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 inventions2.couldn’t afford3.in those days4.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. inventingB. inventsC. inventionsD. inventors( )4.I didn’t have so much money when I was young, but I_____ now.A. doingB. amC. doesD. 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 treesc. 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 inviteII、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.小结反思盆尧一中师生共用教学案学科：English 年级：九课题：Unit9 when was it invented?第二课时P69-70主备人：沈静复备人：英语组上课时间：09/11 /19 审批人：学习目标：以各种发明为中心，练习被动语态的用法。
重难点：more，help+ful—helpful的用法一：预习作业 I、写出下列单词的过去式，过去分词。
1. go _____ ______2.do_____ ______3.have/has ______ ______4.eat _____ ______5.speak ______ ______6.take _______ _______7.see ______ ______ 8.invent ________ _______II. 用所给才词的适当形式填空.1.Edison was a great ______ .He had more than a thousand _______ .(invent)2.The water in the kettle is _______(heat) slowly.3.The plane ______ (use) for traveling.4.Rome______ (not build) in a day.5.Who ______ (invent) the light bulb?6.I think the ______ (help) invention is the light bulb.7.This kind of machine is used for______ (cut)二：知识汇总1.be used for doing sth.=be used to do sth.“被用来做某事”拓展：be used as “被当作----使用”，be used by “被---使用”，be used to doing sth. “习惯于做----”， used to do sth.“过去常常做----”eg. Clothes are used for keeping warm. The stick is used as a ruler.English is used by travelers and business people all over the world.I’m used to living here.I used to live there, but now I live in this city.2.help+ful—helpful “有帮助的”；care—careful；wonder—wonderful ；像这些词叫派生词，变比较级或最高级时在它们前面加more/most 。
3.more “更多的”与表示数量的词连用时more要放在数词的后面。