Unit 12 Life is full of the unexpected Section A 2d & Grammar Focus 4c语法课课件41张

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Life is full of the unexpected.
Unit 12 Section A 2d & Grammar Focus 4c
学习目标
通过情景体验，能够体会和感悟过去完成时的意义和功能，能用目标语言by the time和before对过去发生的事情进行描述。
通过情景体验，能够合理运用一般过去时和过去完成时、用所给动词的适当形式填空。
通过与同伴交流，能够正确地用过去完成时讲述自己过去发生的事情。
What did Mummy Pig do before the picnic
What did they do on that day
She prepared a lot of food for the picnic.
Let’s watch a video.
The family ate food.
Daddy Pig slept.
Mummy Pig put the dishes away.
Peppa fed the ducks.
Daddy Pig got rid of the bee.
1. What did they do on that day
2. Put them in the correct order.
Let’s think and say.
Let’s explore and learn.
1. When did Daddy Pig sleep
2. When did he eat delicious food
3. Which happened earlier
In the past.
In the past.
He ate delicious food.
Daddy Pig had eaten delicious food before he slept.
past
now
past of
the past
Let’s explore and learn.
1. When did Peppa feed the ducks
2. When did Daddy Pig sleep
3. Which happened earlier
In the past.
In the past.
Daddy Pig slept.
By the time Peppa fed the ducks, Daddy Pig had slept.
past
now
past of
the past
Let’s explore and learn.
1. When did Mummy Pig put away the dishes
2. When did Daddy Pig get rid of the bee
3. Which happened earlier
In the past.
In the past.
Daddy Pig got rid of the bee.
past
now
past of
the past
Daddy Pig had gotten rid of the bee before Mommy Pig put away the dishes.
Let’s observe.
过去完成时肯定句结构
had + 过去分词
Daddy Pig had eaten delicious food before he slept.
时态共和国居民人口普查表
姓名： 过去完成时
时态用处： 表示在过去某个时刻前发生的动作
外貌特征： had + done
特长： 易容
Read 2d and underline the sentences in the past perfect tense.
Let’s read and think.
Let’s observe.
把下面的句子改成否定句：
Before I got to the bus stop, the bus had already left. _________________________________________
Before I got to the bus stop, the bus had not left.
过去完成时否定句结构
Let’s observe.
主语 + had + not + 过去分词 (+ 其他).
Before I got to the bus stop, the bus hadn’t left.
Let’s observe.
把下面的句子改成一般疑问句：
By the time I got to school, the class had started. ___________________________________________
Had the class started by the time you got to school
过去完成时一般疑问句结构
Let’s observe.
Had + 主语 + 过去分词 (+ 其他)
Had the class started by the time you got to school
Let’s observe.
When had the class started
Five minutes before I got to school, the class had started.
过去完成时特殊疑问句结构
Let’s observe.
特殊疑问词 + had + 主语 + 过去分词 (+ 其他)
When had the class started
时态共和国居民人口普查表
姓名： 过去完成时
2. 常见易容外貌：
否定句： 主语 + had + not + done (+ 其他).
一般疑问句： Had + 主语 + done (+ 其他)
特殊疑问句： 特殊疑问词 + had + 主语 + done (+ 其他)
3. 小跟班： __________________________________
Let’s think.
How do we change the verb into the past perfect tense
Let’s enjoy a video and learn more.
Let’s check.（点击白色矩形显示）
be
become
bring
buy
blow
been
become
brought
bought
blown
deal
eat
forget
fall
leave
dealt
ate
forgot
fell
left
01
02
03
04
05
come
cut
do
06
06
07
was/were
became
brought
bought
blew
dealt
eaten
forgotten
fallen
left
came
cut
did
come
cut
done
make
go
have
made
gone
had
made
went
had
1．Seeing John rush into the room with tears in his eyes, I
asked him what _____.
A. would happen B. had happened
C. happened D. was happened
2．Jake _____ his key in the office so he had to wait until his
wife _______ home.
A. has forgotten, comes
B. forgot, come
C. had left, came
D. had left, would come
Let’s practice.
3．Yesterday when I _______ to the station, the train ______
already.
A. got, had left B. got, has left
C. had got, left D. got, left
4．I got to the party late. By the time I arrived, some people
______ home already.
A. went B. would go
C. had gone D. have gone
Let’s practice.
5．— What do you think of the young lady
— She is hard-working. She ________ all her effort into her
work before she got ill.
A. has put B. put
C. had put D. would put
6．The fireman________ the burning building three times before
the fire was put out.
A. is entering B. has entered
C. was entering D. had entered.
Let’s practice.
Let’s practice.
The coffee had become cold before I got to school.
1. Tim went into the bathroom. Mary got up.
By the time Mary got up, Tim had gone into the bathroom.
4a
策略：对比两个动作，哪个发生在过去的过去，哪个就用过去完成时。
2. The coffee became cold. I got to school.
________________________________________
Let’s practice.
3. The teacher collected math homework. I got to school.
_____________________________________________
_____________________________________________
4a
策略：对比两个动作，哪个发生在过去的过去，哪个就用过去完成时。
4. I completed the work for my boss. The workday ended.
_______________________________________________
_______________________________________________
By the time I got to school, the teacher had collected math homework.
I had completed the work for my boss before the workday ended.
5. The movie started. I arrived at the cinema.
________________________________________________
Let’s practice.
4a
6. My mother finished making the apple pie. I got home from my language course.
__________________________________________________________________________________________________
策略：对比两个动作，哪个发生在过去的过去，哪个就用过去完成时。
By the time I arrived at the cinema, the movie had started.
My mother had finished making the apple pie before I got home from my language course.
Let’s practice.
rush out forget arrive at go into show up find out
1. By the time I arrived at the party, everyone else __________ already __________.
2. When he put the noodles into a bowl, he realized he ___________ to add the green beans.
3. By the time my mother came back from the market, I ________ already __________ of the door to go to my piano lesson.
had
shown up
had forgotten
had
rushed out
Let’s practice.
rush out forget arrive at go into show up find out
4. Before she got to the airport, she ____________ about the earthquake.
5. When she __________ the movie theater, she remembered she had forgotten to feed her dog.
6. Before she got a chance to say goodbye, he _____________ the building.
arrived at
had gone into
had found out
语法填空
1
1. We _________ (paint) the house before we _________ (move) in.
had painted
moved
2. That rich old man _________ (make) a will before he _________ (die).
had made
died
语法填空
2
3. They _________ (study) the map of the country before they _________ (leave).
had studied
left
语法填空
3
语法填空
4. The robbers _________ (run away) before the policemen _________ (arrive).
had run away
arrived
4
5. I _________ (turn off) all the lights before I _________ (go) to bed.
had turned off
went
语法填空
5
语法填空
6
6. Paul _________ (go) out with Jane before he _________ (make) a phone call.
had gone
made
7. Tom _________ (say) he _________ (read) the book twice.
said
had read
语法填空
7
8. When I _________ (arrive) at the station, he _________ (leave).
arrived
had left
语法填空
8
语法填空
9. We _________ (learn) about 4,000 English words by the end of last term.
had
learned/learnt
9
10. She _________ (not go) to Qingdao because she _________ (be) there before.
didn’t go
had been
语法填空
10
Let’s talk.
I got up.
My sister went to the library.
My father cleaned the house.
My grandparents went for a walk.
Our family finished
breakfast
My mother prepared breakfast.
Use by the time or when to make sentences.
By the time __________, sb had _______________.
Sb had __________ before ___________________.
When I got up, sb had _______________________.
My weekend
now
11:00 am
10:00 am
7:00 am
8:00 am
9:00 am
9:30 am
Let’s self-check.
学习目标 1 2 3 4 5
能使用目标语言by the time和before谈论过去的事件。
能在复杂的语境中正确使用并区分一般过去时和过去完成时。
能够正确运用过去完成时谈论过去发生的事情、叙述自己的一天。
Homework.
Read 3a again，underline the verbs and analysis the tense of the verbs.
Write your experience with the past perfect tense.
Do you know the April Fool’s Day What funny things did you do Think about it and share it with your classmates.