原因状语从句 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
状语从句(完整版) ppt课件
例句翻译：我们自从分手以后一直没见过面。
We haven’t seen each other since we parted. 常用句型：It has been (is) + 时间段 + since从句
“自从……有多长时间了 ”
例句翻译：自从她大学毕业已经有六年时间了。
It has been (is) six years since she graduated from the
______ 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
＊尽管／虽然／鉴于／如果／届时／
e.g. He walks when he might take a taxi. 虽然
The Queen will visit the town in May, when she will open the new hospital. 届时
How can you hope for mercy yourself when
e.g.— I’m going to the post office. -- While you are there, can you get some stamps for me?
＊过去情况
e.g. I hurt my should while I was doing gym.
ppt课件
6
While 在句中的不同含义:
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
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。
《原因状语从句》课件
01 位置
原因状语从句通常位于主句之后，但也可以位于 主句之前，用逗号隔开。
02 功能
描述主句中事件发生的原因，补充说明主句的含 义。
03 总结
从句在句子中的位置和功能取决于语境和表达的 需要，但通常用于补充说明主句的含义。
原因状语从句与其他从句的区分
区别
原因状语从句强调事件发生的原 因，而其他从句如条件状语从句 、时间状语从句等则强调事件发
《原因状语从句》 ppt课件
目录
• 什么是原因状语从句？ • 原因状语从句的用法 • 原因状语从句的时态和语态 • 原因状语从句的常见错误和注意事
项 • 练习和巩固
01
什么是原因状语从句？
定义和功能
定义
原因状语从句用来描述主句动作发生的原因，通常放在 主句之后。
功能
提供动作发生的原因，解释主句动作的逻辑关系，增强 句子的逻辑性和连贯性。
结构和特点
01
结构
原因状语从句由连词引导，如because、since、 as等。
02
特点
从句内部通常包含表示原因的状语，如时间、方 式、条件等。
常见表达方式
“because+简单句”
最常用的表达方式，直接说明原因。
“since+简单句”
表示已知的原因，暗示双方都明白。
“as+简单句”
与since相似，但语气更随意。
详细描述
在选择时态和语态时，应根据语境和语法规则进行判断。确保时态和语态的使用 准确无误，以避免产生歧义或错误理解。同时，也要注意时态和语态的一致性， 确保整个句子的时态和语态协调统一。
05
练习和巩固
单句填空练习
总结词
提高语法应用能力
原因状语从句通常位于主句之后，但也可以位于 主句之前，用逗号隔开。
02 功能
描述主句中事件发生的原因，补充说明主句的含 义。
03 总结
从句在句子中的位置和功能取决于语境和表达的 需要，但通常用于补充说明主句的含义。
原因状语从句与其他从句的区分
区别
原因状语从句强调事件发生的原 因，而其他从句如条件状语从句 、时间状语从句等则强调事件发
《原因状语从句》 ppt课件
目录
• 什么是原因状语从句？ • 原因状语从句的用法 • 原因状语从句的时态和语态 • 原因状语从句的常见错误和注意事
项 • 练习和巩固
01
什么是原因状语从句？
定义和功能
定义
原因状语从句用来描述主句动作发生的原因，通常放在 主句之后。
功能
提供动作发生的原因，解释主句动作的逻辑关系，增强 句子的逻辑性和连贯性。
结构和特点
01
结构
原因状语从句由连词引导，如because、since、 as等。
02
特点
从句内部通常包含表示原因的状语，如时间、方 式、条件等。
常见表达方式
“because+简单句”
最常用的表达方式，直接说明原因。
“since+简单句”
表示已知的原因，暗示双方都明白。
“as+简单句”
与since相似，但语气更随意。
详细描述
在选择时态和语态时，应根据语境和语法规则进行判断。确保时态和语态的使用 准确无误，以避免产生歧义或错误理解。同时，也要注意时态和语态的一致性， 确保整个句子的时态和语态协调统一。
05
练习和巩固
单句填空练习
总结词
提高语法应用能力
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…】
高中英语状语从句课件(共124张PPT)
Business English Certificate
about BEC, I came to realize that what I learnt was really tiny.
当我了解有关BEC相关的信息后，我才发现自 己所学的简直是九牛一毛。
时间状语从句
since 自从……
We haven’t seen each other since we parted. 我们自从分手以后一直没见过面。 备注：主句常用现在完成时，从句 常用一般过去时。
时间状语从句 as when while
时间状语从句
as 正当…… 一 边……一边…… 随着……
1. 表示某事一发生，另一事立即发生
As the suvn. 出ro现ser,istehe fog disv.a消pp失eared.
n. 任期
As he sets out on his second term,
3. 表示两个动作同时发生。 She sang as soon as she did some washing. Report as soon as anything happens.
do some cleaning do some coo
4. 表示“随着…..”。常指一个行为是 另一个行为的结果，或一种状态随另一 种状态变化。
mistakes.
过不了多久，他就会意识到自己的错误。
时间状语从句
after 在……之后
After you use plastic bags, you mustn’t throw them about.
用过了塑料袋之后，不准到处乱扔。
After I got the relevant information
about BEC, I came to realize that what I learnt was really tiny.
当我了解有关BEC相关的信息后，我才发现自 己所学的简直是九牛一毛。
时间状语从句
since 自从……
We haven’t seen each other since we parted. 我们自从分手以后一直没见过面。 备注：主句常用现在完成时，从句 常用一般过去时。
时间状语从句 as when while
时间状语从句
as 正当…… 一 边……一边…… 随着……
1. 表示某事一发生，另一事立即发生
As the suvn. 出ro现ser,istehe fog disv.a消pp失eared.
n. 任期
As he sets out on his second term,
3. 表示两个动作同时发生。 She sang as soon as she did some washing. Report as soon as anything happens.
do some cleaning do some coo
4. 表示“随着…..”。常指一个行为是 另一个行为的结果，或一种状态随另一 种状态变化。
mistakes.
过不了多久，他就会意识到自己的错误。
时间状语从句
after 在……之后
After you use plastic bags, you mustn’t throw them about.
用过了塑料袋之后，不准到处乱扔。
After I got the relevant information
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here.
区分because，as, since, for
because, 表直接原因，语气最强，放主句前后都可，常
回答why引导的问句 They went to school by bus because it was cheap.
since 表示已知的，显然的理由或原因，意思是既然，较
正式，语气比because弱 Since you don't trust him, you should not employ(雇
单元语法聚焦四
Ⅱ. 单项选择
( D )1—I like rain ________it makes me feel
cool and relaxed.
—So do I.
A．or
B. so
C. but
D. because
( )2.I didn't accept his help________ I waA nted to try it myself.
Ⅰ. 用because或because of 填空 1. I study hard ________ I want to be a teacher in the
future. 2. ________ he is tired, he does not want to go
shopping with us. 3. You laugh loudly ________ this? 4. The match was put off __________ the heavy rain. 5. ________ _____ the storm, he didn't go there.
C. because
D. so
3. They arrived __A_ the air port at 8:00 this morning?
A. at classmates and I had __A__ fun in the school trip.
A. lots of B. a lot C. many
原因状语从句
概念
表示主句动作发生原因的句子
My moyher doesn't go to work because she is ill. As (由于)we have no money, we can't buy it. Now that （既然）you are here, you'd better stay
( C )5. ____单__元__语h法e e聚xe焦rc四ises every day, ________ he is very healthy. A. Because; so B. Because; though C. Because; / D. Though; / ( D )6.We have to put off ________ our sports meeting ________ the bad weather. A．hold; because B．hold, because of C．holding; because D．holding; because of
注意三个问题
1， because 和 so 不能连用，二者只能出现其一 Because she is ill，my moyher doesn't go to work . She is ill，so my moyher doesn't go to work .
2, because 和 because of 的区别及转换 because+句子 becauseof +名词\代词\动词ing He can't come because the weather is bad. He can't come because of the bad weather.
1. He has to get up early __C__ the bad weather.
A. because
B. so
C. because of
D. as a result
2. He didn’t study hard _D__ he failed the exam.
A. for B. as
佣) him.
as 附带说明的双方已知的原因，语气比since弱，位置灵
活 As it is dark, you'd better not go out.
for 表示不知道的原因，语气最弱，位于主句之后，对前
面内容进行补充及解释说明 Mr. Green must be ill, for he is absent(没出席的) today.
A. because B. though
C. until D. unless
大家应该也有点累了，稍作休息
大家有疑问的，可以询问和交流
10
单元语法聚焦四
( B )3.The traffic policeman took away Jim's driver's license ________ he broke the traffic rules of drunk driving. A. though B. because C. till D. and ( )4.Rules are helpful to us，________we haAve to follow them. A. so B. but C．or D. because
D. few
单元语法聚焦四
( A )7.—Why do you like your history teacher? —________ he is very friendly and kind to us. A．Because B．When C．But D．What ( C )8.Some of the students are nearsighted ________ they spend too much time watching TV or playing online games. A．when B．though C．because D．unless
区分because，as, since, for
because, 表直接原因，语气最强，放主句前后都可，常
回答why引导的问句 They went to school by bus because it was cheap.
since 表示已知的，显然的理由或原因，意思是既然，较
正式，语气比because弱 Since you don't trust him, you should not employ(雇
单元语法聚焦四
Ⅱ. 单项选择
( D )1—I like rain ________it makes me feel
cool and relaxed.
—So do I.
A．or
B. so
C. but
D. because
( )2.I didn't accept his help________ I waA nted to try it myself.
Ⅰ. 用because或because of 填空 1. I study hard ________ I want to be a teacher in the
future. 2. ________ he is tired, he does not want to go
shopping with us. 3. You laugh loudly ________ this? 4. The match was put off __________ the heavy rain. 5. ________ _____ the storm, he didn't go there.
C. because
D. so
3. They arrived __A_ the air port at 8:00 this morning?
A. at classmates and I had __A__ fun in the school trip.
A. lots of B. a lot C. many
原因状语从句
概念
表示主句动作发生原因的句子
My moyher doesn't go to work because she is ill. As (由于)we have no money, we can't buy it. Now that （既然）you are here, you'd better stay
( C )5. ____单__元__语h法e e聚xe焦rc四ises every day, ________ he is very healthy. A. Because; so B. Because; though C. Because; / D. Though; / ( D )6.We have to put off ________ our sports meeting ________ the bad weather. A．hold; because B．hold, because of C．holding; because D．holding; because of
注意三个问题
1， because 和 so 不能连用，二者只能出现其一 Because she is ill，my moyher doesn't go to work . She is ill，so my moyher doesn't go to work .
2, because 和 because of 的区别及转换 because+句子 becauseof +名词\代词\动词ing He can't come because the weather is bad. He can't come because of the bad weather.
1. He has to get up early __C__ the bad weather.
A. because
B. so
C. because of
D. as a result
2. He didn’t study hard _D__ he failed the exam.
A. for B. as
佣) him.
as 附带说明的双方已知的原因，语气比since弱，位置灵
活 As it is dark, you'd better not go out.
for 表示不知道的原因，语气最弱，位于主句之后，对前
面内容进行补充及解释说明 Mr. Green must be ill, for he is absent(没出席的) today.
A. because B. though
C. until D. unless
大家应该也有点累了，稍作休息
大家有疑问的，可以询问和交流
10
单元语法聚焦四
( B )3.The traffic policeman took away Jim's driver's license ________ he broke the traffic rules of drunk driving. A. though B. because C. till D. and ( )4.Rules are helpful to us，________we haAve to follow them. A. so B. but C．or D. because
D. few
单元语法聚焦四
( A )7.—Why do you like your history teacher? —________ he is very friendly and kind to us. A．Because B．When C．But D．What ( C )8.Some of the students are nearsighted ________ they spend too much time watching TV or playing online games. A．when B．though C．because D．unless