2020-2021学年八年级英语下册课件Unit 5 What were you doing when the rainstorm came? Section A Grammar focus -4C课

Was he/she doing…? Were they doing…?
What were you doing at 9:00am last Sunday?
I was...
at 9:00am
at11:00am
at 4:00pm
at 9:00pm
Structure:__________________
When to use it?
Key words：_____________________
_____________________
_____________________
_____________________
_____________________
The Past Progressive Tense
was /were +doing
at that time
at this time yesterday
at the time of...
at 10:00am yesterday
when/while引导的从句
John was riding.
Mary was running.
John was riding, Mary was running.
The little girl was eating while her mother was cleaning the room.
While
While the little girl was eating,her mother was cleaning the room.
Johnson
Tom and his mother
Tony
Nancy and Steve
While John was riding, Mary was running.
The little girl was eating while her mother
was cleaning the room.
Johnson was playing basketball while Tom and his mother were watching TV.
Nancy and Steve were climbing the mountains while Tony was swimming.
while 引导的从句动词必须是______________,
且通常用______________ 时。
延续性动词
过去进行
When the teacher
came in,Yan Zhiyu
was reading English.
While Yan Zhiyu
was reading English,
the teacher came in.
What were you doing when the teacher came in?
when 引导的时间状语从句
动词一般为____________,
通常用______________ 时，
主句用______________时
瞬间动词
一般过去
过去进行
John ________________ when Mary bought a drink.
was taking photos
John was taking photos , Mary bought a drink.
when
___
While
take photos
play the piano
clean the room
shop
buy a drink
leave the house
turn on the radio
take the car to the
car wash
John was shopping when Mary took the car to the car wash.
While John was shopping, Mary took the car to the car wash.
John was cleaning the room when Mary turned on the radio.
While John was cleaning the room, Mary turned on the radio.
Mary
while
when
actions that can
last for a long time
actions that happen
and stop in a moment
John was playing the piano when Mary left the house.
While John was playing the piano, Mary left the house.
Choose “when” or “while” to fill in the blanks.
1. Ben was helping his mom make dinner ___________
it began to rain.
2. I was singing ______________ he was dancing.
3. The boys were playing by the river ____________ Tom fell off the bike.
4. ________________my mother was washing clothes,
the telephone rang.
5. What were you doing ____________ Mary left home?
the unforgettable moment that happened around us
the unforgettable moment that happened around us
When I was a baby,
my mom sang to me and stayed by my side while I was crying.
When I was tired and hungry,she gave me food and warm arms to sleep in.
While I was running through the field, she made sure I was safe and kept me from danger.
When I fell and hurt myself, she gave me a hug and lifted me up.
Mom Knows Best
While I was coughing badly,she said no ice-cream for me.
When I went out with friends,she said,“please be back by ten.”
While I was watching scary movies,she said it would give me awful dreams.
Now I'm grown up,thinking back to those times,
I regret talking back,not listening to Mom.
Mom knows best,
And for me she wanted only the best!
Mom Knows Best
Homework
1.Tell a story, using while and when.
2.Finish the exercises on QQ.