Unit 10 I've had this bike for three years. Section A 现在完成时（Ⅲ）课件(共16张PPT)

(共16张PPT)
现在完成时（Ⅲ）
The Present Perfect Tense

表示一个从过去开始,一直持续到现在,有可能继续下去的动作或状态.
通常和for或since引导的时间状语连用.
现在完成时的运用
Eg. His uncle has lived there for more than 9 years.
My parents have been in Shandong for a long time.
1. for +
长达
时间段
2. since +
Eg. Mike has been sick since yesterday/last night.
Linda has studied Chinese since 5 years ago.
Mr Wang has worked in the factory since he came to the city.
自 ... 以来
过去的时间点
时间段+ago
从句
(过去时)
We _______ (know)each other since we _______ (be) children.
We _______ (live) here since we _______ (move) here in 2001.
It _______ (be) ten years since we _______(leave).
It’s 15 years since he graduated from college.
It has been two weeks since I borrowed the book from the library.
have known
were
have lived
moved
is
left
句型：It is/has been + 一段时间 + since从句（过去时）
注: 对 for 或 since 引导的时间状语提问，
必须用how long , 决不能用 when .
Eg. I have lived here for 10 years.
How long have you lived here
She has stood here since 2 hours ago.
How long has she stood here
总结
表示动作或状态从过去已经开始，持续到现在并有可能延续到将来。
“未完成用法”
时间状语：
for+ 一段时间
since + 过去时间点
此时，主句谓语动词
必须是延续性动词
延续性动词：表示能够延续的动作，往往表示经验、经历。
study,work,keep,read,sing,live,teach
短暂性动词：表示不能延续的动作，该动作发生后立即结束。
die,close,open,begin,come,leave,borrow,lend,start,marry
Suan has just finished her homework.
I have lost my dictionary.
The train has arrived.
时间段（for+时间段，since+时间点/从句）
时间点、没有时间状语
用法二
用法一
短暂性动词与延续性动词的转换
我买一本英语书已经三周了。
I have bought an English book for three weeks.
I have had an English book for three weeks.
格林先生自从上周就来这儿了。
Mr. Green has come here since last week.
Mr. Green has been here since last week.
我哥哥参军两年了。
My brother has joined the army for two years.
My brother has been in the army for two years.
buy →have
come →be here
join →be in
×
×
×
5.短暂动词和
延续动词转换
瞬间性动词 延续性动词
buy
borrow
come
go/leave
open/close
begin/start
end/finish
die
catch a cold
become interested in
get married
have
keep
be here
be away
be open/ be closed
be on
be over
be dead
have a cold
be interested in
be married
瞬间性动词 延续性动词
put on
get up
wake up
fall asleep
join
arrive/reach
wear
be up
be awake
be asleep
be in=be a member of
be in/at
---How long has Robert______
---Since 2004.
A. been to Beijing B. become a policeman
C. joined the art club D. studied in this school
---How long have you ______ here
---For two days. I _____ here the day before yesterday.
A. been;came B.come;came
C.came;came D.been;have come
D
A
Though he ______ the book three times, he hopes to read again.
A.read B.reads C.has read D.would read
The astronaut is so tired that he ______ for eleven hours.
A.has been asleep B.has fall asleep
C.has gone tobed D.has gone to sleep
c
A
---I’d like you to tell me something about Shennongjia.
---I’m sorry, but neither Jack nor I _______there.
A.have been B.had been C.have gone D.has gone
He ______ for ten years.
A.has been married B.married
C.got married D.has married
A
A
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
His grandfather ________ since ten years ago.
A.died B.has died
C.has been died D.has been dead
B
D