状语从句课件(精讲)

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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。

状语从句(完整版)ppt课件

2023 WORK SUMMARY
状语从句(完整版)ppt 课件
REPORTING
目录
• 状语从句概述 • 时间状语从句 • 地点状语从句 • 原因状语从句 • 条件状语从句 • 目的状语从句 • 让步状语从句 • 结果状语从句
PART 01
状语从句概述
定义与作用
定义
状语从句是句子中充当状语成分的从句，用于修饰主句中的动词、形容词、副词或整个句子，表示时间、地点、原因、条件、方式、让步等关系。
When I grow up, I want to be a teacher. (当我长大的时候，我想成为一名老师。)
I was doing my homework when the phone rang. (电话响的时候，我正在做作业。)
Once you start, you must finish it. (一旦你开始，就必须完成它。)
你想去的地方。
They searched for the lost child everywhere. 他们到处
寻找那个走失的孩子。
PART 04
原因状语从句
表示原因的连词
because
语气最强，表示直接的原因或理由，可用于回答 why 提出的问题、引导表语从句、用于强调句
等。
since
语气比 because 弱，但比 as 强，一般用于表示“由于大家已知的事实”。
虚拟语气
在条件状语从句中，可以使用虚拟语气来表达与现在或过去事实相反的情况。
条件状语从句的例句分析
01
02
03
04
05
If you study hard, you will pass the exam. (如果你努力学习，你会通过考试的。)

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…】

英语语法讲解课件-状语从句 ppt课件

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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
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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

状语从句用法详解课件

• 4．有些关联从属连词，如 no sooner … than / hardly … when / scarcely … when / barely …when 等，也能引导时间状语从句。
• △ 如果把no sooner, hardly, scarcely, barely置于句首，它所连带的这部分就要倒装，如：
2．复合连词也可以引导原因状语从句，这些连词有：now (that), seeing (that), considering (that), for the reason that, by reason that, for fear that, that等，如：
Now (that) (= Since) you mention it, I do remember. Now (that) he is absent, you’ll have to do the work by yourself. Now (=Since) the rain has stopped, let’s start. Seeing (that) all the guests have arrived, let’s have dinner. Considering that they are just beginners, they are doing quite a good job. She didn’t go for fear that she would get lost. He has done very well, considering (that) he has no experience. I haven’t finished writing the report yet, not that (= not because) I dislike the work, but that (= but because) be + 形容词+ that ”句型中，主语通常是人，形容词通常为：glad, happy, pleased, sorry 等表示感情的形容词，这时that 可以看作原因状语从句，如：

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：

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连接词类别作用
例句
as
as 表示“当……的时候”，往往和 when/ while 1.She came up as I was cooking.（同时）
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。
2.The runners started as the gun went off.（几
towel ____ I heard the steps. A. while B. when C. since D. after
答案： B 解析：下划线处表示 “正在这时，突然……”，四个选项中只有when可以表示此含义。
• 引导时间状语从句的连接词除上述外还有： • ① till, not … until …, until, before, since • Don’t get off the bus until it has stopped. • He waited for his father until (till) it was twelve o’clock. • It will be five years before he returns from England.
• ② hardly / scarcely … when, no sooner … than, as soon as once表示“一……就” • As soon as I have finished it , I’ll give you a call. • Once you show any fear, he will attack you. • We had hardly got / Hardly had we got into the country when it began to rain. • No sooner had he arrived / He had no sooner arrived than she started
___ my daughter heardafter
B. while
C. since D. when
• 答案：D • 解析：句意为—— 星期五那天，当我们正准备出发去过周末的时
候，我的女儿听到有人叫救。易混淆：在while和when这里犹豫。
对比： (2006湖南) 2. I had just stepped out of the bathroom and was busily drying myself with a
状语从句
制作者：倪鹏吴伟坚演讲者：吴年丽组员：秦翌翔魏琴刘雪莹
条件状语
结果状语
地点状语
目的状语
原因状语时间状语
比较状语
方式状语让步状语
1、时间状语从句
常用引导词:when, as, while, as soon as, while, before, after, since , till, until 特殊引导词:the minute, the moment, the second, every time, the day,the instant,
complaining.
• ③ directly, immediately, the moment, the minute that… 一……就 • He made for the door directly he heard the knock.
The children ran away from the orchard(果园) the moment they saw the guard.
No sooner had I arrived home than it began to rain. Every time I listen to your advice, I get into trouble.
immediately , directly, no sooner … than, hardly …when, scarcely … when
例句 I didn't realize how special my mother was until I became an adult. While John was watching TV, his wife was cooking.
Back to
延续性动词表达的动作能够延续，如：keep保存，维持；walk走路；read 阅读等；非延续性动词也称瞬间动词，所表达的动作不能够延续。如：hear 听到；return 归还；see看见。
school
1.（11浙江4）
One Friday, we were packing to leave for a weekend away
while 意思是“当……的时候”或“在某一段时间里”。
从句动作和主句动作同时发生，且从句动作为延续性动词时，when，while，as都可使用。
主句中的动作或事情是在从句中的动作或事情的进展过程中发生，从句中的动词一般要用延续性动词。
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.
乎同时）
when
既可以表示在某一点的时候，又可表示在某一段时间内。
when可以和延续性动词连用，也可以和短暂性动词连用；而while和as只能和延续性动词连用 ;
when从句的谓语动词可以在主句谓语动作之前、之后或同时发生；while和as从句的谓语动作必须是和主句谓语动作同时发生。
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。
while