8B Unit1 Past and present
第4课时Grammar
【教学目标】
1.学习四会单词和重点短语。
2.掌握动词过去分词的构成已经现在完成时的初步概念和用法。
【预学检测】
一、翻译下列句子 [来源:Zxxk.Com]
1、 自从1998年以来，他就住在这里。
______________________________________________________________________
2、 我已经学习英语3年了。_____________________________________________
3、 他们已经访问了10个城市。__________________________________________
4、 她已经回答了问题了吗？_____________________________________________
二、预习现在完成时的结构
（1）现在完成时的肯定句___________________________________________
（2）现在完成时的否定句_________________________________________
（3）现在完成时的
一般疑问句______________________________________
【知识点拨】
1. 现在完成时
a. 概念：1.表示过去发生的动作对现在造成的影响或结果[来源:学|科|网Z|X|X|K]
2.表示过去的动作或状态持续到现在
b．基本结构：主语+have/has +动词的过去分词
c. 基本句型：见书本(P12)
d．现在完成时的时间表达词及用法
1. already 肯定句，表示已经发生的事 2. ever 疑问句，表示 “曾经”[来源:Zxxk.Com]
3. for 肯定句/否定句/疑问句, 表示一段时间 4. just 肯定句，表示 “刚刚”
5. never 否定句，表示 “从不” 6. since肯定句/否定句/疑问句, 表示 “自……以来”
7. yet疑问句/否定句，表示 “还没有”
8. recently肯定句/否定句/疑问句, 表示 “最近”
2.动词过去分词的变化规律：见书本(P13)
【当堂训练】
一、写出下列动词的过去分词形式
1.visit __________2.live___________ 3.repair____________ 4.finish ___________ [来源:学#科#网Z#X#X#K]
5.move__________ 6.watch_________ 7.travel____________ 8.come___________ [来源:学科网ZXXK]
9.see_____________ 10.be__________ 11.give____________ 12.write___________
13.make___________14.put__________15.read____________16.listen___________
二、用所给动词的适当形式填空
1.He ___________________ (not finish) the homework yet. He will try to finish it quickly.
2.My family __________________ (live) in Nanjing since 1996.
3. ________ you __________________ (know) him since then?
4.They ________ already _________________ (decide) to go to Kunming for the holiday.
5.We ______________________ (move) to the new flat since last month.
6.The girl ___________________ (learn) English for about two years.
7. My father went to Beijing two weeks ago. I _______________(not see) him since then.
8.________ Tom _____________________ (write) letters to you recently?
9.Jack’s mother isn’t at home. She _________________ (go) to t
he supermarket.
10.The film __________________ (be) on for about 20 minutes. We missed the beginning.
三、单项选择。
( )1. ---Have you_______ read the poem If ? --- Yes. I really enjoy it.
A. still B. ever 
C. yet D. never
( )2. --- Is this the place that you_______? --- No. I've never been there before.
A. have visited B. will visit C. are visiting D. visit
( )3. --- Hi, I_______ you for a long time!
---I _______ in Beijing. I've just come back.
A. have seen; am B. haven't seen; shall be
C. didn't see; will be D. haven't seen; was
( )4. ---_______ you_______ your drawing?
---Not yet! It will be done in a few minutes.
A. Did; finish B. Will; finish C. Do; finish D. Have; finished
( )5. Have you heard_______ the exam?
A. with B. for C. about D. on
四、完成句子
1.我们的城市这几年变化很大。
Our city has ______ ______ ______ these years.
2.昨天我们对他进行了一次采访。
We ______ ______ ______ with him yesterday.
3.我刚刚看过这部电影。 I ______ ______ ______ the film.
4.自从1990年以来，她就在这所学校教英语。
She ______ ______ English in this school ______ 1990.
5.你已经打过电话给格林先生了吗？ ______ you ______ Mr. Green ______?
【课后巩固】 [来源:学。科。网Z。X。X。K]
一、用所给动词的适当时态填空
1.---__________you _____________(see) the film before?
----Yes, I _____________.
----Where ___________ you ____________(see) it? [来源:学科网ZXXK]
----At Guangming Cinema.
2.I _________(lend) her some CDs 3 days ago, but she ______________(not give) them back to me yet.
3.---How many times _________you___________(be) to the Great Wall? ---Only once.
---When ____________you ____________(visit) it? ---Last year.
二、根据句意和汉语提示完成单词
1.Mr Jiang has moved to another city ________________(已经).
2.My sister has ______________(刚刚) bought a computer.
3.We haven’t known each other _______________(以前).
4.We have been friends ________________(自从)two year ago.
5.Have you heard from your friend ______________(最近)？
6.I haven’t read the book_______________（还）
7.Have you ______________(曾经) seen the picture?
8.You have _______________(从未) seen Mr Ding, have you?
三、背默重点句子
1、我自从出生，一直住在这里。
___________________________________________________________________________
2、Eddie已经吃了Hobo的食物。
___________________________________________________________________________
3、我已经读这本书好多次了。
___________________________________________________________________________
4、我的父母已经回来了。
___________________________________________________________________________
5、 你最近看电影了吗？
___________________________________________________________________________
