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盆尧一中师生共用教学案
学科：英语年级：九课题：unit9 When was it invented? 第一课时P68
主备人：沈静复备人：九年级英语组上课时间: 09/11/18 审核人：
学习目标：被动语态
重难点：主动语态和被动语态的差异。
预习题：英汉互译。
1.modern inventions
2.couldn’t afford
3.in those days
4.我的一些朋友
5．私人电脑 6.上历史课
二、单项填空。
( )1．Can you tell me what _____?
A . it calls B. does it call C. is it called D. it is called
( )2.which one was _____ ,the computer or the TV?
A .early B. earliest C. earlier D. the earliest
( )3.In old days, people didn’t have many modern _______ ,like computer.
A. inventing
B. invents
C. inventions
D. inventors
( )4.I didn’t have so much money when I was young, but I_____ now.
A. doing
B. am
C. does
D. do
( )5.The telephone was invented _____ 1876.
A . in B. on C. at D. of
三、知识点汇总。
1．被动语态
（1）语态是动词的一中形式，表示句子中主语和谓语的关系，语态共有两种：主动语态和被动语态。
（2）两中语态结构对比：
主动语态：主语 + 谓语 + 宾语
（动作发出者）（及物动词）（动作承受者）
被动语态：主语 + 谓语 + （by+）宾语
（动作承受者） (be+v过去分词) （动作发出者）
Eg. People speak English .
English is spoken by people .
(3)几种常用时态的被动语态：
a.一般现在时的被动语态构成：主语+ am/is /are +v.的过去分词.
Eg. This kind of car is made in China.
Is this book written in English.
b. 一般过去时的被动语态构成：主语+ was/ were +v.的过去分词.
Eg.The trees were planted last year.
The trees
c. 一般将来时的被动语态构成：主+will/ be going to +be +v.的过去分词
eg. The child will be sent back to his parents next month.
These letters are going to be posted tomorrow morning .
d.现在完成时的被动语态构成：主+ have /has +been + v.的过去分词
eg. Those apples have been eaten up .
Has his work been finished?
e.现在进行时的被动语态构成：主+ am/is /are +being + v.的过去分词
eg. The classroom is being cleaned now.
Tow big bridge are being built in my hometown.
f. 含有情态动词的被动语态构成：主+情态动词+be +v.的过去分词
eg. Trees can be planted on the hill.
Must the work be done before Friday?
2.cover the dates. 学生A遮/盖住日期。Cover v. 用东西盖住，遮住。
cover---with--- 用----盖住
3. invent“发明，创造”，所发明的东西是原来不存在的；
discover“发现”，指发现原来就存在的东西。
Eg. They discovered a new island. The scientist has invented lots or things.
四、反馈测试题：I、选择题：
( )1.The flowers _______ every day, or they’ll die.
A must water B. can be watered C. should water D. must be watered
( )2.Many of the stars _____ because they are far away from us.
A . may not see B. cannot be seen C. mustn’t be seen D. needn’t see
( )3.Today, the forests have almost gone. People must _____ down too many trees.
A .stop to cut B.stop from cutting C.be stopped to cut D. be stopped from cutting ( )4.English _____ in Canada ,Australia and New Zealand as well as America and Britain. A. speaks B. is speaking C. is spoken D. spoke
( )5.---Did you go to Jim’s birthday party?
---No, I _____ .
A . am not invited B. wasn’t invited C. haven’t invited D. didn’t invite
II、用所给的适当形式填空。
1.The basket is____ (fill) with fresh oranges.
2.History is_____(make) by people.
3.Sixteen-year-olds should not_____ ______(allow) to drive.
4.Tomas Edision was a great ______(invent), he had more than 1,000 _____(invent) in his life.
5.--when _____this kind of computers _______(invent)?
--Two years ago.
III.将下列句子变成被动语态。
1.Some of the students spend too much time playing computer games.
Too much time _____ _______ playing computer games by some of the students. 2.Many people visited our school last week.
_____ _____ ____ _____ by many people last week.
3.Teachers allow students to put up hands in class.
Students ____ _____to put up hands ___ ___in class.
4.We use knife for cutting things.
A knife ____ _____ _____ ______things.
小结
反思
