Unit 12 Life is full of the unexpected. Section A 1a-2d课件-(共34张PPT，内嵌音频)2024-2025学年人教版英语九年级全册

(共34张PPT)
Section A1
1a-2d
Unit 12 Life is full of the unexpected.
Do you remember any unexpected situations in your daily life
What happened to Mary
3
4
She overslept.
oversleep---overslept---overslept
Her brother had already gotten in the shower.
The bus left.
She had to run to school quickly.
What happened to Mary
Listen
3
4
Have you ever been late for school
By the time________________, the bell__________.
she got to school
present
The bell rang.
8:00 A.M
had rung
She got to school.
8:15A.M
She got into the
classroom.
The teacher started teaching in the classroom.
When she ________________, the teacher
________________ in it.
had started teaching
got into the classroom
8:22 A.M
8:20 A.M
present
His grandma
came from America.
Li Ming grew up.
By the time / When his grandma ___________
America, Li Ming _____________.
came from
had grown up
By the time… or When…
Liu Mei woke up.
The concert was over.
By the time / When Liu Mei_________,
the concert _____________.
woke up
had been over
The policeman got to the shop.
Tom ran away.
By the time / When the policeman ______
the shop, Tom _____________.
got to
had run away
1b
Listen to Marry talking about her plete the sentence.
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
2a
Listen to Mary continue her story.
Number the pictures 1-4 in the correct order.
1
2
3
4
2b
Fill in the blanks with the correct forms of the verbs in the brackets. Then listen again and check your answers.
When I _____ (get) home, I realized __________ (leave) my keys in the backpack.
By the time I ______ (get) back to school, the bell _________(ring).
By the time I ______ (walk) into class, the teacher ___________ (start) teaching already.
got
I had left
got
had rung
walked
had started
present
Pairwork
film started
cooked dinner
had no money
left one’s homework at home
played basketball
got to the cinema
went home
bought books
hand in homework
was a kid
A:What happened to you
B:By the time / When…had done…
Role-play the conversation.
Why were you late for class today, Kevin
My alarm clock didn’t go off! I kept sleeping, and when I woke up it was already 8:00 a.m.!
2d
present
future
8:00
Summary
The Past Perfect Tense.
By the time/When + clause(从句） , …had already done sth
By the time / When I got outside, the bus had already left.
got outside
had already left
take a shower
by the time ...
alarm clock
go off
keep doing sth.
wake up
put on some clothes
rush out of the door
give ... a lift
at least
be five minutes late for class
洗淋浴
在……以前
闹钟
(闹钟)发出响声
一直做某事
醒来
穿上衣服
冲出门外
捎……一程
至少
上课迟到5分钟
Key phrases
1. by the end of
by the end of意为“到……末为止”，其后只能接时间，可用于将来时或过去完成时。例如：
We’re going to finish it by the end of this week.
到本周末，我们将完成这项工作。
【拓展】
(1) at the end of 意为“在……末端，在……尽头”，可以表示时间，也可以表示地点。例如：
at the end of January在一月底 （表示时间）
at the end of the street在街道末端（表示地点）
(2) in the end 意为“最后，终于”，相当于at last，finally，其后不能接of短语。例如：
Our team beat theirs in the end.　最后，我们队战胜了他们队。
重点词语、短语辨析
2. go off
go off 意为“发出响声”。例如：
My alarm clock didn’t go off. 我的闹钟没有响。
The alarm went off. 警铃骤然响起。
【拓展】
（1）go off 还有“离开，出发”等意。例如：
Do go off the main road, or you’ll be lost.
不要离开大路，否则会迷路的。
（2）go off 还表示“变质”。例如：
This milk has gone off. 牛奶变坏了。
3. oversleep
oversleep 意为“睡过头”，它的过去式和过去分词都是overslept。例如：
I overslept and missed the school bus. 我睡过了头，没赶上学校班车。
【拓展】
某些词前缀over，表示“超过, 优越, 过度等”。
overage 过老的
overtime 超出时间的
overwork 过度工作
overdo 做得过分
I think the work is overdone. 我觉得这工作做过头了。
She overdressed herself today. 她今天打扮过头了。
4. leave
leave作动词，意为“离开(某处)”，常与for连用，后接要去的地方。leave的过去式和过去分词都是left。例如：
He is leaving for Beijing next week. 他下周打算离开去北京。
Mr. Smith left the room at two o’clock. 史密斯先生两点离开房间。
【拓展】
（1）leave还意为“离开(某人)的身边;离弃”。例如：
Her husband has left her. 她的丈夫把她遗弃了。
（2）动词短语leave something at/in ＋表示地点的名词，意为“把某物忘在某地”。例如：
I left my key at home. 我把钥匙忘在家里了。
Tom left his English book atschool, so he didn’t do his homework.
汤姆把英语书落在学校了，所以没有做英语作业。
（3) leave还意为“听任,使处于某种状态”。例如：
He left the windows open. 他让窗子开着。
【辨析】leave和forget
leave和forget两者都是动词，都含有“忘记” 的意思。表示把某物“落在某地方”用leave，如果无具体地点，则用forget。例如：
He said that he had left his book in the classroom.
他说他把书落在教室里了。
I will never forget her. 我永远也忘不了她。
1.Life is full of the unexpected.
be full of意为“充满”，相当于be filled with。例如：
The glass is full of water.=The glass is filled with water.
杯子里装满了水。
The classroom is full of different boys and girls.
教室里挤满了不同的男孩女孩。
重点句型
2. And by the time I got up , my brother had already gotten in the shower.
（1）by the time的意思是“到……时间为止”，强调时间的截止，引导时间状语从句。By the time＋过去的时间，主句一般用过去完成时，表示在从句谓语动作前已经完成。例如：
By the time I got there, the bus had already left.
当我到那里时，公共汽车已经开走了。
（2）当时间状语为by the end of last month/year/week时，主句也用过去完成时。例如：
By the end of last month we had learned 20 English songs.
到上一个月我们已经学习了20首英语歌曲。
练习题
一、单项选择
1.--Why were you late this morning
--My alarm clock didn’t _____, so I overslept.
A. go by B. go on
C. go off D. go down
2. When I got to the cinema, the movie ____ for
five minutes.
A. began B. had begun
C. had been on D. has been on
C
C
3. She will be a nurse ____ she graduates from the school.
A. by the time B. at this time
C. at that time D. at a time
4. I ___ this morning and missed the early
bus.
A. overslept B. slept
C. held D. caught
A
A
5. I don’t like vegetables ____ they are good
for my health.
A. because B. even though
C. after all D. so that
6. Hurry up, Tom! The train is _____ to start.
A. about B. with
C. for D. at
B
A
7. -- Boys and girls! Please ____ your
compositions after class.
-- Oh, my God! I ____ it at home.
A. hand in; forgot B. hand in; left
C. hand out; forgot D. hand out; left
8. Ice is not often seen here in winter as the
temperature normally stays ____ zero.
A. up B. down
C. above D. below
B
C
Review the new words and expressions.
Recite 2d.
《高分突破》P150-152.