资源简介

(共29张PPT)
现在完成时(一)
基本概念
时态 主谓宾 主系表
一般现在时 I do my homework. I am a teacher.
一般过去时 I went to Sanya last year. I was fat ago.
一般将来时 I am going to/ will visit the Great Wall tomorrow.
现在进行时 We are listening to the music now.
过去进行时 They were watching football match at 9:00 yesterday.
1.---Have you read Little Woman yet
---Yes, I have already read it.
---No, I haven’t read it yet.
2.Has he ever seen Avengers IV
My boy has just started junior high school.
He's never been to the water park before.
1.现在完成时表示
1)动作发生在过去并对现在有影响或产生结果。
2表示从过去开始一直延续到现在（可能延续下去）的动作或者状态。
2.结构：主语+ have/ has+ done(过去分词)
3.have/has相当于助动词,变疑问提前，变否定haven’t / hasn’t
He has turned off the light. 他已经关灯了
1）表示发生在过去的动作对现在仍有影响。
The light is off.
He turned off the light.
He has turned off the light.
…………………………………………
过去
现在
将来
He has lived here since 1995.
自从1995年以来，他一直住在这儿
2）表示从过去开始一直延续到现在（可能延续下去）的
动作或者状态。
He has lived here since 1995
He began to live here in 1995.
living here
………………………………………….
过去
现在
将来
In 1995
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现在完成时 标志性词
已经
还
从未
曾经
刚刚
以前
两次
already
yet
never
just
before
twice
ever
7
词
7
短
语
到目前为止
自从(那时)
近几年
在过去的几年里
so far up to now
ever since(then)
in recent years
in the past/last few... years
2
特
since
for
+过去时间点/过去时的句子
+ 一段时间
用法辨析：
already
yet
ever
never
just
before
“已经，早已”
多用于肯定句
“还，尚”
多用于否定、疑问句
“曾经”
用于疑问句
“从未”
表否定
“恰好，刚刚”
用于肯定句
“之前”
副词，用于句末
一起来找标词
1.Have you found your pen yet
2. He has lived here since 1978.
3.He has already turned off the light.
4. I have been in the army for more than 5 years.
5.I have just turned off the light.
6. I have been to the Great Wall twice.
7.Great changes have taken place in China in the past ten years.
过去分词
AAA型：
cost cost cost
cut cut cut
hit hit hit
hurt hurt hurt
let let let
put put put
set set set
shut shut shut
read read read
ABB型：
win won won
dig dug dug
lose lost lost
come came come
run ran run
become became become
ABA型：
ABC型：
begin began begun
fall fell fallen
see saw seen
思考: 一般过去时与现在完成时的区别
He lived in the house in 1990.
He has lived in the house since 1990.
I read the book last year.
I have read the book before.
She returned from Shanghai yesterday.
She has been back from Shanghai for two days.
区别 一般过去时 现在完成时
强调点 强调动作发生在过去的时间 强调过去的动作对现在造成的结果和影响
标志词 yesterday， last year three days ago, in 2007 already, yet, ever, never, just, before, recently, so far,
up to now, in recent years，
in the past/last 时间段
现在完成时(二)
去了哪人在哪
---Where is your father
---He has gone to England.
Jim has been to Beijing twice.
I have been in Beijing for five years.
have gone to “已经去某地”说话时该人不在现场尚未回来。
have been to “曾经去过某地”，现在已不在那里了。
have been in “在某地呆了多长时间”常与时间段状语连用。
been to, gone to ，been in
三个短语意不同
have been to+地点
曾经去过人已回
have gone to +地名
去了某地人未归
have been in +地点和时间段
待在某地段时间
可能还要待下去
用法口诀
( )1.---Where is your father
---He isn’t at home. He _______ Zhejiang.
A. has gone to B. has been to C. have been to D. have gone to
( )2.---Where is your uncle I haven’t seen him for a long time.
---He _______ Beijing for about half a year.
A. has gone to B. has been to C. has arrived in D. has been in
( )3.---Paris is a wonderful place.
---So it is. I ______ there twice.
A. have been B. have gone C. went D. will
A
D
A
现在完成时(三)
时间状语
Tom’s grandfather has worked here for nearly 30 years.
I have visited London twice.
Susan has just finished her homework.
I have lost my dictionary.
表示从过去持续到现在的动作或状态
表示从过去某时到现在的经历
表示现在刚完成的动作
表示现在是“做了…”的结果
现在完成时各种情况下常用的时间状语：
1.表示从过去持续到现在的动作或状态
since+表示过去的时间的短语或句子，for +段时间，how long
2.表示从过去某时到现在的经历：ever, never, before, once, …times等
3.表示现在刚完成的动作：already, yet, just等
4.表示现在是“做了…”的结果：不需要时间状语，靠语境来解决。
特例：It is ten years since we left.
笔记天地
( )1.In the past few years there _______ great changes in my hometown.
A. had been B. have been C. were D. are
( )2.---How long have you studied English
---I _______ English since I was five.
A. study B. studied C. have studied D. has studied
( )3.---What do you think of that movie
---Wonderful. I ______ it three times.
A. watch B. watched C. have watched D. will
B
C
C
表示从过去某时到现在的经历
表示从过去持续到现在的动作或状态
表示现在刚完成的动作
①I have been there for five days.
The Green's have lived in China for three years.
②She hasn’t had her English book since last week.
My mother has been up since 5:00 a.m.
③Twenty years has passed since my mother taught in the school.
④It’s a week since she came here.
for+一段时间
since+时间点
一段时间+has passed+since+从句(时态为一般过去时)
It’s+一段时间+since+从句(时态为一般过去时)
笔记天地
1）since 接过去的某一时间点，用来说明动作开始的时间。常用于固定句式：
“It is +时间段+since+一般过去时的的从句”
It is ten years since Bob left the hometown.
2）for 后接一段时间，用来说明动作延续的时间长度。
He has been abroad for two years.
3）How long表示“多长时间”，在现在完成时中，常对“since+过去的某一时间
点”，“since+从句”或“for+一段时间”提问。
---How long have you lived here ----Since 1989
4）since和for的句式转换：since+时间段+ago=for+时间段
since 20 years ago=for 20 years.
注意：since后加过去点时间或一般过去时句子
for+段时间
1. How long have you _______here
A.come B.got C.arrived D. been
2.Both his parents look sad. Maybe they _______what's happened to him.
A.knew B. have known C. must know D. will know
3.Harry potter is a very nice film. I _______it twice.
A.will see B.have seen C.saw D. see
小试牛刀
4.我爸爸去过北京三次了。
5.张老师在这所学校教书已经10年了。
6.我爷爷10年前去世了。
7.近几年，我的家乡发生了很多变化。
D
B
B
My father has been to Beijing three times.
Miss zhang has taught in this school for 10 years.
My grandfather died 10 years ago.
My hometown has changed in recent years.
现在完成时(四)
延续/非延续性动词
1.现完是点状的时间还是段状的时间？
2.现完中的动词是否可以持续？
3.如何判断动词是否可持续？
4.不可持续的动词能否用于现完？
瞬间动词 延续性动词 瞬间动词 延续性动词
buy borrow
open close
begin/ start come
go finish
die catch a cold
put on get up
wake up fall asleep
lost join
arrive/ reach leave
瞬间动词 延续性动词 瞬间动词 延续性动词
buy have borrow keep
open be open close be closed
begin/ start be on come be here
go be there finish be over
die be dead catch a cold have a cold
put on wear get up be up
wake up be awake fall asleep be asleep
lost not have join be in
arrive/ reach be in/ at leave be away

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