of + B ④The size/length/height/width/depth… +of+ A+ is…times of +B
where引导 A句+where+B句 在B句…地方, A句… 在环境污染严重的地方，许多珍稀物种处于灭 绝的边缘。
Many rare animals are on the verge of extinction where environmental pollution is serious.
三、条件状语从句 1. If引导的条件句 2. Unless 3. Once 4. As long as
• 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.
• 5. A句+since+B句/时间短语 【自从B句…,A句就…】
自从手机发明以来，人们的生活发生了巨大变化。
五、目的状语从句
A句+in order that+B句 A句+so that+B句 【A句…是为了B句…】
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
英语语法讲解课件-状语从句 ppt课件
ppt课件 10
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状语从句分类
1. 2. 3. 4. 5. 6. 7. 8. 表示时间 表示地点 表示原因 表示结果 表示目的 表示条件 表示让步 表示比较
ppt课件 12
表示时间
一、时间状语从句 • When, as ,while, • before, after, • till, Until, • as soon as, • The moment, the minute, the first time…. （名词性短语）
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E.G. 1. He was so angry that he left the room without a word. 他很生气,一句话不说就离开 了房间。 2. It is such a heavy box that nobody can move it. 3. The box is so heavy that nobody can move it. 4. The box is so heavy as nobody can move . 5. I didn’t go early, so that I didn’t get a seat.
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表示比较
八、比较状语从句
主要由 • than， • as...as, • the more…the more • 这类从句常常有一些成分没有表示出来:
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E.G.
• The more you eat, the fatter you are. • John is less clever than Tom. • He is not so/as clever as his brother.
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状语从句分类
1. 2. 3. 4. 5. 6. 7. 8. 表示时间 表示地点 表示原因 表示结果 表示目的 表示条件 表示让步 表示比较
ppt课件 12
表示时间
一、时间状语从句 • When, as ,while, • before, after, • till, Until, • as soon as, • The moment, the minute, the first time…. （名词性短语）
ppt课件 21
E.G. 1. He was so angry that he left the room without a word. 他很生气,一句话不说就离开 了房间。 2. It is such a heavy box that nobody can move it. 3. The box is so heavy that nobody can move it. 4. The box is so heavy as nobody can move . 5. I didn’t go early, so that I didn’t get a seat.
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表示比较
八、比较状语从句
主要由 • than， • as...as, • the more…the more • 这类从句常常有一些成分没有表示出来:
ppt课件 31
E.G.
• The more you eat, the fatter you are. • John is less clever than Tom. • He is not so/as clever as his brother.
ppt课件
状语从句讲解(共42张PPT)
He hurried home, looking behind as he went. 随着考试的临近，一些学生越来越紧张。
As the examination is drawing near, some students are getting more and more nervous. With the exam drawing near, some…
状语从句：也就是说由一个句子充当状语，它可以用来修饰谓语 （包括非谓语动词）、定语或状语，或是整个句子。
状语从句
时间 地点 条件 原因 让步 方式 结果 目的 比较
状语从句的概念及判定
判断下列从句为什么从句：名词性从句；定语从句；状语从句
1( .定Do语you) still remember the days which we spent in Beijing?
当…的时候
as
一边…一边；随着
as time went by = with time going by
while
在…的期间; 趁着… Strike the iron while it is hot.
一、时间状语从句 when
课上我正睡觉，突然听到有人喊我名字。 I was sleeping in class when I heard my name called. 我正要出门，突然有一位不速之客来访。
I was about to go out when an unexpected guest came to visit me.
她刚刚完成作业，她妈妈就让她练习钢琴。
She had just finished her homework when her mother asked her to practice playing the piano yesterday.
As the examination is drawing near, some students are getting more and more nervous. With the exam drawing near, some…
状语从句：也就是说由一个句子充当状语，它可以用来修饰谓语 （包括非谓语动词）、定语或状语，或是整个句子。
状语从句
时间 地点 条件 原因 让步 方式 结果 目的 比较
状语从句的概念及判定
判断下列从句为什么从句：名词性从句；定语从句；状语从句
1( .定Do语you) still remember the days which we spent in Beijing?
当…的时候
as
一边…一边；随着
as time went by = with time going by
while
在…的期间; 趁着… Strike the iron while it is hot.
一、时间状语从句 when
课上我正睡觉，突然听到有人喊我名字。 I was sleeping in class when I heard my name called. 我正要出门，突然有一位不速之客来访。
I was about to go out when an unexpected guest came to visit me.
她刚刚完成作业，她妈妈就让她练习钢琴。
She had just finished her homework when her mother asked her to practice playing the piano yesterday.
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
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does not include a country that is home to one fifth of mankind. （2000全国） A．as long as B. While C．if D．even though
时间状语从句的连词
1.once, as soon as ( immediately, directly, instantly, the minute/moment/instant )
hardly/scarcely … when , no sooner…than
2. every/each time, next time , the first/second / last time … by the time …
1. I left school ten years ago. 2. I have left school since ten years ago.
3. I have left school for ten years ago. 4. It is ten years since I left school.
A. until B. unless C. after D. because
until / till “直到……止”(肯定句，主句是延续 性动词); not…until “直到……才”(否定句，主句是终 止性动词);
until 可用于倒装句和强调句，till不用于句 首。
Not until I returned did she finish her
He fell asleep before I could take off his clothes.
注意：这时before 本身含有否定意义， 从句不能再用否定句．
翻译：铃还没响，学生们就冲出了教室．
The students rushed out of the classroom before the bell rang.
____ D
国卷）
it is needed. （03全
A．unless B．since
C．although D．when
复习when 时要注意比较它与 while 与 as 的区别。
when, while, as 三者的具体用法关键在于动作发生的时
间及从句的动词。
while 表时间，从句需用延续性动词，不用瞬间动词； when 表时间，从句既可用延续性动词，又可以用瞬间动词； as 表时间，与when 相似，但侧重强调主、从句动作同点
或同段进行，可用延续行动词的一般过去式表式过去进行时。 (一边…一边; 随着…)
when, while 后还可以接分词短语。
when 作并列连词，表示一个动作在发生时， 另一个动作接着发生，这时就不能用while、 as。
I was walking on the street when suddenly someone patted me on the shoulder. while 作并列连词，表示两种情况对比。
the money you owed her?
— Yes, I gave it to her _____B__ I saw her. （01北京春季）
A．while B．the moment C．suddenly D．once
地点状语从句----- where / wherever 例题 Make a mark____C____ you have a question. A. in which B. there C. where D. that
2. We saw an English film _f_o_r _th_e_fi_rs_t_ti_m_e_____last night.
3. This is __th_e_f_ir_st_t_im_e__ that we have seen the famous star.
Since (conj./ prep./ adv.) 1.I haven`t heard from him since I left school. 2. We have lived here since 2003/ ten years ago. 3. They have never seen it ever since.
It + be + some time + since-clause 这个句型表示从 since 从句谓语动作发生以后到现在或过去所经过 的一段时间，意为“自从......以来已多久了” It is + some time since … ( did ) It has been + some time since ..( did ) It was + some time since ( had done ) 1. It is ten years since I left here. 2. It is three years since his father passed away .
A. It was since he broke the law B. It was because he broke the law. C. It was as he broke the law. D. It was that he broke the law.
because ; as; since ---- ( now ) that / seeing that Since you don`t feel well , you may stay at home as well. As he is honest and diligent , everyone likes him.
Make a mark in a place where you have a question.
Translating • I found my books where I had left them. • You can go wherever you like. • Where there is a will , there is a way. • Wherever you go , you won`t be welcome. • Where there is plenty of sun and rain , the
6.用在“It was/will be (not)+一段 时间＋before 从句”中，译作“才” “就”
(1) It was not long before he left for the United States. (2) It was three weeks before they arrived at the mountain village. (3) It will be four years before we meet again.
4.表示“趁着没…” “以免”
We want to buy something now before prices go up.
5.表示“不知不觉地…就”常用于句 型before one knew it.
Time passed quickly and three months went by before Aqiao knew it.
5. We have lived here for ten years. 6. It is ten years since we lived here. We haven`t lived here for ten years . 短暂动词表示动作开始… ; 延续动词表示动作结束
问题4：
— Did you remember to give Mary
3. When / whenever
# When I came in , some students were sleeping. Whenever you are in trouble, I`ll help you.
1.___T_he__fir_s_t _tim__e __ I met him , he was dressed very well.
A．after B．unless C．until D．When
2) Simon thought his computer was broken
_fo_r_g_oA_t_te_n_
his little to turn it
brother pointed out that on. （05北京春季）
he
had
Where did you study before you joined the army?
2.表示“．．．才”强调从句的动作发生得 晚或慢．
He had walked for a whole day before he found water.
3.表示“还没来得及…就”强调在从 句动作发生之前, 主句动作已发生.
homework.
It was not until I returned home that she
finished her homework.
问题3： 1、The American Civil War lasted four years __B____ the North won in the end. (05广东卷)
fields are green.
Ex. 1. You should put your book ___C______ it belongs.
A. to which B . to where C. where D. which
2. Young people should go _____C__________.
状语从句
状语从句考点
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、状语从句的倒装问题； 5、状语从句与其它从句的区别。