(汇总)初中英语时间状语从句.ppt

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(时间状语从句)-PPT

(时间状语从句)-PPT

大家好
13
【典例2】Henry will give us a report as soon as he ______.
A. arrives
B. arrived
C. is arriving
D. will arrive
解析
考查时间状语从句连接词。句意:亨利一回来就给 我们作报告。as soon as为时间状语引导词,遵循 “主将从现”原则,故答案选A。
大家好
16
语法加油站
总结本单元的语法知识,你掌握了吗
3. as 1)表示“当……时”、“和……同时”。从句中多用表示动作 的动词,而不用be动词或表示感觉、理解、知道这类动词。 She dropped the glass as she stood up. 2)用于平行的动作中,表示“一边……一边……"。常指一 个主语同时进行两个动作。
as: 1. She came up as I was cooking.(同时)
大家好
10
易错点3 when/while/as的区别 when:
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) 3. When I got to the airport,she had left.(got to后发生)
He sang as he worked. 3)用于平行发展的结构中,表示"随着……"。 As it grew darker it became colder. As he grew older he became more confident.

初中英语状语从句课件(共68张ppt)

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

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)

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…】

初中英语语法状语从句(共16张PPT)

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 )

初中英语语法课件 时间状语从句

初中英语语法课件 时间状语从句

It will be four days before they come back. 他们要过四天才能回来。 Einstein almost knocked me down before he saw me. 爱因斯坦几乎把我撞倒才看到我。 My father had left for Canada just before the letter arrived.我父亲恰好在信到之前去加拿大了。
由till或until 引导的时间状语 从句
till和until一般情况下两者可以互换,但是在强调句型中多 用until。 如果主句中的谓语动词是瞬时动词时,必须用否定形式; 如果主句中的谓语动词是延续性动词时,用肯定或否定形式 都可以,但表达的意思不同。 till不可以用在句首,而until可以放在句首。
由before和 after引导的时 间状语从句
一般情况下,before和after引导的时间状语从句的主句用 将来时,从句用现在时。 before引导的主句谓语用过去完成时,则从句动词多用一般 过去时。 After表示主句动作发生在从句动作之后。 主句和从句的动作的时间关系正好与before引导的从句相反。
由when引导的 时间状语从句
when意为“当......时”,引导时间状语从句,表示 主句的动作和从句的动作同时或先后发生。 Faith is the bird that feels the light when the dawn is still dark. 信念是黎明前的黑夜里能感受到光明的鸟儿。 When I was wandering in the street, I met her. 我在街上徘徊的时候遇到了她。
They had not been arried four months before they were divorced. 他们结婚还不到四个月就离婚了。 After we had finished the work, we went home. 完成工作之后,我们回家了。(从句用过去完成时,主句用一般 过去时)

初中英语时间状语从句PPT讲稿

初中英语时间状语从句PPT讲稿

While my wife was reading the newspaper, I was watching TV.
While Jim was mending his bike, Lin Tao came to see him.
While they were talking, the bell rang.
延续性动词
• 表示能够延续的动作,这种动作可以延续
下去或产生持久影响。如:study, work, stand, lie, know, walk, keep, have, wait, watch, sing, read, sleep, live, stay等。
终止性动词
也称非延续性动词、瞬间动词或点动词,表 示不能延续的动作,这种动作发生后立即结束。 如:open, die, close, begin, finish, come, go, move, borrow, lend, buy,arrive,reach,fall, give,join,marry等。
表示某一点时间.在while引导的时间状语 从句中,其谓语动词只能是延续性的,而且 也只能与主句中的谓语动词同时发生或 存在.
• 例如:1、While Jim was mending his
bike,Lin Tao came to see him.正当吉姆 修自行车时,林涛来看他.
• 2、You can’t do your homework while
You can’t do your homework while you’re watching TV.
as
• 由as引导的时间状语从句,[表示时间]当..., 的时候 , 一边...
一边, 随着。
• 如: • 1. She sang as she worked. • 她一边工作一边唱歌。 • 2. I saw him as he was getting off the bus. • 正当他下公共汽车时, 我看见了他。 • 3. As a child, he lived in America. • 他小时候住在美国。 • 4. You will grow wiser as you grow older. • 随着你年令的增长, 你会变得更聪明。

中考英语语法专项 时间状语从句的时态问题(共21张PPT)

中考英语语法专项 时间状语从句的时态问题(共21张PPT)
A. comes B. came C. has come D. will come Ask your friend to call me back as soon as she_________back tomorrow.
A. will cBome B. comes C. coming
初三英语语法
完成时态,不能用一般将来时、过去将来时态或将来完成 时,而要用相应的一般现在时态、一般过去时或现在完成 时来代替。
从句现在时态
I telephone you as soon as I get there.我一到达
那里就打电话给你。
I go on with the work when I come back tomorrow.
注意:如果主句是一般将来时,从句只能用一般现
在时表示将来意义。
时间状语从句概述
例如: It was raining hard when we got to school yesterday. 昨天我们到达学校时,雨下得很大。 While he was doing his homework, the telephone rang. 当他正在做作业时,电话铃响了。 As he walked along the lake, he sang happily. 当他沿着湖边散步时,他高兴地唱着歌。 He had learned a little Chinese before he came to China. 他来中国之前学过一点汉语。 After he finished middle school, he went to work in a factory. 中学毕业后,他去了一家工厂工作。
2.时态的呼应
时态呼应一般来讲,复合句都要遵循主、从句时态呼应规律, 状语从句也不例外。
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• Since he met this good friend, he has made great progress in his studies. (自从遇见了这个好朋友, 他已在学习上取得了巨大的进步)
• It is twenty years since she joined the Party. • (她入党二十年了。)(主句中的动词表示的不是延续动作,
时间状语从句
时间状语从句
引导时间状语从句的普通类从属连词有 when(当……时), while(在……期间), as(当……,一边……一边……), before(在……之前), after(在……之后), since(从……以来), till/until(直到), as soon as(一……就)等。
• (我不在时,请照看一下我的小妹妹。)
• While we were watching TV, Jim came in.
• (我们看电视的时候,Jim进来了。)# Nhomakorabeaas
• 由as引导的时间状语从句,[表示时间]当..., 的时候 , 一边... 一边, 随着。其从句的主语与主句的主语往往是同一人或物,
• 如: • 1. She sang as she worked. • 她一边工作一边唱歌。此句主从句还可使用进行时 She
was singing as she was working. • 2. I saw him as he was getting off the bus. • 正当他下公共汽车时, 我看见了他。 • 3. As a child, he lived in America. • 他小时候住在美国。 • 4. You will grow wiser as you grow older. • 随着你年令的增长, 你会变得更聪明。
#
before
• before引导的从句:一般表示主句的动作发生在从句动 作之前。
• 例: • I didn’t know any English before I came here. • (我到这儿来之前,一点英语都不懂。)(虽然主句的动
作发生在从句动作之前,主句和从句中动词都可用过去 时。) • I had written my report before my father came back. • (我父亲回来之前,我已写完我的报告。) • (为了表明主句的动作发生或完成在从句动作之前,主 句动词一般用过去完成时,从句中动词用过去时,以区 分动作的先后。)
#
#
when
• 由“when” 引导的从句:表示主句的动作和 从句的动作同时发生,或从句的动作发生在主 句动作之前。
例: 1. I was going out when a visitor came.
(我正要出门,有客人来访。)(动词同时发生。) 2. I shall tell her the good news when she
而是状态, 用现在时。) #
until
• until 引导的从句: • a.表示“直到…,主句和从句都用肯定式 • b.表示“直到……才”,主句用否定式,从 • 句用肯定式。 • 例:They worked until it was late. • (他们一直工作到天黑。) • She didn't go to bed until she (had)
#
since
• 6.since引导的从句:表示“自从……以来“,从句中的 动词一般表示动作的起点,用过去时。主句中的动词表示 动作延续的情况,一般用现在完成时。如果主句中的动词 表示的不是延续的动作而是表示目前的状态,可用一般现 在时。
• It is years since +一般过去时(公式) • 例:
comes. (她来时,我将告诉她这个好消息。)
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while
while 引导的从句:表示“当……过程中”,强 调某一段时间内主句和从句中谓语动词所表示的 动作在同一时期发生。while指“在某一段时间 里”,“在…期间”,while引导的动作必须是持 续性的。
• 例:
• Keep an eye on my little sister while I am away.
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after
• after引导的从句:表示主句的动作发生在从句动 作之后。
• 例:After he locked the door, he left. • (他锁上门,就走了。)(虽然从句的动作在前,
主句的动作在后,但表示过去发生的连续动作, 都可用过去时。) • After he had finished his work, he played a game of chess with his friend. • (他做完工作后,和朋友下了一盘棋。)(“做完工作” 在前,“下棋”在后,为了表明动作的先后,从 句中的动词一般用过去完成时,主句 • 中的动词用过去时。)
finished her homework. • (她一直到写完作业才睡觉。)
#
as soon as
• as soon as 引导的从句表示“一…… 就”。
• 例:As soon as she came to the classroom, she began to read English.
• (她一到教室,就开始读英语。) • 考点: as soon as 遵循主将从现 • I will visit Dr.Li as soon as I arrive.
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