when引导的时间状语从句 PPT
合集下载
时间状语从句介绍(PPT36张)

翻译下列句子: 你一按按钮,灯就会亮。 The lamp will light instantly you press the button. 他一出现,便一片沉寂。
Directly he appeared ,there was dead silence.
4. 另外还要注意(一……就……) hardly …(had done ) when …( did ) scarcely … when … no sooner … than … (放句首则倒装) e.g. I had hardly/scarcely got home when it started to rain.
5> 在将来时的从句中常用when, 且从句必
须用一般现在时。
You shall borrow the book when I have
finished reading it. 6> when还用在表示 “一……就……”的
句型中。 Hardly/Scarcely had I entered my room when the telephone rang.
原因状语从句中应注意的问题
as, because, for, since 的区别 1> as作为从属连词引导原因状语从句时,语气 不如because 强烈。它引导的从句常放在 句首, 说明原因, 后面的主句则说明结果。 2> because 引导从句时, 语气最强, 直接回答 why的问句。她引导的句子是语意中心所 在, 一般在句后。 (最强答why)
当主从句动作同时发生, 且从句动作
为延续性动词时, 三者可互换。 When/While/As she was making a phone call, I was writing a letter.
when,while引导的时间状语从句复习PPT幻灯片

I was reading a newspaper.
14
What were you doing when the rainstorm came?
I was waiting for the bus at the bus stop.
15
When I …
He was doing …
When I called him up, he was sleeping.
He was playing basketball at 8:00
yesterday morning.
4
Ask your partner what he/she was doing at 7:00 last night, then give a report.
At 7:00 last night … was reading. … was shopping…
9
What should we prepare before the rainstorm came?
radio
flashlight
matches wood
10
After the storm…
fallen trees broken windows fallen houses
11
Yesterday, there was a rainstorm. What were they doing when the rainstorm came? Here are some reports.
21
疑问式: Was / Were+主语+动词-ing (+其他)? 其肯定回答为:Yes, 主语(人称代词)+ was / were.; 否定回答为:No, 主语(人称代词)+ wasn’t / weren’t. 如:—Was Joe reading at the time of the
14
What were you doing when the rainstorm came?
I was waiting for the bus at the bus stop.
15
When I …
He was doing …
When I called him up, he was sleeping.
He was playing basketball at 8:00
yesterday morning.
4
Ask your partner what he/she was doing at 7:00 last night, then give a report.
At 7:00 last night … was reading. … was shopping…
9
What should we prepare before the rainstorm came?
radio
flashlight
matches wood
10
After the storm…
fallen trees broken windows fallen houses
11
Yesterday, there was a rainstorm. What were they doing when the rainstorm came? Here are some reports.
21
疑问式: Was / Were+主语+动词-ing (+其他)? 其肯定回答为:Yes, 主语(人称代词)+ was / were.; 否定回答为:No, 主语(人称代词)+ wasn’t / weren’t. 如:—Was Joe reading at the time of the
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)
高中英语When引导的三类从句_共19张PPT_

“when she thinks back to when she first met her husband”里边套有另一个从句 “when she first met her husband”。 第一个when从句不难理解,它是一个时间状语从句,when可译成“当„„时”。 第二个when从句较为特殊:从结构上看,这个 when从句是作介词to的宾语,所以是一个宾语 从句;从when的意义上看,这里的when没有疑问的意味,而是相当于说“the day when”。所 以从句“when she first met her husband”可以改写成一个定语从句 “the day when she first met her husband”,表示“第一次遇到她丈夫的那天”。
如何区分when引导的名词从句与时间状语从句
其实,区分两者的方法很简单,大家只需要判断when从句在主 句中充当何种成分即可:如果when从句在主句中充当主语、表 语或宾语,它就是名词从句(分别属于名词从句中的主语从句、 表语从句或宾语从句);否则,when从句便是时间状语从句(同位 语从句除外)。
由此可见,翻译when引导的名词从句时,when的含义需依 具体的语境而定,有时可译成“什么时候”,有时可译成 没有疑问意义的表达。 需要指出的是,当when引导时 间状语从句时,when通常译成“当„„的时候”或“在„„之 后”。
我们再来看下面这句话: 3. To her, the arguments about little things and other obstacles she and her husband face are f
When引导的三类从句
When作为连词,可以引导名词从句、定语从句和时 间状语从句。请看下面这段短文,其中就出现了 when引导的这三类从句。
如何区分when引导的名词从句与时间状语从句
其实,区分两者的方法很简单,大家只需要判断when从句在主 句中充当何种成分即可:如果when从句在主句中充当主语、表 语或宾语,它就是名词从句(分别属于名词从句中的主语从句、 表语从句或宾语从句);否则,when从句便是时间状语从句(同位 语从句除外)。
由此可见,翻译when引导的名词从句时,when的含义需依 具体的语境而定,有时可译成“什么时候”,有时可译成 没有疑问意义的表达。 需要指出的是,当when引导时 间状语从句时,when通常译成“当„„的时候”或“在„„之 后”。
我们再来看下面这句话: 3. To her, the arguments about little things and other obstacles she and her husband face are f
When引导的三类从句
When作为连词,可以引导名词从句、定语从句和时 间状语从句。请看下面这段短文,其中就出现了 when引导的这三类从句。
when引导的时间状语从句(1) PPT

when 引导的 时间状语从句
2226
•After the teacher came in, the students became quiet. •When the teacher came in, the students became quiet.
•After he finished his homework, he went to play basketball. •When he finished his homework, he went to play basketball. •Before I got to the airport, the guests had left. •When I got to the airport, the guests had left.
Use “when” to practice.
➢After the students became quiet, the teacher came in. When the students became quiet, the teacher came in.
➢After I went to Beijing, I visited Tian Anmen Square. When I went to Beijing, I visited the Tian Anmen Square.
➢Before I got to the airport, the guests had left. When I got to the airport, thee sentences with the correct tense for the verbs in brackets.
3. When we _w_e_r_e_w__a_tc_h_in_g_ (watch) TV, the telephone ___r_a_n_g____ (ring).
2226
•After the teacher came in, the students became quiet. •When the teacher came in, the students became quiet.
•After he finished his homework, he went to play basketball. •When he finished his homework, he went to play basketball. •Before I got to the airport, the guests had left. •When I got to the airport, the guests had left.
Use “when” to practice.
➢After the students became quiet, the teacher came in. When the students became quiet, the teacher came in.
➢After I went to Beijing, I visited Tian Anmen Square. When I went to Beijing, I visited the Tian Anmen Square.
➢Before I got to the airport, the guests had left. When I got to the airport, thee sentences with the correct tense for the verbs in brackets.
3. When we _w_e_r_e_w__a_tc_h_in_g_ (watch) TV, the telephone ___r_a_n_g____ (ring).
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。)
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。)
whenwhileassince引导时间状语从句的区别公开课获奖课件

词)
你已经找到如此好工作,为何还想再找新?
第2页
① Why do you want a new job when you’ve got such a
good one already?
(get为短暂性动词)
你已经找到如此好工作,为何还想再找新?
②The students took notes as they listened.
状态结束,但汉语意思不一样样,这—点在
理解时要尤其注意。
第12页
1.若since引导状语从句谓语是终止性动词过去时,
则从句表达时间是“从动作开始那一时刻起”。
例如:
He has studied very hard since he came to our school.
自从他来到我们学校,他学习就非常努力。
when,while,as,since
引导时间状语从句辨别
第1页
一、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。
① Why do you want a new job when you’ve
got such a good one already?(get为短暂性动
We have been missing them since they left here自从他
们离开这里,我们就一直很想念他们。
第13页
2.若since引导状语从句谓语动词是持续性动词或表达状态
动词过去时时,则从句表达时间是“从动作或状态结束时算
起”。
例如:
I haven’t heard any noise since I slept.
watch, sing, read, sleep, live, stay,smoke等。
你已经找到如此好工作,为何还想再找新?
第2页
① Why do you want a new job when you’ve got such a
good one already?
(get为短暂性动词)
你已经找到如此好工作,为何还想再找新?
②The students took notes as they listened.
状态结束,但汉语意思不一样样,这—点在
理解时要尤其注意。
第12页
1.若since引导状语从句谓语是终止性动词过去时,
则从句表达时间是“从动作开始那一时刻起”。
例如:
He has studied very hard since he came to our school.
自从他来到我们学校,他学习就非常努力。
when,while,as,since
引导时间状语从句辨别
第1页
一、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。
① Why do you want a new job when you’ve
got such a good one already?(get为短暂性动
We have been missing them since they left here自从他
们离开这里,我们就一直很想念他们。
第13页
2.若since引导状语从句谓语动词是持续性动词或表达状态
动词过去时时,则从句表达时间是“从动作或状态结束时算
起”。
例如:
I haven’t heard any noise since I slept.
watch, sing, read, sleep, live, stay,smoke等。
时间状语从句ppt课件

时间状语从句的省略
省略主语和助动词
当从句的主语和助动词与主句的主语一致时,从 句的主语和助动词可以省略。
省略be动词
当从句中的动词是be动词时,be动词可以省略。
省略连词
当从句和主句之间没有连词连接时,连词可以省 略。
时间状语从句的倒装
倒装句式
时间状语从句中的主语和动词的顺序可以颠倒,形成倒装句式。
总结词
表示一个动作从过去某时开始一直持续 到现在
VS
详细描述
Since通常用于描述一个从过去某时开始 一直持续到现在的动作或状态。例如: “I have been waiting since 9 o'clock.”(我从9点钟就开始等了。)
03
CATALOGUE
时间状语从句的时态搭配
现在时与过去时的搭配
时态
时间状语从句的时态要与 主句的时态相呼应,一般 遵循“主将从现”的原则 。
语序
时间状语从句通常是陈述 语序。
时间状语从句的作用与重要性
作用
时间状语从句可以用来描述动作发生的时间、持续时间或动作的先后顺序,从 而使句子更加准确和清晰。
重要性
在英语语法和写作中,正确使用时间状语从句对于表达时间关系和增强文章逻 辑性非常重要。掌握时间状语从句的构成要素和运用技巧有助于提高英语水平 和写作能力。
主句的意义和语气对时间状语从句的意义和语气有影响。例如,如果主 句是疑问句,那么时间状语从句也可能需要使用疑问语气。
主句中的特定词汇或结构可以与时间状语从句形成对照或对比,从而强 调某些信息。
06
CATALOGUE
时间状语从句的常见错误分析
混淆不同类型的时间状语从句
01
一般现在时态的时间状语从句
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
when 引导的时间状语从句
• I will come here tomorrow. • I will come here at 3:00. • I will come here in the morning.
• I will come here when you are not busy. • 时间状语若为句子,则该句称为时间状语从句。
时间状语从句就是在复合句中表
示主句动作发生时间的状语从句。 when引导时间状语从句时,意思是“ 当······的时候”。
I'll call you when I get there. 我到那里时就给你打电话。
When I got home, my wife was cooking dinner. 我到家时,我妻子在做晚饭。
The boy will be a writer when he grows up. 这个男孩长大时将成为一名作家。
Attention
• 1, 主句从句时态要一致 • 主句过去 从句过去
• When he was 7, he could swim.
2, 主句从句位置问题
when从句放主句前后都可,从句防主句之前需 逗号隔开。
1. We'll start out ____ the teacher comes. A. when B. while C. though D.but 2.----Please remember to say goodbye to Mr.Smith when you ____ tomorro leave C. left D. have left
谢谢
• I will come here tomorrow. • I will come here at 3:00. • I will come here in the morning.
• I will come here when you are not busy. • 时间状语若为句子,则该句称为时间状语从句。
时间状语从句就是在复合句中表
示主句动作发生时间的状语从句。 when引导时间状语从句时,意思是“ 当······的时候”。
I'll call you when I get there. 我到那里时就给你打电话。
When I got home, my wife was cooking dinner. 我到家时,我妻子在做晚饭。
The boy will be a writer when he grows up. 这个男孩长大时将成为一名作家。
Attention
• 1, 主句从句时态要一致 • 主句过去 从句过去
• When he was 7, he could swim.
2, 主句从句位置问题
when从句放主句前后都可,从句防主句之前需 逗号隔开。
1. We'll start out ____ the teacher comes. A. when B. while C. though D.but 2.----Please remember to say goodbye to Mr.Smith when you ____ tomorro leave C. left D. have left
谢谢