(共25张PPT)
Section A Grammar Focus-4c
Unit 10
I’ve had
this bike for three years.
I have owned the toy bear for more than 6 years.
—— How long has the had that toy bear
—— She has owned the had that toy bear for more than 6 years.
I have worked as a policeman for tem years.
—— How long has he worked as a policeman
—— He has worked as a policeman for ten years.
We've known each other since we are primary school student.
—— How long has you known Jack
—— We have known each other since we are primary school student.
I have worked here since June.
—— How long has he worked here
—— He has worked here since we June.
Grammar
一、含since 或 for 的现在完成时
某些动词的现在完成时可表示过去某一时间开始并一直持续到现在的动作或状态,常与“for + 时间段”、“ since+过去的时间点或从句”或“since + 时间段+ago”连用。
He has worked here for over twenty years.
He has learned about 5,000 English words since he went to college.
She’s been at this school since five years ago.
【拓展延伸】含 for 和含 since 的现在完成时的句子有时可互相转换。
我从13年前开始就住在这里。
I’ve lived here since 13 years ago.
= I’ve lived here for 13 years.
= It has been 13 years since I began to live here.
练一练
选择for或since填空。
1. I have been here ________ five months ago.
2. He has been a soldier _____ about two months.
3. Great changes have taken place ________ you left.
4. His grandpa has been dead _____ ten years.
5. I have studied English _______ I was 12 years old.
6. It is two years ________ I became a postgraduate student.
since
for
since
for
since
since
二、现在完成时中的谓语动词
在现在完成时中,与“for + 时间段”、“since + 过去的时间点或从句”或“since+时间段+ago”连用的动词必须为延续性动词。常见的延续性动词有 have,live,teach,learn,work,study ,know 等;常见的非延续性动词(词组)有 come,go,leave,start,die,finish,become,join,buy,get married 等。
他入团两年了。
( × ) He has joined the League for two years.
( √ ) He has been a League member for two years.
这块手表我买了两年了。
( × ) I have bought this watch for two years.
( √ ) I have had this watch for two years.
【拓展延伸】
部分非延续性动词(词组)和与之对应的延续性动词(词组)的表达。
非延续性动词(词组) 延续性动词(词组)
become be
borrow keep
buy have
get up be up
fall asleep be asleep
make friends be friends
finish be over
leave be away (from)
非延续性动词(词组) 延续性动词(词组)
open be open
close be closed
lose be lost
die be dead
join be a member of / be in
begin/start be on
come/go be here/there
turn on/off be on/off
练一练
Becky (has been, has become) a doctor for ten years. She likes her job very much.
2) We are late. The movie (has started, has been
on) for ten minutes.
3) Ken, you should return the book to the library. You ______________ (have borrowed, have kept) it for more than two weeks.
4) I (have bought, have had) this bike since I was ten,
so I want to buy a new one.
has been
has been on
have kept
have had
现在完成时
forr
sincer
for/sincer
后接时间段r
后接时间点r
for + 一段时间
= since + 一段时间 + ago
r
后跟延续性动词
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 Focus
Jim is in Japan. He arrived there three days ago.
__________________________________
2. They are very hungry. Their last meal was ten hours ago.
____________________________________
Rewrite the sentences using for or since.
Jim has been in Japan for three days.
They haven’t eaten for ten hours.
4a
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.
____________________________________
I have had a camera since 2009.
I have known Anna for three years.
Linda has been ill since Monday.
1. I __________________ (never be) to the water
park before. Iwant 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
Fill in the blanks with the correct forms of the verbs in brackets.
have never been
go
have never owned
have always wanted
have had
4b
November. We _________ (buy) it from the Li
family when they moved to the US last year.
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.
bought
haven’t been
miss
has been
is
Fill in the questions and ask two students. Then complete the chart.
1. Do you have a (n)_________ How long have you had it
2. Do you own a (n)__________ How long have you owned it
Things How long
Tony favorite book for two years
basketball since he was 10 years old
student 1
student 2
4c
一. 单项选择。
1. Miss Liu has taught English ___ she came here.
A. since B. as C. when D. for
2. — Look at these stamps. I ___ them for five years.
— Wow, they are wonderful.
A. kept B. have kept C. have bought
Exercises
3. My sister has learnt English ______.
A. for twelve years ago B. since she was four
C. twelve years ago D. at the age of four
4. She _____ the book ______ two days ago.
A. has borrowed; since B. has kept; since
C. kept; for
5. — Did you borrow the comic book from the library
— Yes, I ______ it for three days. I’ll return it this
afternoon.
A. borrowed B. kept
C. have borrowed D. have kept
二. 根据汉语提示,完成下面的句子。
1. 你上个星期五就借了我的书,还没有看完吗?
You __________ my book ______ last Friday.
Haven’t you finished reading it
2. 我从七点起就开始等了。
I have waited _____________________.
3. 她已经到达公司半个小时了。
She has been in the company _______________.
have kept since
since seven o’clock
for half an hour
have kept since
since seven o’clock
for half an hour
4.他们已去美国五年了。
They have been in the USA for five
years.
5.自从他搬到济宁,他就住这儿了。
He has been here since he moved to
Jining.
6.自从1999年以来他们就认识。
They have known each other since
1999.