Unit 5 What were you doing when the rainstorm came? Section A Grammar Focus~4c 课件(共20张PPT) 人教版八年级下册

(共20张PPT)
Unit 5
What were you doing when the rainstorm came
Section A (Grammar Focus~4c)
Look and say
she was taking a shower
What was she/he doing at eight last night
He was watching TV
She was cooking
The Past Continuous Tense
能掌握when与while的用法和区别
1
能准确使用过去进行时，谈论过去的事情或讲述过去的故事
2
目标一: 能准确使用过去进行时，谈论过去的事情或讲述过去的故事
朗读句子，思考过去进行时态的用法和句子结构。
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.
过去进行时态
结构：_________________
(was用于___________, were用于_________和_____)
时间状语：____________________________
_____________________________
______________________________
_______________________________
was / were doing
单数主语
复数主语 you
at 点钟 /yesterday/last night
at that time/at the time of
when + 过去时态的句子
用法：_______________________________________。
while + 过去进行时态的句子
表示在过去某一时刻或某一段时间正在进行的动作
Grammar
观察下列四个句子，思考过去进行时不同句式的结构
We weren’t having an English class at this time last Monday.
We were having an English class at this time last Monday.
Were you having an English class at this time last Monday？
What were you doing at this time last Monday？
1. 肯定句：______ + _________ + ______ + ______.
2. 否定句：______+ _________ + ______ +______ +______ .
3. 一般疑问句：_________+______+______ +______
4. 特殊疑问句：______+_________+______+______+______
主语
was/were
doing
(其它)
主语
was/were
not
doing
(其它)
was/were
主语
doing
(其它)
疑问词
was/were
主语
v.-ing
(其它)
Look and have a quick response.
Where were they when the rainstorm came
She was
in her house.
He was
at the bus stop.
They were
in the library.
一般过去时
观察这些句子，它们是什么时态？
Look and have a quick response.
What were they doing when the rainstorm came
She was doing her homework.
She was waiting
for the bus.
They were
reading books.
过去进行时
想一想，一般过去时和过去进行时有什么区别？
观察这些句子，它们是什么时态？
过去某个时间发生过的动作或存在的状态 David wrote a letter to his friend last night.
戴维昨晚给他的朋友写了封信。(信写完了)
过去某个时刻或某一段时间正在进行的动作 David was writing a letter to his friend last night.戴维昨晚正给他的朋友写信。(信不一定写完)
区别
一般过去时
过去进行时
It was a dark night. The wind ___________ (blow) hard and the rain __________(fall) heavily. When her parents fell ______(sleep), Xiao Hong ________ (lie) in bed with her eyes _____ (open) . And why is that Because Xiao Hong ____ (be) on duty today, she ______ (forget) to close the window. She _____
_________ (think) about what her classroom was like.
was blowing
was falling
asleep
was lying
open
is
forgot
根据故事情景填空
was
thinking
Practice
目标二: when和while的用法和区别
先观察句子，再按照规律填空
He was reading in the library when the rainstorm came.
1.主句的动作是持续性的，而从句的动作是短暂性的，
此时用 ______ 引导时间状语从句。主句用_________
时态，从句用__________时态。
when
过去进行
一般过去
While John was taking photos, Mary bought a drink.
先观察句子，再按照规律填空
2. 主句的动作是短暂性的，而从句的动作是持续性的，此时用 ______ 引导时间状语从句。主句用_________时态，从句用__________时态。
while
一般过去
过去进行
先观察句子，再按照规律填空
While Linda was sleeping, Jenny was helping Mary with her homework.
3. 主句和从句的动作在过去某一时刻或某段时间，而且动作都是持续性的，此时用 ______ 引导时间状语从句。而且主句和从句都用__________时态。
while
过去进行
Practice
Fill in the blanks with “While” or “When”
1. ______ May was talking on the phone, her sister walked in.
2. _____ Rita bought her new dog, it was wearing a little coat.
3. _____ I saw Mike, he was wearing a green shirt.
4. _____ I was dancing, he was singing loudly.
5. _____ Linda finally saw Dave, he was jumping with a dog.
6. I was cleaning my room ______ he came in..
When
While
While
When
When
when
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
1. While John was taking photos, Mary bought a drink.
John was taking photos when Mary bought a drink.
1. 看4a中的表格，判断John 和Mary的动作是延续性的
还是非延续性的。
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
延续性
非延续性
2. 讨论：_____ 和 _____ 都表示“当......时候”。
______ 用于过去进行时, 只与延续性动作连用；
_____ 用于一般过去时, 与非延续性动作连用。
when
while
while
when
Thinking
Pair work
(2) While John was playing the piano, Mary left the house.
John was playing the piano when Mary left the house.　
(3) While John was cleaning his room, Mary turned on the radio.
John was cleaning his room when Mary turned on the radio.　
(4) While John was shopping, Mary took the car to the car wash.
John was shopping when Mary took the car to the car wash.
One uses "when" and the other uses"while"
Fill in the blanks with was, were, when or while.
4b
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.
When
was
were
was
While
was
was
While
填空：
____ 用于单数，_____ 用于复数。_____ 后接一般过去时，______ 后接过去进行时。
was
were
when
while
Thinking
pair work
What were you doing at these times last Sunday Fill in the chart. Then ask your partner.
4c
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！
你在开玩笑吧！
学习目标
通过本堂课的学习，你学到了什么？
能掌握when与while的用法和区别
1
能准确使用过去进行时，谈论过去的事情或讲述过去的故事
2