資源簡介

(共22張PPT)
（人教新目標版）九年級全
Period 3 Section A 4a-4c
Unit 12
Life is full of the unexpected.
Learning objectives
Key words & phrases：
cream，pie，bean，market
by the end of
Key Grammar：
Understand past perfect tense.
Learn to use adverbial clauses with when，before，as，by the time to narrate past events.
cream
n. 奶油；乳脂
① fresh cream 新鮮的奶油
② cream cakes 奶油蛋糕
bean
n. 豆；豆莢
① green beans 四季豆
② broad beans 蠶豆
New words
workday
Today is Friday, the last workday of this week.
今天是周五了，這周的最后一個工作日。
n. 工作日
show up
He did not show up.
他沒有露面。
趕到；露面
New words
market
① a fruit/flower market 水果/鮮花市場
② an indoor/a street market 室內/街頭市場
n. 市場；集市
New words
By the time I got up, my brother had already gotten in the shower.
By the time I got outside, the bus had
already left.
When I got to school, I realized I had left
my backpack at home.
下列句子使用了什么時態？
一般過去時
過去完成時
Lead in
The Greens had left home when the delivery arrived.
The Greens left home at 8:30.
The delivery(快遞) arrived at 9:30.
leave home
arrive
8:30
9:30
過去的過去
Lead in
過去完成時, 表示過去某一時間前就已經發生或完成了的動作，對過去的某一時間點造成的某種影響或結果。
當車來的時候，我在車站已等了20分鐘。
他說自從1949年以來他就在那家工廠工作。
I. 基本含義
① I had been at the bus stop for 20 minutes when a
bus finally came.
② He said he had worked in that factory since 1949.
Presentation
① She said she had been to Paris.
她說她去過巴黎。
② I didn’t know the way to John’s house because I hadn’t been there before.
我不知道去約翰家的路，因為我之前沒去過。
③-Had you visited the museum before
你以前參觀過這個博物館嗎？
-Yes, I had. /No, I hadn’t.
是的，我去過。/不，我沒有去過。
④What had you prepared for the birthday party before yesterday
你昨天之前都為生日聚會準備了什么？
肯定句：
II. 過去完成時的基本結構
主語+had+動詞過去分詞+其他.
否定句：
主語+had+not+動詞過去分詞+其他.
一般疑問句：
Had+主語+動詞過去分詞+其他
特殊疑問句：
疑問詞+had(+主語)+動詞過去分詞+其他
肯定回答:
Yes, 主語+had.
否定回答:
No, 主語+had not.
Presentation
III. 過去完成時的基本用法
1. 表示過去某一時間可用by, before等構成的短語，也
可用when, before, until等引導的從句。
當我到達機場時，我的航班已經起飛了。
這部電影在我到達電影院之前就已經開始了。
他一直等到她說完。
① By the time I got to the airport, my flight had already
taken off.
② The movie had started before I arrived at the cinema.
③ He waited until she had finished speaking.
Presentation
2. 過去完成時用于賓語從句中，表示從句的動作
或狀態發生在主句的謂語動作之前。
她說她在成為一名英語老師之前曾在一家外國公司工作了五年。
他說他以前沒看過如此激動人心的籃球比賽。
① She said she had worked in a foreign company for
five years before she became an English teacher.
② He said he hadn't seen such an exciting basketball
match before.
Presentation
Make sentences using by the time or before.
4a
P92
Practice
By the time Mary got up, Tim had already gone into the bathroom.
Before I could put cream in the coffee, the coffee had become cold.
By the time I got to school, the teacher had collected the math homework.
Tim went into the bedroom. May got up.
2. The coffee became cold. I put cream in the coffee.
3. The teacher collected the math homework.
I got to school.
Practice
I had completed the work for my boss before the workday ended.
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.
4. I completed the work for my boss.
The workday ended.
5. The movie started. I arrived at the cinema.
6. My mother finished making the apple pie.
I got home from my language course.
Practice
Fill in the blanks with the correct forms of the words in the box.
P92
4b
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 _________ 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.
rushed out
had
shown up
had forgotten
had
had gone into
had found out
arrived at
Practice
Write two true statements and one false statement about your day yesterday. Then ask your classmates to guess the false statement.
4c
P92
1. By the time I left for school in the morning,
_____________________________________.
2. By the end of the school day, __________________.
3. By dinner time, I ____________________.
my classmates had cleaned the classroom
I had had six classes
had eaten three apples
Practice
翻譯句子。
然后牛頓研究了結果，并用他學到的東西做了新的實驗。
醫生告訴我，多年的吸煙已經損害了我的健康。
1. Then Newton studied the results and used what he
had learned to do new experiments.
___________________________________________
___________________________________________
2. The doctor told me that many years' smoking had
weakened my health.
__________________________________________
Practice
過去完成時
含義
結構
時間標志詞
過去完成時表示在過去某一時間或動作之前已經發生或完成了的動作。
助動詞had+動詞過去分詞
過去完成時常與when, by the time, before, by等引導的時間狀語或狀語從句連用。
(1) 表示過去某一時間可用by, before等構成的短語，也可用when, before, until等引導的從句。
(2) 過去完成時用于賓語從句中，表示從句的 動作或狀態發生在主句的謂語動作之前。
用法
Summary
1. Can you understand the use of past perfect
tense
2. Can you use past perfect tense to describe
events
Self-evaluation
Write five sentences about an unexpected event using past perfect tense .
Homework

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