人教新目标版英语九年级全Unit 12 Life is full of the unexpected. Section A Grammar Focus-Section B 1e课件+嵌入音频（24张P

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Grammar Focus—Section B 1e
Unit 12
Life is full of the unexpected.
第3课时
Task 1
Did you forget to bring your backpack to school
Did you miss the bus
What made you embarrassed
Warming-up
Free talk
When I got to school, I realized that I had left my backpack at home.
By the time I got back to school, the bell had rung.
Before I got to the bus stop, the bus had already left.
总结：由when, by the time, before等引导时间状语从句时，若描述发生在过去的事，主句常用过去完成时(had + 过去分词)表示动作发生在过去的过去。
Presentation
Let’s find
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.
总结：be about to do, be doing 等表示即将或正在做某事时，常用when/as引导的从句表示突然发生的动作。
Presentation
The Past Perfect Tense 过去完成时
过去完成时的构成：
助动词 had (用于各种人称和数) + 过去分词
过去完成时的含义：（过去的过去）
主要是表示在过去某个时间，或是动作之前已经发生或完成的动作。
也就是：动作发生在过去的过去。
Presentation
Grammar
过去完成时的用法：
表示“过去的过去”，通常由by引导的表示过去时间的短语或者从句
做时间状语，或由when引导的时间状语从句。
① By the end of last year, I had learned about one thousand English words.
② By the time he was twenty, he had won about ten medals.
③ When I got there, they had already left.
Presentation
(2) 常用在宾语从句中。
He told me he had already finished his homework.
I realized he had fooled me again.
(3) 体现在上下文中。
I didn’t go to the movies yesterday because I had seen it twice.
Presentation
1. By the end of last week, she _____ in the west of China for two months helping the homeless
children.
A. will stay B. has stayed C. would stay D. had stayed
2. The bus _____ for five minutes when Tim arrived at the station.
A. went B. has left C. had left D. had been away
3. By the time I got to the cinema, the movie _____ for ten minutes.
A. has been on B. had been on C. had stopped D. had begun
Grammar exercises
Practice
4a Make sentences using by the time or before.
1. Tim went into the bathroom. Mary got up.
________________________________________________
________________________________________________
2. The coffee became cold. I put cream in the coffee.
________________________________________________
________________________________________________
Before I put cream in the coffee, the coffee had become cold.
Practice
By the time Mary got up, Tim had already gone into the bathroom.
3. The teacher collected the math homework. I got to school.
________________________________________________
________________________________________________
By the time I got to school, the teacher had collected the math homework.
4. I completed the work for my boss. The workday ended.
__________________________________________________
__________________________________________________
I had completed the work for my boss before the workday ended.
Practice
5. The movie started. I arrived at the cinema.
__________________________________________________
6. My mother finished making the apple pie. 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.
4b Fill in the blanks with the correct forms of the words in the box.
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.
rush out forget arrive at go into show up find out
shown up
had
had forgotten
Practice
3. By the time my mother came back from the market, I _____ already _________ of the
door to go to 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
4c Write two true statements and one false statement about your day
yesterday. Then ask your classmates to guess the false statement.
1. By the time I left for school in the morning, ____________________________
Production
2. By the end of the school day, _______________________________________
3. By dinner time, I_________________________________________________
Task 2
costume party
Pre-listening
Let’s learn
embarrassed
Pre-listening
Nouns (people, places, things) Verbs (action words) Adjectives
(description words)
fool
costume
call
change
clock
fool, invite, go off,
get dressed, empty,
show up, realize, change, call,
stay up
embarrassed
empty
tired
1a Put the words in the correct columns in the chart.
Pre-listening
Last Friday night, my friend invited me to his birthday party…
1b Tell your partner about something that happened to you recently.
Use two or more words in 1a.
Pre-listening
Joe
Nick
Dave
1c Listen and write each person’s name under the correct picture.
While-listening
1d Who says each of the phrases below Write “D” for Dave, “N”
for Nick, and “J” for Joe.
______ a costume party 2. ______ my alarm went off
3. ______ stayed up all night 4. ______ was tired
5. ______ was really embarrassed 6. ______ the other kids showed up
D
N
J
J
D
N
While-listening
A: What happened to Dave on April Fool’s Day
B: Well, a friend invited him to a costume party …
1e Tell April Fool’s Day stories in your group. Use the information
in 1c and 1d.
Post-listening
Words and phrases:
cream, workday, pie, show up, bean, market, by the end of, fool, costume, embarrassed, costume party
Structures:
When I got to school, I realized that I had left my backpack at home.
By the time I got back 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.
Summary
Think about the question: What made you embarrassed
Then write a short passage about it.
Homework
Goodbye!