Unit 10 Section A Grammar Focus 语法公开课课件材Unit10 I' ve had this bike for three years.人教版八年级下册

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Unit 10
I’ve had this bike for three years.
Section A Grammar Focus公开课
一、语言能力
通过情景式导入和与学生小组合作形式，学习和巩固该话题下
的词汇句型，激发调动学生的求知欲。
二、学习能力
掌握含有for、since的现在完成时的用法。能准确区分短暂性
动词和延续性动词在现在完成时中的用法。
三、文化意识
培养学生英语思维能力和初步运用英语交际的能力，使学生能
够在生活情景中熟练运用所学语言。
四、思维品质
通过设置多项任务，锻炼学生团结协作的能力，培养学生总结
归纳、深度思考的能力。
How long have you had that bike over there I've had it for three years.
How long has his son owned the train and railway set He’s owned it since his fourth birthday.
Have you ever played football Yes, I did when I was little, but I haven't played for a while now.
翻译：Grammar Focus
你拥有那边那辆自行车多久了？
我已经拥有它三年了。
他的儿子拥有那套火车和铁路
铁轨的玩具多长时间了？
自从他的4岁生日起，他就拥有它了。
你曾经踢过足球吗？
是的，我小的时候踢过，
但是现在我已经有一段时间不踢了。
Grammar
Try to find out more examples in Grammar Focus.
How long have you had that bike over there I've had it for three years.
How long has his son owned the train and railway set He’s owned it since his fourth birthday.
Have you ever played football Yes, I did when I was little, but I haven't played for a while now.
Grammar
Try to find out grammar points!
—How long have you lived here
—I have lived here for about ten years.
=I have lived here since 2013.
对since 和for 引导的时间状语进行提问，
都可以用_______________.
How long
2023-10=2013
Grammar
Tell true or false.
1.所有的动词都可以有现在完成时.
They have left the school for a month.
She has already been a student since a year ago.
My mom has bought a dog.
2.但如果跟 for, since或how long一起使用时，其动词不能是_______________, 必须是____________
短暂性动词
延续性动词
Grammar
现在完成时（三）
I've had the magazine for half a year.
I've had this red scarf since 2019.
1.表示动作从过去某一时间开始一直延续到现在。
表示持续性动作或状态。
2.常与for, since引导的时间短语或从句连用。
Grammar
For在现在完成时中的用法
I have stayed in the small town for two days.
The film has been on for 20 minutes.
For+一段时间(累计时间)。
For表示“持续了…”
They haven’t seen each other for a long time.
Grammar
since在现在完成时中的用法
Lily has been away from home since last Friday.
I have lived in Xi’an since 2000.
1.since 后面接”时间点”
(如具体的年月、星期、小时。)
Have you stayed here since 3 o'clock
Grammar
since在现在完成时中的用法
Lily has been away from home since last Friday.
I have lived in Xi’an since 2000.
1.since 后面接”时间点”
(如具体的年月、星期、小时。)
Have you stayed here since 3 o'clock
Grammar
since在现在完成时中的用法
I have stayed in the small town since two days ago.
The film has been on since 20 minutes ago.
2.since 后面接”一段时间 + ago”
They haven’t seen each other since a long time ago.
= for +一段时间
Grammar
since在现在完成时中的用法
I have been a dad since my daughter was born.
We have been friends since we met in school.
3.since 后面接“一般过去时从句“
It is two years since I became an English teacher.
总结：在以下的现在完成时的句型中，短暂性动词要转换成延续性动词
how long,for 或者since 搭配使用现在完成时中的动词有什么特点
Discussion time 2:
1. ...for +一段时间
2. ...since +过去的时间点
3. ...since + 一段时间+ ago
4. since + 从句（一般过去时态）
5. How long 引导的问句
巧记瞬间性动词的转换：
开始离去借来还， 出生入死买到家，
穿衣入睡要感冒， 开开关关变结束。
1 begin开始 be on 6 return还 be back
2 leave离开 be away from 7 join加入 be in
3 go去 be off 8 die死 be dead
4 borrow借 keep 9 buy买 have
5 come来 be here 10 arrive到 be here
10 reach到 be here 11 put on穿 wear
12 fall asleep 入睡 be asleep 13 catch a cold 感冒 have a cold
14 open be open 15 close关 be closed
16 become变 be 17 end/finish结束 be over
巧记瞬间性动词的转换：
开始离去借来还， 出生入死买到家，
穿衣入睡要感冒， 开开关关变结束。
Li Lei joined the Party three years ago.(同义句)
Li Lei ____ ____ ____the Party ______ three years.
Li Lei ____ ____ ____the Party _____ three years ago.
2. My father left Guizhou last week.(同义句)
My father ___ ____ ____ ____Guizhou ______a week.
My father ___ _____ ____ ____Guizhou ____ last week.
3. The factory opened in1996.(同义句)
The factory ____ ____ ____ _____ten years.
The factory ____ _____ _____ since 1996.
【即学即练】
join加入某个组织(短暂)—be in+组织(状态)
has been in
for
has been in
since
leave离开某地(短暂)
—be away from(状态)
has been away from
for
has been away from
since
open开业，营业(短暂)
—be open(状态)
has been open for
has been open
Practice
Rewrite the sentences using for or since.
4a
1. Jim is in Japan. He arrived there three days ago.
____________________________________________
2. They are very hungry. Their last meal was ten hours ago.
____________________________________________
3. I have a camera. I bought it in 2009.
____________________________________________
4. I know Anna. I first met her three years ago.
________________________________________________
5. Linda is ill. She became ill on Monday.
________________________________________________
They haven’t eaten/had anything for ten hours.
I have had the camera since 2009.
Jim has been in Japan for three days.
I have known Anna for three years/since three years ago.
Linda has been ill since Monday.
Practice
Fill in the blanks with the correct forms of the words in brackets.
4b
1.I _______________ (never be) to the water park before. I want to _____ (go) next month before the weather gets too cold.
2. They ________________ (never own) any pets, but they
___________________ (always want) to have a dog.
3. We ____________ (have) a piano since last November. We
________ (buy) it from the Li family when they moved to
the US last year.
have never been
go
have never owned
always want
have had
bought
Practice
4. Cathy and Amy _____________ (not be) back to their hometown for two years.
They ________(miss) their hometown a lot and hope to visit the place next year.
5. This museum _____________ (be) here for over 20 years.
It ______ (be) one of the oldest buildings in this small town.
Fill in the blanks with the correct forms of the words in brackets.
4b
haven’t been
miss
has been
is
Practice
1. Do you have a(n)____________ How long have you had it
2. Do you own a(n)____________ How long have you owned it
Fill in the questions and ask two students. Then complete the chart.
4c
Things How long
Tony favorite book for two years
basketball since he was 10 years old
Student 1
Student 2
翻译句子
自打五年前我就有这套火车和铁轨套装玩具了。
Tara离开家已经两个月了。
这本书我已经借了两周了。
这辆自行车我买了两年了。
那只猫已经死了两天了。
电影已经结束10分钟了。
有，拥有— have\own
leave— be away (from)
borrow— keep
buy— have
die— be dead
finish— be over
Summary
for
since
1. since +过去的时间点
since 1999
1. for +一段时间
for 8 years
2. since + 一段时间+ ago
since 23 years ago
3.since能引导时间状语从句(主现从过)，
而for则不能。
He has taught here since he came to China.
注意
1.for和since均须与延续性动词连用，
也可以与非延续性动词的否定式连用。
I haven’t seen him for a long time.
I haven’t heard from her since she left.
2.二者可以转换
for +一段时间 = since + 一段时间 + ago
He has been here for five weeks.
= He has been here since five weeks ago.
Summary
Thank you for listening