(共23张PPT)
Unit 5 A 2d&Grammar-4c
人教版八年级下册
Content
Learning objectives
01
Lead-in
02
Presentation
03
2d&Grammar
04
Summary
05
Homework
06
目录
Learning objectives
After learning this lesson, you can:
1. know the differences between when and while；
2. role play dialogue 2d.
Revision
1.忙于做某事
2.寻找
3.看见某人做某事
4.看到车过来
5.发出响声
6.醒来
7、洗个热水澡
8、开始做某事
9、雨下得很大
10.错过公交车
11.告诉我们发生了什么
be busy doing sth., be busy with sth.
go off
wake up
take a hot shower
begin to do sth
rain heavily
miss the bus
tell us what happened
look for
see sb. doing sth.
see a car coming
Lead in
What are you doing now
What were you doing at this time yesterday
We are having an English class.
We were having a ... class.
Lead in
Linda Mary
What was Linda doing at seven last night
What was Linda doing at eight last night
What was Linda doing at nine last night
They are talking about their activities last night.
Presentation 2d
Listen to 2d and answer the questions.
Why did Mary call so many times
Mary: What were you doing last night, Linda I called at seven and you didn't
pick up.
Linda: Oh, I was in the kitchen helping my mom.
Mary: I see. I called again at eight and you didn't answer then either.
Linda: What was I doing at eight Oh, I know. When you called, I was taking a
shower.
Mary: But then I called again at nine.
Linda: Oh, I was sleeping at that time.
Mary: So early That's strange.
Linda: Yeah, I was tired. Why did you call so many times
Mary: I needed help with my homework. So while you were sleeping, I called Jenny and she helped me.
Role-play 2d.
What were you doing
last night, Linda
Oh, I was in the kitchen helping ...
Key points
接电话；=answer the phone；捡起；接（人）
Mary: What were you doing last night, Linda I called at seven and you didn't
pick up.
Linda: Oh, I was in the kitchen helping my mom.
Mary: I see. I called again at eight and you didn't answer then either.
Linda: What was I doing at eight Oh, I know. When you called, I was taking a
shower.
Mary: But then I called again at nine.
Linda: Oh, I was sleeping at that time.
Mary: So early That's strange.
Linda: Yeah, I was tired. Why did you call so many times
Mary: I needed help with my homework. So while you were sleeping, I called Jenny and she helped me.
洗澡
在那个时候
这很奇怪。
这么多次
也，否定句句末
Grammar Focus
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.
结构： was/were doing
Grammar
时态：
含义：
结构：
标志词：
was/ were + doing
at 8:oo last night
at that time在那个时候 at the time of...
when the teacher came in
when I saw him/her
表示过去某个时刻正在发生或进行的事情。
过去进行时
while she was sleeping
when/while 引导的时间状语从句
Grammar
What ______ Li Lei’s family _______(do) at 8: o’clock yesterday
He _______________(draw) when I saw him yesterday .
When I passed the classroom this afternoon, she _________.(cry)
At that time, my father was reading a newspaper while my mother ______________.(cook)
I ____________ (sleep) at the time of rainstorm.
were doing
was drawing
was crying
was cooking
用括号中的词语适当形式填空
was sleeping
Thinking
The boy was walking down the street when a UFO landed.
While the boy was walking down the street, the UFO landed.
While the girl was shopping, the alien got out.
The girl was shopping when the alien got out.
1 .while 当……时候(后面跟的动作延续,多用过去进行时态)
2. when 当……时候(后面跟的动作不延续,多用一般过去时态）
延续性动词指动作可以延续一段时间，而不是瞬间结束。如：work、study、drink、eat等。
非延续性动词指动作极为短暂，瞬间结束。如：start、begin、hit、jump、knock等。
was out， was away， was in
Practice
__________ he went out, it was raining heavily.
__________ I saw Helen, she was wearing the blue dress.
__________ the boy was walking down The street, the UFO landed.
4. __________ the girl was shopping, the alien got out.
5. He was reading a newspaper__________he was waiting for a bus.
6. ___________ my mother was sweeping the floor, I left home.
7. I was listening to music___________ my mother went to work.
8. The girl was singing___________ the boy was playing the piano.
9. The girl was singing ___________ her mother was out.
When
When
While/When
When/While
while
While/When
when
while
while
Practice
4a
Look at the table and write sentences with both while and when.
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.
Practice
4a
1. While John was playing the piano, Mary left the house.
John was playing the piano when Mary left the house.
2. While John was cleaning his room, Mary turned on the radio.
John was cleaning his room when Mary turned on the radio.
3. While John was shopping, Mary took the car to the car wash.
John was shopping when Mary took the car to the car wash.
Look at the table and write sentences with both while and when.
Practice
4b
Fill in the blanks with was, were, when or while.
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.
While
was
was
While
When
was
was
were
醒来
一场车祸
看一看
变形
幸运的是，
大雪
Practice
4c
What were you doing at these times last Sunday
Fill in the chart. Then ask your partner.
You Your partner
9:00 a.m.
11:30 a.m.
4:00 p.m.
9:00 p.m.
A: What were you doing at nine
o'clock last Sunday morning
B: I was sleeping. How about you
A: I was doing my homework.
B: You're kidding!
Exercises
1. While she ___, a friend called her.
A walks B walked C is walking D was walking
2. I was cleaning the floor ____ my cat jumped down from the tree.
A when B while C until D before
3. My father was watching TV ____ my mother was cooking.
A if B after C while D when
Summary
1.接电话
2.洗澡
3.这很奇怪。
4.打这么多次电话
5.你在开玩笑！
6.醒来
7.看一看
8.变形
9.有冰的道路
10.大雪
pick up捡起；接人
take a shower
That’s strange!
call so many times
You’re kidding!
wake up
have a look
be in bad shape
icy roads
the heavy snow
Homework
1. Recite 2d.
2. Recite the grammar.
谢谢
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