(共23张PPT)
现在完成时
The Present Perfect Tense
Review
1、现在完成时的定义
2、现在完成时的句子结构
4、现在完成时的标志词
3、动词过去分词的构成
6、辨析have/has gone to ; have/has been to ;
have/has been in的用法、区别。
现在完成时态
知识清单
5、掌握一些做题技巧
现在完成时
( present perfect tense)
Lead in
Let's enjoy a video
I have finished , too.
What did they say in English
I have read it for five days .
I have finished my homework .
Guangguang:
Beiye:
Feifei:
助动词
过去分词
↓
↓
+
（已经）
已经完成了
Presentation
定义：
①表示动作发生在_____，并对______造成的影响和结果。
现在完成时态
过去
现在
Guangguang: I have finished my homework .
past
now
future
现在 不用写
定义：
现在完成时态
past
now
future
现在 没读完
②表示动作发生在______，并一直延续到 ________，有可能______________。
Feifei: I have read it for five days .
过去
现在
一直持续下去
句子结构：
主语+助动词（have / has（三单)+过去分词+其他.
现在完成时态
（已经）
1. Guangguang has finished his homework .
肯定句:
助动词（have/has）后+not（haven't / hasn't)
2. Guangguang has not finished his homework .
变否定:
变疑问:
3. Has Guangguang finished his homework
一提、二变
----Yes, he has.
（have/has提前 ; 首字母变大写,句号变问号）
/ No, he hasn’t.
动词过去分词的构成
规则动词的过去分词：
辅 + y结尾的改y为i + ed
直
去
双
改
1. visit---visited---visited
2. live---lived---lived
3. stop---stopped---stopped
4. study---studied---studied
直接 +ed
以字母e结尾的规则动词去e再加ed
重读“辅+元+辅（w 和y除外）”，
双写尾字母+ed
stop
close
live
shop
过去分词：done
study
watch
work
copy
You say I pick(摘)
直
去
双
改
cook
分类记忆
eg:
AAA型 put put put
AAB型 beat beat beaten
ABA型 run ran run
ABB型 buy bought bought
ABC型 begin began begun
不规则动词的过去分词：
现在完成时——标志词
already（肯定句）、
①
副词类
yet（否定句, 疑问句）、
ever、
just、
recently
②
till now / until now、
so far、
in the past +时间段(few years)...
③
once、
twice、
基数词+ times（3次及以上）
④
by+时间
（eg: by 9:20/ by2012）
⑤
since+时间点
(eg: since 2008)
年份（1993），月份（October)、星期（Monday)、last....(last term)、
yesterday “自从...”
⑥.for+时间段，表示“长达多久”
eg. ten years、a while、 two days等。-----“长达”……
短语类
次数
never、
现在完成时——标志词
副词类
④. by+时间
⑤. since+时间点
⑥. for+时间段
短语类
次数
①.
②.
③.
5 hours ago.
1.for+时间段=since+时间段+ago
He has stayed here ____
2.since+从句,
eg. She___________(teach) English since she (come)here.
注意
eg. He has stayed here for 5 hours.
‖
has taught
came
从句
主句
since
从句用一般过去时，主句用现在完成时。
Challenge 1
用already 或者yet填空。
1.Have you taken down the old pictures ____
2.We have finished our composition _______.
3.He hasn't visited the exhibition ____.
yet
already
yet
疑问句
肯定句
否定句
快速抢答
For VS. since
2. Mrs. Liao has been in hospital______ last week.
3. My friends haven’t visited me ______two days ago.
4. Tom has worn glasses _______he was 7 years old.
for
since
since
since
时间段
时间点
since+时间段+ago
since+从句
一般过去时
现在完成时
Challenge 2
找：
标志
定：
时态
1.Mr. Brown has lived in Australia ______ 15 years.
快速抢答
have/has+过分
Challenge 3
真题派送
1. —What do you think of your Middle School life
—It ____ many sweet memories in my heart in the past 3 years.
A. leave
B. left
C. has left
D. will leave
做题步骤
找：
标志
定：
时态
——现在完成时
想：
结构
选：
答案
have/has+过分
Challenge3
真题派送
2. The documentary----Aerial China《航拍中国》is
wonderful. So far, I _____ it three times. (2021省卷34题）
A. watched
B. will watch
C. have watched
D. watch
做题步骤
找：
标志
定：
时态
—现在完成时
想：
结构
选：
答案
重要考点
Group work
四人一组，讨论have/has gone to ; have/has been to;
have/has been in的含义及用法区别，每组选出一名代表汇报。
have/has gone to
eg. He has gone to Kunming and he will be back tomorrow.
去了
（已经去了某地，还没回来）
去而未归
have/has been to
eg. I have been to Cuba three times.
have/has been in
eg. She has been in Beijing for many years.
到过
（曾经到过某地，已经回来）
去而已归
已经在
（在某地一段时间）
通常与for+时间段连用
Challenge4
1. ---____you ever ____to the Great Wall
---Yes, three times.
A. Has; been
B. Have; been
C. Have; gone
D. Have; go
去而已归
Challenge 4
1. —May I speak to Mr. Lee
—Sorry, he ____ Harbin. He ____ the city for two days.
A. has been to; has been in
B. has been in; has been to
C. has gone to; has been in
D.has gone to; has been to
去而未归
01
02
03
04
05
Sum-up
定义：
结构：
标志词：
过去分词的构成：
辨析have/has been to；
重要考点：
have/has been in；
have/has gone to
①表示动作发生在过去，并对现在造成的影响和结果。
②表示动作发生在过去，一直延续到现在并有可能
一直持续下去。
主语+助动词（have/has)+done+其他.
by+时间
since+时间点
for+时间段
规则动词：
不规则动词：分类记忆
副词类
短语类
次数
直、去、双、改
06
解题技巧
找、定、想、选
Where there is a will, there is a way.
有志者，事竟成
Goodbye
