Unit 12 Life is full of the unexpectedSection A 1a-1c课件(共25张PPT，内嵌音频) 2022-2023学年人教版英语九年级全一册

(共25张PPT)
Unit 12 Life is full of the unexpected.
Section A（1a----1c）
[ n k spekt d] adj.
出乎意料的；始料不及的
1. To learn to use some words and expressions:
words & phrases: unexpected; backpack; oversleep; ring, by the time; take a shower
sentences:
1. By the time I got up, my brother had already gotten in the shower.
2. When I got to school, I realized I had left my backpack at home.
2. To listen for specific information about Mary’s unexpected experience
3 To talk about one’s unexpected events
4. To try to understand the use of Past perfect tense
Life is full of the unexpected.（生活充满了意外）
Let's share Mary's story.
Mary
unexpected things
Life is full of the unexpected.
be late for school
miss the bus
lose the key
left the school bag at home
the shower was used by someone when you want to use it
receive the birthday present
unexpected events
Have you ever been late for school
2. Can you tell me why
What happened to Mary
Prediction（预测）
She overslept / slept for a long time.
Someone was taking a shower
ran to catch the bus
missed the bus
She left her backpack at home.
Did she have a good day or a bad day
Mary had a bad morning.
[ b kp k]
n. 背包；旅行包
leave sth sw
oversleep [ v sli p]
overslept v.睡过头; 睡得太久;
1a
Listen to Mary talking about her plete the sentences.
1. By the time I got up, my brother _____ already _______
in the shower.
had
now
got in the shower
got up
Past perfect tense
gotten
1b
Listen to Mary talking about her plete the sentences.
1. By the time I got up, my brother _____ already ______ in the shower.
2.By the time I got outside, the bus _____ already ______ .
3.When I got to school, I realized I_____ _____ my backpack at home.
had
gotten
had
left
had
left
1b
Tip:关注动词或动词短语，获取相关信息。
by the time
在......以前
had + done (过去分词)
Boy: Hi, Mary. You look so________.
Mary: I am. I had a ________morning.
Boy: Really What happened
Mary:Well, first of all I _________. By the time I got up, my brother had already ______ in the shower.
Boy: Oh, what a_____!
Mary:So, after he got out of the shower, I took a quick shower and __________. But by the time I went outside, the bus had already ______.
Boy:Oh, no!
Mary: Oh, yes! So I ran all the way to school. But when I got to school, I ________I had left my backpack at home.
Boy: No wonder you look________ .
tired
overslept
got dressed
left
realized
stressed
gotten
Listen again and fill in the blanks.
bad
过去完成时表示
A. 过去
B. 过去的过去
过去完成时
had + done (过去分词)
pain
多么痛苦
Underline the sentences with “had done”
She got up late. She overslept.
Tell a story
oversleep (overslept, overslept)
v. 睡过头；睡得太久
复合词中的over常有“过于……”之意
Don’t oversleep, Dean! You are to be late.
迪恩，别睡过头了！你要迟到了。
Look at the pictures and make sentences.
By the time I got up , my mother had cooked breakfast for me.
at 6: 45
7 o’clock
at 6: 30
By the time I got up, my mother
____ ____ ( finish) washing clothes.
had finished
Free talk
By the time she got to the class, she realized she _____ _____ ( leave ) her homework at home.
By the time they got to the train station, the train _____ _____( leave).
had left
had left
Summary
by the time意为“到……时候为止”
By the time he returned home, the rain had stopped.
by the time+ 一般过去时，主语+ had + 动词的过去分词
过去完成时：表示在过去某一时间或者动作之前，某一动作已经完成,强调过去的过去。 had + 动词的过去分词
巩固练习
1. By the time I ____ ( get)home ,my father _____ ____( sleep).
2 .By the time I _____ (get) up ,my grandfather _____ _______( begin ) working.
3 .By the time I _____(leave)my school, I _____ ____ (finish) my homework.
4.By the time I ___(get) to the office , my boss ____ _____(leave).
had slept
got
got
got
had begun
had finished
had left
left
5.When I got to school, I realized I_____ _____ my backpack at home.
had left
过去完成时：had + done (过去分词)
过去完成时
1. 过去完成时态的含义:
表示在过去某个时间或动作之前已经发生或完成的动作。它表示的动作发生的时间是“过去的过去”。
Summary
3. 否定句构成：主语 + had not (= hadn’t) + 过去分词 + ...
2.基本句式构成
4. 疑问式构成： Had + 主语 + 过去分词 + ...？
Yes, 主语 had. / No, 主语 hadn’t.
2. 肯定句构成：主语 + had + 过去分词 + ...
1. 基本构成：“助动词had(用于各种人称和数) + 过去分词”
3.时间状语
(1)by/ before + 过去的具体时间 “ 在......之前”
She had finished the work by 9:00 yesterday morning.
(2)by the end of +过去的时间 “到......末为止”
By the end of last week,she _________ (stay)
in the west of China for two months helping the
homeless children.
(3)when /before +从句（一般过去时）
When I ______________________ the train station, the train _____ already ________.
当我到达火车站时，火车已经离开了。
(4)by the time +从句（一般过去时）“到......为止”
当我回到学校时，铃声已经响了。
___________ I ____ to school, the bell _____.
had stayed
got to/reached/ arrived at
had
left
By the time
got
had rung
（5）含有宾语从句的复合句：当主句为一般过去时，且从句的动作发生在主句的动作之前时，从句用过去完成时。像在told, said, knew, heard, thought 等动词后的宾语从句中。
She said that she ____________ the movie before.
她说她以前看过这部电影。
had seen
(6)过去完成时表示从过去某一时间开始，持续到过去某一时间的动作或状态。常常和for, since引导的，表示一段时间的短语或从句连用(谓语动词要用延续性动词）。
1. Life is full of the unexpected.
unexpected adj. 出乎意料的；始料不及的
e.g. It will not be unexpected if Tom comes late again, because he is always like this.
如果汤姆又迟到了，一点也不意外，因为他一向如此。
Life is full of the unexpected.
“the + 形容词”表示一类人或物
2. By the time I got up, my brother had already gotten in the shower.
by the time 在……以前，常引导表示过去的时间状语从句，主句常用过去完成时，即had+动词过去分词。
e.g. By the time I got there, he had already left.
在我到那儿之前，他已经离开了。
1. —Sorry, Mr.Green. I my English book at home.
— That's OK, but don't forget next time.
A. forgot B. forget C. left D. kept
2. How I wish I could sleep longer! However, I had to get up
as soon as the alarm clock .
A. ran off B. went off C. took off D. went on
3.By the time I to airport, the plane .
A. got; took off B. get; has taken off
C.got; had taken off D.got; takes off
Exercise
一、单项选择。
用括号内单词正确形式填空：
1. We ____________ ( learn ) 800 English words since we came to this school.
The teacher said we _____________ ( learn ) 800 English words since then.
We _________ ( learn ) 800 words last term.
We ____________ ( learn ) 800 words by the end of last term.
2. He _________ ( have ) a meeting next week.
He _______ ( have ) a meeting two weeks ago.
He told me he __________ ( have ) a meeting two weeks before.
have learned
had learned
learned
had learned
Practice
had
had had
will have
用所给词的适当形式填空。
1. By the time I got outside, the school bus
_____ _____ (leave).
2. When I ______ (get) to the cinema, the
film ______ ______ (be) on for 10 minutes.
had left
got
had been
3.When I told him the bad news, he stared
at me ____ ___________( 难以置信地）
4.None of my grandparents are ______(live) now
5. Sit down everyone, the film____ _____ ____
(即将）start.
in disbelief
alive
is about to
Homework
Preview the conversation in 2d.
Do the exercises in students’ book.