Unit 8 Natural Disasters Grammar.
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| 名称 | Unit 8 Natural Disasters Grammar. |
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| 格式 | zip | ||
| 文件大小 | 1.8MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 牛津译林版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2015-02-15 00:00:00 | ||
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课件22张PPT。Unit 8 Past continuous tense
过去进行时1999年的台湾地震给台湾人民带来巨大的灾难，让我们回到地震发生前后的那一刻，共同回忆他们正在做什么。At the beginning during afterWhat was he doing when earthquake began?
He was sleeping when it began.
What was he doing when he heard some noise
above him?
He was trying to find his way out when he heard the noise.
What were people outside doing while pieces of glass and bricks were falling down.
They were running in all directions while pieces of glass and bricks were falling down.
Talk about the Taiwan earthquake当我们要谈论过去正在发生的事或过去某个时间段一直在做的事，动词以什么样的形式出现呢？He was sleeping when it began.
He was trying to find his way out
when he heard the noise.
They were running in all directions
while pieces of glass and bricks were falling down.
was/were doing Why don’t we use “is doing”?
Because we talk about things that happen in the past (在过去) not now.过去进行时说英语国家的人们如何来谈论过去正在发生的事或过去某阶段一直在做的事呢？Practice1. I ----- the Internet when you saw me yesterday (search)I was searching the Internet when you saw me yesterday.2. He ---- the project (计划) with Jim at 8:00 last night. (discuss)He was discussing the project with Jim at 8:00 last night .Practice They ---- a trip to Tangshan at this time yesterday .(plan)
They were planning a trip to Tangshan at this time yesterday .
Kitty ---- her homework from 7 to 9 last night . (do)
Kitty was doing her homework from 7 to 9 last night 过去进行时(past continuous tense)
1基本概念：表示过去某一时刻正在进行的动作或过去某一段时间内持续进行的动作
2 常用时间状语：
1)then, at this/that time, at 9.00 last night …
2) this morning, the whole day/morning, from 8-10pm last evening.…
3）when/while/as 引导的时间状语从句长动作(过去进行时)+while+长动作(过去进行时) 观察以下例句，总结while所连接句子的前后两个动作的特征。
My mother was cooking while my father was reading the newspaper yesterday afternoon.
The earthquake started while Timmy was sleeping.短动作(一般过去时)+while+长动作(过去进行时) 长动作(过去进行时)+when+短动作(一般过去时) 观察以下例句，总结when所连接句子的前后两个动作的特征。
My mother was cooking when my father came home yesterday afternoon.
The earthquake started when Timmy was sleeping.短动作(一般过去时)+when+长动作(过去进行时) 短动作(过去进行时)+as+短动作(过去进行时) 观察以下例句，总结as所连接句子的前后两个动作的特征。
My mother opened the door as my father was reading the newspaper yesterday afternoon.
As it began to rain that day, the earthquake started短动作(一般过去时)+as+长动作(过去进行时) 总结当过去两个长动作同时发生时，用while连接主从句。
当过去两个短动作同时发生时，用as连接主从句。
当过去一长一短两个动作同时发生时，用while/as/when连接主从句, 但while后必须要接长动作。
有时，我们也可以将while/as/when引导的从句放在主句之前，中间加上“，”
过去进行时的句式
（1）基本结构：
was/were + v-ing
（2）否定式：
was/were not + v-ing
was not = wasn’t；were not = weren’t
（3）一般疑问句：
was/were+主语+V-ing
（4）特殊疑问句：
wh-+was/ were +主语+V-ingExercises:He was playing football on the play ground.（对划线部分提问）
My parents were playing computer games at that time.(改为否定句，一般疑问句，作否定回答)
The sun was shining brightly just now.(改为否定句,一般疑问句，作肯定回答。PracticeA snowstorm hit Sunshine Town
Finish the exercises on P97. 过去进行时与一般过去时的区别(1)
过去进行时着重描述当时正在进行的动作，它的特点是：未完成，强调过程；
一般过去时表示一个已经完成的动作，表示动作发生过，而且已经结束了，强调结果。
Mary __________?a dress when she cut her finger.
A. made?????????? B. is making
C. was making??? ?D. makes was making表示正在做衣服的过程，如用made则表示这一动作已结束，做衣服的动作已结束与cut her finger就没有联系。2. He _____(write) a letter，then went to bed． wrotewrote表示动作已结束，做另一件事，如用
was writing就与went to bed在逻辑上相矛盾。3. I’m sorry you missed the bus. It ______(leave) 5minutes ago． (2006年徐州)left4. Mr John, we find your watch.
-Thank you! Where __________ (find) it? （2006年绍兴）did you find过去进行时与一般过去时的区别(2)
1过去进行时侧重表示动作的延续；
2一般过去时表示过去某时发生过某事.He __________ all night last night.?
(生动的描写，他一直写……)
He _____ something last night．
(说明他写了……的事实)was writingwrote注：下列几类动词通常不用于进行时。
① 表示状态的动词be；
② 感官动词：feel，hear，sound，look，smell，taste，等；
③ 表示思维或心理状态的动词：
believe, forget，consider(认为)，
know，remember，hope，wish，want等； ④ 表示所属关系的动词： belong，have，own，hold（容纳）等。用括号内词的适当形式填空What _________you _______(do) at this time yesterday.
He ___________(watch) TV from 8p.m. to 10p.m.
I ____________(play) piano.
3. John __________(fly) kites in the park at 9a.m. yesterday morning.
4.Sandy ___________(call) Daniel at that time
5.He ____________(read) while his brother _________(watch) TV.
6.They __________ (chat) when their teacher _______(come) into the classroom.
weredoingwas watchingwas playingwas flyingwas callingwas readingwas watchingwere chattingcameThank you!^-^
过去进行时1999年的台湾地震给台湾人民带来巨大的灾难，让我们回到地震发生前后的那一刻，共同回忆他们正在做什么。At the beginning during afterWhat was he doing when earthquake began?
He was sleeping when it began.
What was he doing when he heard some noise
above him?
He was trying to find his way out when he heard the noise.
What were people outside doing while pieces of glass and bricks were falling down.
They were running in all directions while pieces of glass and bricks were falling down.
Talk about the Taiwan earthquake当我们要谈论过去正在发生的事或过去某个时间段一直在做的事，动词以什么样的形式出现呢？He was sleeping when it began.
He was trying to find his way out
when he heard the noise.
They were running in all directions
while pieces of glass and bricks were falling down.
was/were doing Why don’t we use “is doing”?
Because we talk about things that happen in the past (在过去) not now.过去进行时说英语国家的人们如何来谈论过去正在发生的事或过去某阶段一直在做的事呢？Practice1. I ----- the Internet when you saw me yesterday (search)I was searching the Internet when you saw me yesterday.2. He ---- the project (计划) with Jim at 8:00 last night. (discuss)He was discussing the project with Jim at 8:00 last night .Practice They ---- a trip to Tangshan at this time yesterday .(plan)
They were planning a trip to Tangshan at this time yesterday .
Kitty ---- her homework from 7 to 9 last night . (do)
Kitty was doing her homework from 7 to 9 last night 过去进行时(past continuous tense)
1基本概念：表示过去某一时刻正在进行的动作或过去某一段时间内持续进行的动作
2 常用时间状语：
1)then, at this/that time, at 9.00 last night …
2) this morning, the whole day/morning, from 8-10pm last evening.…
3）when/while/as 引导的时间状语从句长动作(过去进行时)+while+长动作(过去进行时) 观察以下例句，总结while所连接句子的前后两个动作的特征。
My mother was cooking while my father was reading the newspaper yesterday afternoon.
The earthquake started while Timmy was sleeping.短动作(一般过去时)+while+长动作(过去进行时) 长动作(过去进行时)+when+短动作(一般过去时) 观察以下例句，总结when所连接句子的前后两个动作的特征。
My mother was cooking when my father came home yesterday afternoon.
The earthquake started when Timmy was sleeping.短动作(一般过去时)+when+长动作(过去进行时) 短动作(过去进行时)+as+短动作(过去进行时) 观察以下例句，总结as所连接句子的前后两个动作的特征。
My mother opened the door as my father was reading the newspaper yesterday afternoon.
As it began to rain that day, the earthquake started短动作(一般过去时)+as+长动作(过去进行时) 总结当过去两个长动作同时发生时，用while连接主从句。
当过去两个短动作同时发生时，用as连接主从句。
当过去一长一短两个动作同时发生时，用while/as/when连接主从句, 但while后必须要接长动作。
有时，我们也可以将while/as/when引导的从句放在主句之前，中间加上“，”
过去进行时的句式
（1）基本结构：
was/were + v-ing
（2）否定式：
was/were not + v-ing
was not = wasn’t；were not = weren’t
（3）一般疑问句：
was/were+主语+V-ing
（4）特殊疑问句：
wh-+was/ were +主语+V-ingExercises:He was playing football on the play ground.（对划线部分提问）
My parents were playing computer games at that time.(改为否定句，一般疑问句，作否定回答)
The sun was shining brightly just now.(改为否定句,一般疑问句，作肯定回答。PracticeA snowstorm hit Sunshine Town
Finish the exercises on P97. 过去进行时与一般过去时的区别(1)
过去进行时着重描述当时正在进行的动作，它的特点是：未完成，强调过程；
一般过去时表示一个已经完成的动作，表示动作发生过，而且已经结束了，强调结果。
Mary __________?a dress when she cut her finger.
A. made?????????? B. is making
C. was making??? ?D. makes was making表示正在做衣服的过程，如用made则表示这一动作已结束，做衣服的动作已结束与cut her finger就没有联系。2. He _____(write) a letter，then went to bed． wrotewrote表示动作已结束，做另一件事，如用
was writing就与went to bed在逻辑上相矛盾。3. I’m sorry you missed the bus. It ______(leave) 5minutes ago． (2006年徐州)left4. Mr John, we find your watch.
-Thank you! Where __________ (find) it? （2006年绍兴）did you find过去进行时与一般过去时的区别(2)
1过去进行时侧重表示动作的延续；
2一般过去时表示过去某时发生过某事.He __________ all night last night.?
(生动的描写，他一直写……)
He _____ something last night．
(说明他写了……的事实)was writingwrote注：下列几类动词通常不用于进行时。
① 表示状态的动词be；
② 感官动词：feel，hear，sound，look，smell，taste，等；
③ 表示思维或心理状态的动词：
believe, forget，consider(认为)，
know，remember，hope，wish，want等； ④ 表示所属关系的动词： belong，have，own，hold（容纳）等。用括号内词的适当形式填空What _________you _______(do) at this time yesterday.
He ___________(watch) TV from 8p.m. to 10p.m.
I ____________(play) piano.
3. John __________(fly) kites in the park at 9a.m. yesterday morning.
4.Sandy ___________(call) Daniel at that time
5.He ____________(read) while his brother _________(watch) TV.
6.They __________ (chat) when their teacher _______(come) into the classroom.
weredoingwas watchingwas playingwas flyingwas callingwas readingwas watchingwere chattingcameThank you!^-^