Unit 12 Life is full of the unexpected Section A Grammar Focus-4c-课件(共35张PPT)

(共35张PPT)
Unit 12
Life is full of the unexpected.
Section A Grammar Focus-4c
Objectives
To learn words and phrases:
cream, workday, pie, show up, bean,
market, by the end of
To learn the usage of the past perfect tense.
Warming up
Talk about Mary’s morning.
By the time she got up, her brother had already gotten in the bathroom.
Grammar Focus
When I got to school, I realized that I had left my backpack at home.
By the time I got to school, the bell had rung.
Before I got to the bus stop, the bus had already left.
I was about to go up to my office when I decided to get a coffee first.
As I was waiting in line with the other office workers, I heard a loud sound.
过去完成时
(1)用法：
用来描述在过去某一时间或动作之前已经发生或完成了的动作。(过去的过去)
(2) 构成：
由“助动词had(用于各种人称和数) + 过去分词”构成.否定式：had not + 过去分词
缩写形式：hadn’t
Language points
(3) 标志词：
表示过去某一时间发生的动作用by the time, before, when引导时间状语从句；by the end of 接短语
表示过去的过去发生的动作常与already, since+点时间，for + 段时间连用。
(4) 口诀：
有两个动作发生在过去，一个先发生， 一个后发生，先发生的用过完，后发生的用过去。
过去完成时动词表示过去某一时间或某一动作之前完成的动作或状态。强调过去某一动作发生在另一动作之前时。
他说他以前见过你。
He said that he _________ (see) you before.
had seen
过去完成时的具体用法
2.过去完成时词可以表示过去某一时刻之前发
生的动作或呈现的状态，这一动作一直持续
或将继续下去。
到了六点钟为止，他们已经工作了八小时了。
By six o’clock they ____________ (work)for eight hours.
我到广州时，他在那里很长时间了。
When I came to GZ , he _____________(be) there for a long time.
had worked
had been
3.过去完成时和 already, just, ever, yet等
连用表示过去的过去。
他告诉我说他们队已经赢了。
He told me that his team _________ already ___________ (win).
她说她仍没去过长城。
She said that she _______________(not go to) the Great Wall yet.
had
won
hadn’t been to
1.一般过去时表示在过去某时发生的动作或
存在的状态。
例：We started to learn English 5 years ago.
我们五年前开始学英语。
一般过去时、现在完成时与过去完成时
5 years ago
now
2. 现在完成时表示的动作发生在过去，但侧重对现
在产生的结果或造成的影响，与现在有关。其结
构为：“助动词 have（has）+过去分词” 。
例：We have learned English for 5 years.
我们已经学了五年的英语了。
5 years ago
have learned
now
3. 过去完成时表示在过去某个时间或动作之前
已经发生或完成了的动作或存在的状态，即
“过去的过去（ past-in-the-past ）”。
例：We had learned English for 4 years by last year.
到去年为止，我们已经学英语四年了。　　　　　
past in the past
past
now
1. 过去完成时的构成：_____+___________
2. 过去完成时表示：
_________________________________ _________________________________
3. 过去完成时常于___________________________
等引导的时间状语连用。
had
过去分词
when, before, by the time
过去某一时刻或动作之前已经发生或完成的动作。
总结
用所给词的适当形式填空。
1. When I got there, the bus _________ (go).
2. By the time I got to class, the teacher ___________ (start) the class.
had gone
had started
3. We _____________ (learn) over 1,000 words by the end of last term.
4. I ___________ (clean) the room before he
arrived here.
had learnt
had cleaned
1.当我到达学校的时候，我才意识到我把书包忘 在家里了。
_______ I got to school, I realized that I
______ ______ my backpack at home.
2.到我返回学校的时候，铃声已经响过了。
_____ _____ _____ I got back to school, the bell ______ _______.
When
had
left
By the time
had rung
根据汉语提示完成句子。
3.我到达公共汽车站之前， 汽车已经离开了。
Before I _____ _____ the bus stop, the bus
______ _______ _______.
4.我决定先买一杯咖啡，然后再去办公室。
I ______ ______ ______ go up to my office when I decided to get a coffee first.
got to
had
already left
was about to
1. Tim went into the bathroom. Mary got up.
____________________________________
____________________________________
2. The coffee became cold. I put cream (n. 奶油)
in the coffee.`
__________________________________
__________________________________
Before I put cream in the coffee, the coffee had become cold.
4a
Make sentences using by the time or before.
By the time Mary got up,Tim had
already gone into the bathroom.
3. The teacher collected the math homework. I got to school.
________________________________________
________________________________________
4. I completed the work for my boss. The workday (n. 工作日) ended.
________________________________________
________________________________________
By the time I got to school, the teacher had collected the math homework.
I had completed the work for my boss before the workday ended.
5. The movie started. I arrived at the cinema.
__________________________________
__________________________________
6. My mother finished making the apple pie (n. 苹果派).
I got home from my language course.
______________________________________
______________________________________
______________________________________
The movie had started before I arrived at the cinema.
By the time I got home from my language course, my mother had finished making the apple pie.
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 (n. 豆).
rush out, forget, arrive at, go into,
show up (赶到；露面), find out
shown up
had
had forgotten
4b
Fill in the blanks with the correct forms of the words in the box.
3. By the time my mother came back from the market
(n. 市场), I ____ already __________ of the door to
go for my piano lesson.
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.
had
rushed out
arrived at
had gone into
had found out
1. By the time I left for school in the morning, __________________________________
__________________________________
__________________________________
I had already had breakfast.
I had already had supper.
I had already had my hair cut.
Write two true statements and one false statement about your day yesterday. Then ask your classmates to guess the false statement.
4c
2. By the end of the school day,
__________________________________
_________________________________
_________________________________
3. By dinner time, I_________________________________
I_________________________________
I_________________________________
I have got a present from Tom.
I had had these articles read.
I had finished my homework.
had had too many apples.
had eaten plenty of meat.
have had all the housework finished.
1. When Tim get back home, he started to realize that the thief ___________ (come) to his house.
2. By the time I received the letter, I ________________ (tell) the content of it.
had come
had been told
Ⅰ. 用括号里所给词的适当形式填空。
Exercises
II. 翻译下列句子。
1.当他到达学校的时候，老师已经开始上课了。
2.当我出来的时候，我爸爸已经离开家了。
By the time he got to school, the teacher had already started teaching.
When I got outside, my father had left home.
3.在我拿书包以前我把门锁上了。
4.在她做完作业之前她妈妈已经回来了。
Before I got my schoolbag, I had locked the door.
Before she finished her homework, her mother had already been back.
market burn above
miss unexpected pie
1. I got up late and ______ the early bus this morning.
2. The mountain is 1, 000 meters ______ the sea level.
III. 用方框中词的适当形式完成下面的句子。
missed
above
3. My daughter went with me to the ________ and
bought clothes.
4. His wife made some apple _____ for dinner.
5. He became worried when he heard of the
______________ news.
market burn above
miss unexpected pie
market
pies
unexpected
1. I happened _____ him in the park yesterday.
A. meet B. meeting
C. met D. to meet
2. Have you ever invited a friend ____ your school A. for B. with
C. to D. at
Ⅳ. 单项选择。
D
C
3. What did you do ______ April Fool’s Day
A. on B. at
C. in D. with
4. — The advertisement says there will be a great
celebration this Sunday.
— Forget it, it’s a ________.
A. fool B. hoax
C. pleasure D. risk
A
B
5. Johnny announced that he would never _____
before finding a satisfying job.
A. marry B. married
C. get married D. get marry
6. — Why was Miss Lee angry this morning
— Because Tom didn’t _____ his homework.
A. hand out B. hand in
C. give away D. give out
C
B
While the lights_______to red, a car suddenly appeared round the corner.
A. change
B. have changed
C. were changing
D. will change
C
中考链接
1.Review Grammar Focus.
2.Try to make sentences with “before”,
“by the time”and “when”, and
make use of the past perfect tense.
Homework