Unit1 Topic1 Our country has developed rapidly. Section A 现在完成时课件(共25张PPT)

(共25张PPT)
现在完成时
The Present Perfect Tense
Contents目录
Tense 时态
Introduction 概述
Comparison 对比
Part I
Tense 时态
时 态
现在
过去
将来
过去将来
一般
完成
进行
完成进行
英语的16种时态
时间
状态
英语的16种时态
一般现在时 现在进行时 现在完成时 现在完成进行时
一般过去时 过去进行时 过去完成时 过去完成进行时
一般将来时 将来进行时 将来完成时 将来完成进行时
一般过去将来时 过去将来进行时 过去将来完成时 过去将来完成进行时
Part II
Introduction 概述
中文小练：判断时态
莉莉每天都会听英语广播。
爱迪生发明了灯泡。
天气预报提示明天会下雨。
那时候他正在看报纸。
她现在正在学校上课。
我已经看完了这本书。
一般现在时
一般过去时
一般将来时
过去进行时
现在进行时
现在完成时
Definition
The present perfect tense is a grammatical combination of the present tense and the perfect aspect, it is used to express a past event that has present consequences.
(After a long holiday, Kangkang is happy to see his friends.)
Kangkang: Hi, Jane! Did you have a good summer holiday
Jane: Yes. What about you
Kangkang: Not bad. Rita, you have just come back from your hometown. How was your trip
Rita: Great! I went to many places near my home in India. Great changes have taken place there and my hometown has become more and more beautiful. Where have you been, Jane
Jane: I have been to Mount Huang with my parents. It’s a beautiful place. But there were so many people that I couldn’t find a good place to take photos. And where have you been, Kangkang
Kangkang: I have been to an English summer school to improve my English. By the way, where’s Maria
Rita: She has gone to Cuba to be a volunteer and she will be back tomorrow. Listen! There goes the bell.
找一找
Eyes of wisdom
找出下列对话中出现的各种时态
找一找
Eyes of wisdom
找出下列对话中出现的各种时态
(After a long holiday, Kangkang is happy to see his friends.)
Kangkang: Hi, Jane! Did you have a good summer holiday
Jane: Yes. What about you
Kangkang: Not bad. Rita, you have just come back from your hometown. How was your trip
Rita: Great! I went to many places near my home in India. Great changes have taken place there and my hometown has become more and more beautiful. Where have you been, Jane
Jane: I have been to Mount Huang with my parents. It’s a beautiful place. But there were so many people that I couldn’t find a good place to take photos. And where have you been, Kangkang
Kangkang: I have been to an English summer school to improve my English. By the way, where’s Maria
Rita: She has gone to Cuba to be a volunteer and she will be back tomorrow. Listen! There goes the bell.
一般现在时
一般过去时
一般将来时
现在完成时
肯定句：主语+have/has+过去分词.
否定句：主语+have/has+not+过去分词.
疑问句：Have/Has+主语+过去分词
I have finished my homework already.
I haven’t finished my homework yet.
Have you finished your homework yet
Forms
Tina __________(do) her homework already.
He __________(not read) this essay yet.
__________you ever __________(be) to Beijing
We __________never __________(see) such an exciting
basketball game before.
_________you _________(decide) which book to write
about yet
has done
hasn’t read
Have
been
have
seen
Have
decided
练一练
Exercises
用所给单词的正确形式填空

1.表示一个从过去开始，一直持续到现在的动作。
Past
Present
I have lived in Beijing for three years.
Uses
2.表示过去发生的，和现在仍有关系的动作。
past
present
Tom has eaten my food.
Tom ate the food and now I have nothing to eat.
I have already lost the key.
（我现在没有钥匙）
I haven’t read that book yet .
（不了解书的内容）
She has just cleaned her hands.
（手是干净的）
I have already finished my homework.
(I can do other things.)
We have not seen the film yet.
(We will see the film someday.)
3.谈论动作已经发生了很多次。
e.g. I have already read this book many times.
Signal words
already
yet
before
ever
for
just
once
since
(1) Have you seen that movie __________
A. yet B. already
(2) They have known each other since __________.
A. six years B. 1996
(3) I’ve been interested in Chinese for __________.
A. a long time B. three years ago
练一练
Exercises
根据句子内容，选择正确的答案
Part III
Comparison 对比
A: What did you do after school yesterday？
B: I went to the library and played basketball.
一般过去时
现在完成时
小组讨论
Group discussion
通过所学知识，并观察对话，比较一般过去时和现在完成时的区别
A: Have you finished your homework yet
B: Yes, I have. I have finished all my homework already.
对比：一般过去时和现在完成时
The simple past tense The present perfect tense
Form Subject+past tense of verb Subject+have/has+done (past participle)
Use To describe things that happened in the past To express a past event that has present consequences
Adverbial of time Yesterday, last week, ago, just now, in October, in 1992, … Already, yet, before, just, ever, once, for, since, …
Homework
家庭作业
一、练习Unit1 Topic1 1a部分的对话
二、完成相应练习题
巩固练习
Tina __________(do) her homework already.
He __________(not read) this essay yet.
__________you ever __________(be) to Beijing
We __________never __________(see) such an exciting basketball game before.
_________you _________(decide) which book to write about yet
I _____________(not hear) that news yet.
__________they __________(be) busy recently
She _________(learn) English for five years.
Lin Yu __________(take) driving lessons since last month.
Sometimes in order to see the light, you have to risk the dark.
Thank You