資源簡(jiǎn)介

(共23張PPT)
Unit 5
What were you doing
when the rainstorm came
Section A (Grammar focus-4c)
公開課
一、語(yǔ)言能力
能正確的使用連詞When和while(Conjunctions When and While)，
when 和while的用法及區(qū)別。
二、學(xué)習(xí)能力
能夠用過(guò)去進(jìn)行時(shí)談?wù)撨^(guò)去發(fā)生的事情，能夠正確運(yùn)用when
和while引導(dǎo)的時(shí)間狀語(yǔ)從句談?wù)撟约旱慕?jīng)歷。
三、思維品質(zhì)
通過(guò)情境創(chuàng)設(shè)，理解過(guò)去進(jìn)行時(shí)態(tài)的運(yùn)用；通過(guò)小組合作總結(jié)
語(yǔ)法規(guī)律，學(xué)會(huì)正確使用過(guò)去進(jìn)行時(shí)。
四、文化意識(shí)
發(fā)展學(xué)生的發(fā)現(xiàn)能力和合作精神，體會(huì)中西方語(yǔ)言的差別。
Let’s enjoy the following song,discuss what tense is mentioned.
(討論歌曲中包含什么時(shí)態(tài))
現(xiàn)在進(jìn)行時(shí)
What were you doing at eight last night I was taking a shower.
What was she doing at the time of the rainstorm She was doing her homework.
What was he doing when the rainstorm came He was reading in the library when the rainstorm came.
What was Ben doing when it began to rain heavily When it began to rain, Ben was helping his mom make dinner.
What was Jenny doing while Linda was sleeping While Linda was sleeping, Jenny was helping Mary with her homework.
Grammar
Find out the past continuous tense.
過(guò)去進(jìn)行時(shí)
was/were+ 動(dòng)詞ing
Grammar
過(guò)去進(jìn)行時(shí)
(1)含義
表示在_______________或____________
正在進(jìn)行的動(dòng)作。
(2)結(jié)構(gòu)
主語(yǔ)+ ______________
過(guò)去
進(jìn)行時(shí)
過(guò)去某一時(shí)刻
某一段時(shí)間
was/ were +V-ing
I was taking a shower at eight last night.
They were hanging out at nine last Sunday.
(3)一般疑問(wèn)句
Was/Were + 主語(yǔ)+v.-ing...
Grammar
過(guò)去進(jìn)行時(shí)句型結(jié)構(gòu)
(1)肯定句
主語(yǔ)+ was/were +v.-ing...
(2)否定句
主語(yǔ)+ was/were ++not+v.-ing...
(4)特殊疑問(wèn)句
特殊疑問(wèn)詞+was/were（+ 主語(yǔ)）+v.-ing...
過(guò)去
進(jìn)行時(shí)
What were you doing at eight last night I was taking a shower.
What was she doing at the time of the rainstorm She was doing her homework.
What was he doing when the rainstorm came He was reading in the library when the rainstorm came.
What was Ben doing when it began to rain heavily When it began to rain, Ben was helping his mom make dinner.
What was Jenny doing while Linda was sleeping While Linda was sleeping, Jenny was helping Mary with her homework.
Grammar
Try to find out the signal words!
過(guò)去進(jìn)行時(shí)
標(biāo)志詞
Grammar Focus:
填入正確時(shí)態(tài)
1 . —What ____ you _______at eight last night
—I ______ _______(take) a shower
2. –What ____ she _______ at the time of rainstorm
—She______ _______(do)her homework.
3. —What ____ he _____when the rainstorm ________(come)
—He ______ _______(read) in the library when the rainstorm came.
4. —What ____ Ben ______when it _______ to rain heavily
—When it began to rain, Ben ____ _____(help)his mom make dinner.
5 —What ___ Jenny ______ while Linda ____________(sleep)
—While Linda ________, Jenny ______ _____(help) Mary with math.
were doing
was taking
was doing
was doing
came
was reading
was doing
began
was helping
was sleeping
was helping
at eight last night
at the time of rainstorm
when
When
when
when
while
While
時(shí)間標(biāo)志詞
was doing
was doing
was sleeping
What were you doing at eight last night I was taking a shower.
What was she doing at the time of the rainstorm She was doing her homework.
What was he doing when the rainstorm came He was reading in the library when the rainstorm came.
What was Ben doing when it began to rain heavily When it began to rain, Ben was helping his mom make dinner.
What was Jenny doing while Linda was sleeping While Linda was sleeping, Jenny was helping Mary with her homework.
Grammar
Observe these sentences.
非延續(xù)性
延續(xù)性
Grammar
延續(xù)性動(dòng)詞與非延續(xù)性動(dòng)詞
(1)延續(xù)性動(dòng)詞
動(dòng)作_____(可以/不可以)延續(xù)一段時(shí)間,而不是瞬間結(jié)束。
(2)瞬間性(非延續(xù)性)動(dòng)詞
動(dòng)作極為短暫，瞬間結(jié)束。
區(qū)別
可以
She read books for three hours last Sunday.
Yuan Longping died three years ago.
延續(xù)性
瞬間性
Grammar Focus
She was reading in the library when the rainstorm came.
My mom came back when I was sleeping in my bedroom.
when 引導(dǎo)時(shí)間狀語(yǔ)從句
瞬間性
表時(shí)間點(diǎn)
一般過(guò)去時(shí)
過(guò)去進(jìn)行時(shí)
延續(xù)性
表時(shí)間段
when引導(dǎo)的時(shí)間狀語(yǔ)從句：
可用_____________動(dòng)詞，也可用___________動(dòng)詞，
分別表示時(shí)間_______和時(shí)間_________。
時(shí)態(tài)為__________________________.
瞬間性
點(diǎn)
段
延續(xù)性
一般過(guò)去時(shí)
過(guò)去進(jìn)行時(shí)
Grammar Focus
While she was reading, the phone rang.
Some students were reading while others were writing.
while 引導(dǎo)時(shí)間狀語(yǔ)從句
過(guò)去進(jìn)行時(shí)
瞬間性
表時(shí)間點(diǎn)
while引導(dǎo)的時(shí)間狀語(yǔ)從句：
用___________動(dòng)詞，表示時(shí)間_______。
時(shí)態(tài)為__________________________.
段
延續(xù)性
過(guò)去進(jìn)行時(shí)
瞬間性
表時(shí)間點(diǎn)
過(guò)去進(jìn)行時(shí)
主從句都是
延續(xù)性動(dòng)詞時(shí)，
大都用_______.
While
Fill in the blanks with when or while.
He was sleeping _____ it arrived.
______ he was sleeping, it arrived.
The boy was walking down the street ______ the storm came.
4. ______ the boy was walking down the street, the storm came.
5. The girl was shopping _____ the phone rang.
6. _______ the girl was shopping, the phone rang.
when
While
when
While
when
While
Practice
Look at the table and write sentences with both while and when.
4a
John Mary
take photos buy a drink
play the piano leave the house
clean his room turn on the radio
shop take the car to the car wash
While John was taking photos, Mary bought a drink.
John was taking photos when Mary bought a drink.
延續(xù)性
瞬間性
Practice
Look at the table and write sentences with both while and when.
4a
John Mary
play the piano leave the house
延續(xù)性
瞬間性
While John was playing the piano, Mary left the house.
John was playing the piano when Mary left the house.
Practice
Look at the table and write sentences with both while and when.
4a
John Mary
clean his room turn on the radio
延續(xù)性
瞬間性
While John was cleaning his room, Mary turned on the radio.
John was cleaning his room when Mary turned on the radio.
Practice
Look at the table and write sentences with both while and when.
4a
John Mary
shop take the car to the car wash
瞬間性
While John was shopping, Mary took the car to the car wash.
John was shopping when Mary took the car to the car wash.
延續(xù)性
At 7:00 a.m., I woke up. ________ I _______ making my breakfast, my brother ______ listening to the radio. ________ I was eating, the radio news talked about a car accident near our home. My brother and I went out right away to have a look. ______ we got to the place of the accident, the car _____ in bad shape from hitting a tree. But luckily, the driver ______ fine. The roads ______ icy because of the heavy snow from the night before.
Fill in the blanks with was, were, when or while.
Practice
4b
While
was
was
While
延續(xù)性
When
was
was
were
過(guò)去進(jìn)行時(shí)和一般過(guò)去時(shí)的區(qū)別
區(qū)別：
1.過(guò)去進(jìn)行時(shí)表示過(guò)去正在進(jìn)行的動(dòng)作,
2.一般過(guò)去時(shí)則表示一個(gè)完整的動(dòng)作。
They ___________(write) letters to their friends at 9 last night.
They______(write)letters to their friends last night.
were writing
wrote
只表達(dá)了昨晚九點(diǎn)在寫信，沒(méi)有說(shuō)明信是否寫完。
表達(dá)了他們信已寫好的意思, 整個(gè)寫的過(guò)程已完成。
1. Mother _____________ (wash) clothes when
I_______ (get) home from school yesterday afternoon.
2. Look, my sister ____ (be) there in the barber
shop. The barber __________ (cut) her hair.
3. ---When ____ you _____ (see) the accident
---I _____ (see) it fifteen minutes ago.
was washing
got
is
is cutting
did
see
saw
(3)標(biāo)志詞
_____________________________________________________
(2)結(jié)構(gòu)
主語(yǔ) +______________
(1)含義
表示在____________或_________
正在進(jìn)行的動(dòng)作。
過(guò)去
進(jìn)行時(shí)
過(guò)去進(jìn)行時(shí)
at that time /at eight last night /from...to...
at this time yesterday (morning/afternoon)
the whole day/all day yesterday
when/while引導(dǎo)的時(shí)間狀語(yǔ)從句
Summary
過(guò)去某一時(shí)刻
某一段時(shí)間
was/ were +V-ing
1.When引導(dǎo)的時(shí)間狀語(yǔ)從句
(1)動(dòng)詞：
(2)時(shí)間：
(3)時(shí)態(tài)：
2.While引導(dǎo)的時(shí)間狀語(yǔ)從句
(1)動(dòng)詞：
(2)時(shí)間：
(3)時(shí)態(tài)：
3.注意
如果主句和從句都是延續(xù)性動(dòng)作，又是同時(shí)發(fā)生，
此時(shí)時(shí)間狀語(yǔ)從句多用__________引導(dǎo)。
When
While
引導(dǎo)狀語(yǔ)從句
Summary
延續(xù)性動(dòng)詞和瞬間性動(dòng)詞
過(guò)去進(jìn)行時(shí)和一般過(guò)去時(shí)
While
可以是時(shí)間點(diǎn)，也可以是時(shí)間段
延續(xù)性動(dòng)詞
過(guò)去進(jìn)行時(shí)
時(shí)間段
Thank you for listening

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