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(共33张PPT)
老师：XXX
班级：XXX
Unit 10
I’ve had this bike
for three years.
Section A Grammar Focus-4c
目录
Lead in
1
2
Grammar
3
Practice
4
Summary
5
Exercises
6
Homework
学习目标
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。
语言能力
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。
思维品质
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。
文化意识
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。
学习能力
01
Lead in
第一部分
Lead in
Find out the sentences about
present perfect tense（现在完成时）.
We______ _____ each other _____ we were nine or ten.
have known
since
Lead in
Find out the sentences about
present perfect tense（现在完成时）.
I ______ ____ you _____ a thousand years.
have loved
for
present perfect
with for and since
02
Grammar
第二部分
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.
Try to find out grammar points!
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
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.
Grammar
延续性动词和非延续性动词
1.延续性动词，可持续一段时间的词
动作开始
动作结束
动作开始
动作结束
swim
sleep
open
buy
lend
leave
read
close
sell
borrow
come
have
keep
begin
finish
2.短暂性动词，开始之后很快结束(极短)，
不可持续
Grammar
1.现在完成时中，表示短暂(瞬间性)的动词不能和一段时间连用.
电影开始十分钟了。
The movie has begun for 10 minutes.
The movie has been on for 10 minutes.
袁隆平去世两年了.
He has died for two years .
He has been dead for two years .
延续性动词和非延续性动词
2.短暂性动词须转换为延续性动词
Grammar
延续性动词和非延续性动词的转换
V.→V.
→ _________
→ _________
→ _________
→_________
buy
borrow
catch
come
have
keep
have
stay
V.→be+adj.
→ _________
→ _________
→ _________
→_________
open
close
die
marry
be open
be closed
be dead
be married
Grammar
延续性动词和非延续性动词的转换
V.→be+adv.
→ _________
→ _________
→ _________
→_________
leave
go
finish
begin
be away (from)
be there
be over
be on
other
→ _________
→ _________
→ _________
→_________
join
fall asleep
go to bed
move to
be in\a
be asleep
be in bed
live in
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
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
03
Practice
第三部分
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
06
Summary
第四部分
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
07
Exercises
第五部分
Exercises
1.-- How long may I __ your book
--For a week. But you musn't _______ it to others.
A. borrow; lend B. keep; lend C. lend; borrow D. keep; borrow
2.Ben___ a teacher for 4 years .
A. has been B. has become C. was D. became
3. He_______ at eight yesterday afternoon.
A. slept B. was sleeping C. has sleep D. had slept
4. Tom is ill in hospital. He a cold for several days.
A. is B. catches C. has caught D. has had
一、单项选择
Exercises
二、翻译填空
1. 她成为一名护士已经三年了。 (become)
2. 我已经离开上海5天了。 (leave)
3. 这本书他已经买了两周了。 (buy)
4. 我入团已经一年了。 (jion)
5. 他来这里已经三年了。 (come)
She has been a nurse for three years.
I have been away Shanghai since five days ago.
He has had the book for 2 weeks.
I have been in the League for one year.
He has been here for three years since he came .
08
Homework
第八部分
Homework
Level B:Draw a mind map of Present perfect tense .
Level A:Talk about your favorite things you have, and make a report next class.
老师：XXX
班级：XXX
THANK YOU
感谢大家观看

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