状语从句精讲PPT课件

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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.

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

状语从句PPT课件(精讲)

连接词类别
作用 as 表示“当„„的时候”，往往和 when/ while 通用，但它着重强调主句与从句的动作或事情同时或几乎同时发生。
例句 1.She came up as I was cooking.（同时） 2.The runners started as the gun went off.（几乎同时） 1.When we were at school, we went to the library every day.（在一段时间内） 2.Sorry，I was out when you called me．（ call为短暂性动词）对不起，你打电话时我刚好外出了。 3. When I got to the airport，the guests had left．（got to后发生）当我赶到飞机场时，客人们已经离开了。 1.When ／While ／As we were dancing，a stranger came in．（dance为延续性动词）。 2.Please don’t talk so loud while others are working.
8、比较状语从句常用引导词:as(同级比较), than(不同程度的比较) 特殊引导词:the more … the more … ; just as …, so…; A is to B what /as X is to Y; no … more than; not A so much as B 例句 She is as bad-tempered as her mother. The house is three times as big as ours. The more you exercise, the healthier you will be. Food is to men what oil is to machine. 食物之于人,犹如油之于机器。

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

时间状语从句PPT-课件

时间状语从句
目录
• 时间状语从句的定义 • 时间状语从句的用法 • 时间状语从句的时态 • 时间状语从句的特殊用法 • 时间状语从句的注意事项
01
时间状语从句的定义
什么是时间状语从句
时间状语从句是用来表示动作或事件发生的时间的从句，通常放在主句之前或之后，修饰主句中的谓语动词。
时间状语从句通常由连词引导，如when、while、 before、after等。
在某些情况下，过去时间状语从句也可以使用过去进行时态，强调过去某个时间点正在发生的动作或状态。例如：“When I was walking home, I saw a dog running towards me.”
将来时间状语从句的时态
要点一
将来时间状语从句通常使用一般将来时态，表示将来某个时间…
在某些情况下，现在时间状语从句也可以使用现在进行时态，强调正在发生的动作或状态。例如：“When I am watching TV, my dog comes and sits next to me.”
过去时间状语从句的时态
过去时间状语从句通常使用一般过去时态，表示过去某个时间点或时间段发生的动作或存在的状态。例如：“When I was young, I loved to play outside.”
01 时间状语从句是主句的时间状语，表示主句动作
发生的时间点或时间段。 02
示例：I will call you when I finish work. （我下班后会给你打电话。）
时间状语从句中的虚拟语气
在时间状语从句中，有时需要使用虚拟语气来表示与实际情况相反的情况。
示例：If I had known the answer, I would have told you. （如果我早知道答案，我早就告诉你了。）

英语语法讲解课件-状语从句 ppt课件

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11
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-PPT课件

By the time he was fourteen, he had taught himself
advanced mathematics.
Each time he came, he would call on me.
You must show him in immediately he comes.
saw him.
--- Did you remember to give Mary the money you owed her? --- Yes, I gave it to her ______ I saw her.(’01全国春招）
A. while B. the moment C. suddenly D. once
2) She found her calculator _____ she lost it.(’00上海）
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：
1) I do every single bit of housework____ my husband Bob just does the dishes now and then.(’04广西）
2) A. since B. while C. when D. as
2) He was about to tell me the secret____ some one patted him on the shoulder. (’02上海）
*when 可表示“如果”。如：
Don’t be afraid of asking for help_____ it is needed. (’03全国）

高中英语状语从句课件(共46张PPT)知识讲解

As he is a child, he knows a lot.
As he might try, he wouldn’t succeed.
注：
如果主句是短暂性动作，从句是延续性动词的进行时态表示在段时间内正在进行的动作时，when,while,as 可互换。
When/While/As I was walking down the street, I came across an old friend of mine.
while的用法
1. while“当……的时候”,从句的动作必须是延续性的 Please don’t talk so loud while others are working.
2. while “趁…的情况赶紧做” Strike while the iron is hot.
3. while“尽管，虽然”，相当于although
注意：从句通常将作表语的adj/n.、作状语的adv、作谓语的 do(情态动词后的动词原形)提到句首, 但单数名词前的冠词必须省略。）
As he was tired,he refused to take a rest.
As he worked hard, he can’t work out the problem.
4）It was not +时间段 +before… “没过……就……” It wasn’t long before he left the country.
从句和主句的时态： 1. 一致：过去式 2.主将从现
until (till)
肯定句:(一直)...为止 He waited until/till his mother came back.
状语从句

高考英语状语从句精讲PPT课件

It is four days since she was ill.
从句谓语动词为延续性动词，表示“自……结束以来，已经过去多长时间了”。
till, until和not…until用法： 1.until/till从句用于肯定句时，主句的动词是延续性动作，意为“某动作一直延续到某时间点才停止”。 2．用于否定句时，主句谓语动词是非延续性动词，意为“某动作直到某时间才开始”。 3．till不可以置于句首，而until可以。 ※4．not…until句型中的强调和倒装说法：
Conclusion: 1.because直接原因，语气最强．回答why,
用于强调句型。
2.since表示“既然”，语气较弱；强调对方已经知晓，无需加以说明的原因，只可以放在句首。
3.As“由于”，语气最弱，表示往往是十分明显的原因，常放在句首，比较口语化。
4.For 并列连词，放句中，对前面一句话的内容的补充说明，或给出判断的依据。
before, since常考句型 1.John thinks it won’t be long_____ he
is ready for his new job . A. when B. after C. before D. since
2.2. He was told that it would be at least three more month，s_______ he could recover and return to work. A. when B. before C. since D. that
3）句型It be＋一段时间＋since… ,该句型主句和从句中动词谓语时态的搭配很严格。
It is/has been … since sb. did sth. 如：

专四语法考点串讲状语从句ppt课件

• 考点四：no matter +疑问词相当于疑问词+ever: 不管…都…
五、地点状语从句
• where/ wherever （wherever --- 无论哪里）
• 考点聚焦：地点状语从句和where定语从句的区别：
• Tips: 判断是定语从句还是地点状语从句，要看从句前是否有先行词，有先行词的是定语从句，否则是状语从句。
• （6）It was not + 时间段 + before从句“没过多长时间就……”
二、条件状语从句
• 连接词：if , unless( 如果..不，除非), so/as long as（只要）, on condition that（条件是），as (so) far as ( 据.. 所知), provided that（要是，如果）， in case(万一，假使)，等
• 考点二：while 尽管
• eg. While I have sympathy for you, I can’t help you.
• 考点三：Whether ---不管，常与or not 连用
• Eg. Whether he is good or not, the company decided to send him abroad.
• Since everyone makes mistakes in life, you needn’t scold him for it.
• The day breaks, for the birds are singing.
• 考点二、 when 既然
• Eg. How can you expect to learn anything when you never listen?

高考英语一轮复习——状语从句精讲课件(共70张PPT)

married. =It has been three months since he
got married.
every time, next time, the day
Every time I listen to your advice, I get into trouble.
Next time you come, please bring your composition.
until可放句首，可用强调句型。Till不可句型转换：
直到我们向他们指出了他们的错误，他们才意识到。 1. They didn‘t realize their fault until/till we
pointed it out to them . 2. Not until we pointed out their fault to them did
don’t practice more.
in case（万一),once(一旦）
In case I forget, please remind me about it.。
In case you need something, please don't hesitate to let me know.
that
If (如果）; unless（除非）；
We shall have a picnic if it is a fine day tomorrow.
unless=if not You will never play the piano well unless
you practice more. =You will never play the piano well if you

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
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though和although在从句中不能与but连用，但可以与副词still和yet连用。
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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。）

状语从句公开课 PPT课件

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）

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。

状语及状语从句语法加练习完整讲解ppt课件

在整堂课的教学中，刘教师总是让学生带着问题来学习，而问题的设置具有一定的梯度，由浅入深，所提出的问题也很明确
The Adverbial Clauses 状语从句
在整堂课的教学中，刘教师总是让学生带着问题来学习，而问题的设置具有一定的梯度，由浅入深，所提出的问题也很明确
（2）较短的状语放在较长的状语前面。 Our plane will arrive at eight o'clock this evening at the International Airport in the eastern suburbs of Beijing. 我们的飞机将于今晚八点到达北京东郊国际机场。
在整堂课的教学中，刘教师总是让学生带着问题来学习，而问题的设置具有一定的梯度，由浅入深，所提出的问题也很明确
2．时间状语： I learned a lot from the peasants when I lived in the countryside．我在农村生活时，向农民学到很多东西。
在整堂课的教学中，刘教师总是让学生带着问题来学习，而问题的设置具有一定的梯度，由浅入深，所提出的问题也很明确
2. 地点和时间状语同时出现在一个句子中：（1）地点状语放在时间状语前面。 He was born in Beijing in 1979. 他1979年出生于北京。
5．分词（短语）： He sat there reading a novel．他坐在那儿看小说。 The students went away laughing．学生们笑着走开了。
在整堂课的教学中，刘教师总是让学生带着问题来学习，而问题的设置具有一定的梯度，由浅入深，所提出的问题也很明确

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