when引导的时间状语从句 ppt课件
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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
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。
专升本英语-状语从句ppt课件
时间状语从句
till, until 和 not…until… 的用法 1. until/till引导时间状语从句用于 肯定句时,
主句的动词是延续性动词 ,表示动作或状态 一直持续到 until/till所表示的时间,意为“ 某动作一直延续到某时间点才停止 ”。 We waited till/until he came. 2. 用于否定句时,主句谓语动词是非延续性动 词,从句为肯定,意为“ 某动作直到某时间
时间状语从句
3. __C____ the day went on, the weather got
worse. A. With
B. Since D C. As
D. While
4. It will be a long time
Peter
his work.
时间状语从句
5. We were jusCt
时间状语从句
since引导的时间状语从句,常译为“ 自从 ……”, 主句常用现在完成时 ,从句常用一般过去时 。 We haven't seen each other since we parted.
常用句型:It is/It has been + 时间段 + since从句
“自从……有多长时间了 since she
works, you need to have some
knowledge oBf chemistry.
A. In order to B. So as to C. In
order that D. So that
结果状语从句
结果状语从句
1. so… that… (如此…以至于…), so 后 面应用形容词或副词, 有时省略so只用 that
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
初中英语语法大全——状语从句(共24张PPT)
Kathy is so lovely that we all like to play with her.
He made so many mistakes that he failed the exam once again.
Such a little boy has so little difficulty in working out this problem that I admire him very much.
3、since的用法
(1) since意为“自从....”, 主句常用现在完成时或般现在时 , 从句常用一般过去时。 eg: I have lived in England since I was three. 自3岁起 我就一直住在英国。 eg: It is two years since I became a college student. 我成为一名大学生已经两年了。
二、地点状语从句
在句子中充当地点状语的从句称为地点状语从句。引 导地点状语从句的从属连词主要有where( ...地 方), wherever(无论问处)等,表示地点方位。 eg: I found all the missing things where I left t hem. eg: Where there is a will, there is a way.
2. such...that...的用法
在such... that... 结构中,such是形容词,修饰名词或名词短语。引导 结果状语从句时,常用于以下结构:
a(n)+形容词+单数可数名词
so+ such+ 形容词+复数可数名词
+that+从句
最新unit3-When和while引导的时间状语从句教学讲义PPT
③孕妇及胎儿其他疾病:糖尿病 、ABO或Rh血型不合 ④多胎妊娠
⑤特发性羊水过多:原因不明, 孕妇、胎儿及胎盘均无异常
2.羊水过少(oligohydramnios) 妊娠晚期羊水量<300ml ①胎儿畸型:胎儿先天肾缺如、 双肾发育不全、尿道闭锁 ②过期妊娠:胎盘功能减退 ③胎儿宫内发育迟缓
羊水化学检查
unit3-When和while引导 的时间状语从句
过去进行时的概念及构成
概念:表示过去某一时刻或某段时间正在进行 的动作
构成:主语+was/were+doing sth+时间状语
指示词:then、 at that time、once等连用,或 者用另一动作来表示过去的时间。
When与while引导的时间状语从句
2.While总是指一个时间段,从句中必须用 延续性动词。
3.统一时态:主句过去式,从句也是过去 式。
Exercises: fill with “while” or “when”
1. While May was talking on the phone,her sister walked in
2. When Rita bought her new dog,it was wearing a little coat.
3. When I saw Carlos , he was singing louldly. 4. While I was dancing , he was singing louldly. 5. When Linda finally saw David, he was
jumping with a dog. 6. I was cleaning my room When the fire broke
⑤特发性羊水过多:原因不明, 孕妇、胎儿及胎盘均无异常
2.羊水过少(oligohydramnios) 妊娠晚期羊水量<300ml ①胎儿畸型:胎儿先天肾缺如、 双肾发育不全、尿道闭锁 ②过期妊娠:胎盘功能减退 ③胎儿宫内发育迟缓
羊水化学检查
unit3-When和while引导 的时间状语从句
过去进行时的概念及构成
概念:表示过去某一时刻或某段时间正在进行 的动作
构成:主语+was/were+doing sth+时间状语
指示词:then、 at that time、once等连用,或 者用另一动作来表示过去的时间。
When与while引导的时间状语从句
2.While总是指一个时间段,从句中必须用 延续性动词。
3.统一时态:主句过去式,从句也是过去 式。
Exercises: fill with “while” or “when”
1. While May was talking on the phone,her sister walked in
2. When Rita bought her new dog,it was wearing a little coat.
3. When I saw Carlos , he was singing louldly. 4. While I was dancing , he was singing louldly. 5. When Linda finally saw David, he was
jumping with a dog. 6. I was cleaning my room When the fire broke
when引导的状语从句PPT课件
学习when引导的状语从句
.
1
学习when引导的状语从句
1.当他打开门时,他看到了这只鸟。 When he opened the door, he saw the bird.
从句
主句
2.当她六岁时,她会下棋。 When she was six years old, she could play chess.
C. watch; rings D. are watching; rang
.
8
动词填空
1.When he __w_a_s___(be) nine years old, he could swim.
2.Johnc_ou_l_d_(can) draw a horse when he was in Grade One. 3.The boy could _p_la_y__(play) the guitar at he age of seven.
9
知识点测试
( )1. He was very stressed out in the speech competition.
A. five minute B. five-minutes C. five-minute
当蒂娜三年级时,她开始学习英语。
Tina stared learning English when she was in Grade Three. = When Tina was in Grade Three, she stared learning English .
.
5
• 主过从过
• 主将从现
从句
主句
When 引导的时间状语从句,译为“当……的时候”
.
2
1.当他打开门时,他看到了这只鸟。
.
1
学习when引导的状语从句
1.当他打开门时,他看到了这只鸟。 When he opened the door, he saw the bird.
从句
主句
2.当她六岁时,她会下棋。 When she was six years old, she could play chess.
C. watch; rings D. are watching; rang
.
8
动词填空
1.When he __w_a_s___(be) nine years old, he could swim.
2.Johnc_ou_l_d_(can) draw a horse when he was in Grade One. 3.The boy could _p_la_y__(play) the guitar at he age of seven.
9
知识点测试
( )1. He was very stressed out in the speech competition.
A. five minute B. five-minutes C. five-minute
当蒂娜三年级时,她开始学习英语。
Tina stared learning English when she was in Grade Three. = When Tina was in Grade Three, she stared learning English .
.
5
• 主过从过
• 主将从现
从句
主句
When 引导的时间状语从句,译为“当……的时候”
.
2
1.当他打开门时,他看到了这只鸟。
时间状语从句 PPT
comes back。 他一回来我就把这个消息告诉他。
指紧接着发生的两个短动作,主从句都用一般 过去时
He took out his English books as soon as he sat down. 他一坐下就拿出了他的英语书。
6. since 的用法 since作连词引导时间状语从句的用法 (1).若since引导的状语从句的谓语动词是终止
但在不同的语境中before 有不同的翻译
4. after的用法 在…之后
(1). prep. After testing, some students look very happy. 考试结束后,一些学生看起来很高兴。
(2). adv. It happened twenty years after. 这事发生在20年之后。
I haven’t heard any noise since I slept. sleep 为持续性动词,sleep的动作结束时, 即“醒来”
我醒后还未听到任何声音。
I have not heard from him since I d in Shanghai. 自从我离开(没住在)上海,就再也没 有收到他的信 。
时间状语从句
while, when, before, after, as soon as, since, until 引导时间状语从句的用法
1. while 的用法 (1). 引导时间状语从句,意为“当……时
候”“在……期间”。 His parents died while he was at school. 在他上学期间他父母去世了。 (2). 引导时间状语从句,意为“与……同时”。 You may go swimming while I’m having lunch.我吃午饭的时间里你可以去游泳。
指紧接着发生的两个短动作,主从句都用一般 过去时
He took out his English books as soon as he sat down. 他一坐下就拿出了他的英语书。
6. since 的用法 since作连词引导时间状语从句的用法 (1).若since引导的状语从句的谓语动词是终止
但在不同的语境中before 有不同的翻译
4. after的用法 在…之后
(1). prep. After testing, some students look very happy. 考试结束后,一些学生看起来很高兴。
(2). adv. It happened twenty years after. 这事发生在20年之后。
I haven’t heard any noise since I slept. sleep 为持续性动词,sleep的动作结束时, 即“醒来”
我醒后还未听到任何声音。
I have not heard from him since I d in Shanghai. 自从我离开(没住在)上海,就再也没 有收到他的信 。
时间状语从句
while, when, before, after, as soon as, since, until 引导时间状语从句的用法
1. while 的用法 (1). 引导时间状语从句,意为“当……时
候”“在……期间”。 His parents died while he was at school. 在他上学期间他父母去世了。 (2). 引导时间状语从句,意为“与……同时”。 You may go swimming while I’m having lunch.我吃午饭的时间里你可以去游泳。
时间状语从句教案PPT课件
•
I brought it to you____ you were in Mr.
Black’s office yesterday.
• A if B when C because D before
•
• 注意(1)when 还可以用作并列连词 “这时,就在这时”
• sb. was doing sth. when…
• sb. was about to do sth./was on the point of doing sth. when…
• eg.他正要告诉我那个秘密这时有人拍他的肩膀。 • (2)“既然”(用于引出使某人的行为看似出人意料的
情景)
• Why does she always drive to work when she could easily take the train?
• A as B that C during D it • (2)表示“随着” • 随着你不断长大, 你会变的越来越聪明。 • 注意: as 表示随着后面加从句,with 的复合结构也可
以表示随着
• 4 till 和until • 表示“直到”时,till和 until 都可以。动词必须为延续
性动词,主从句都为肯定式。
• A since B before C after D when
• He became an actor at a very young age but it was nearly 20 years___ he became famous.
• A until B when C before D that • How long do you think it will be___ Chinese
• eg. 他一直工作到半夜。 • 昨天我妈妈一直等到我回来。 • 表示“直到 … 才”时,只能用until,动词为非延续性
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when引导的时间状语从句
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。
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.
•主将从现 主祈从现 主情从现 When he comes , we will start the meeting. When you are ill, you must see a doctor. Be careful when you cross the street(大街).
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 ____ tomorrow. ----Sure, I will. A. leave B. will leave C. left D. have left
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”。
பைடு நூலகம்
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。