新目标九年级英语教案unit9.doc

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1、盆尧一中师生共用教学案学科：英语年级：九课题：unit9Whenwasitinvented?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.moderninventions2.couldn’tafford3.inthosedays4.我的一些朋友5．私人电脑6.上历史课二、单项填空。()1．Canyoutellmewhat_____?A.itcallsB.doesitcallC.isitcalledD.itiscalled()2.whichonewas__

2、___,thecomputerortheTV?A.earlyB.earliestC.earlierD.theearliest()3.Inolddays,peopledidn’thavemanymodern_______,likecomputer.A.inventingB.inventsC.inventionsD.inventors()4.Ididn’thavesomuchmoneywhenIwasyoung,butI_____now.A.doingB.amC.doesD.do()5.Thetelephonewasinvented_____1876.A.inB.

3、onC.atD.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.PeoplespeakEnglish.Englishisspokenbypeople.(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.ThiskindofcarismadeinChina.

4、IsthisbookwritteninEnglish.b.一般过去时的被动语态构成：主语+was/were+v.的过去分词.Eg.Thetreeswereplantedlastyear.Thetreesc.一般将来时的被动语态构成：主+will/begoingto+be+v.的过去分词eg.Thechildwillbesentbacktohisparentsnextmonth.Theselettersaregoingtobepostedtomorrowmorning.d.现在完成时的被动语态构成：主+have/has+been+v.的过去分词9eg.Those

5、appleshavebeeneatenup.Hashisworkbeenfinished?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.Theclassroomisbeingcleanednow.Towbigbridgearebeingbuiltinmyhometown.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.Treescanbeplantedonthehill.MusttheworkbedonebeforeFriday?2.coverthedates.学生A遮/盖住日期。Coverv.用

6、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.Theydiscoveredanewisland.Thescientisthasinventedlotsorthings.四、反馈测试题：I、选择题：()1.Theflowers_______everyday,orthey’lldie.AmustwaterB.canbewateredC.shouldwaterD.mustbewatered()2.Manyofthestars_____be

7、causetheyarefarawayfromus.A.maynotseeB.cannotbeseenC.mustn’tbeseenD.needn’tsee()3.Today,theforestshavealmostgone.Peoplemust_____downtoomanytrees.A.stoptocutB.stopfromcuttingC.bestoppedtocutD.bestoppedfromcutting()4.English_____inCanada,AustraliaandNewZealandaswellasAmericaandBritain

8、.A.speaksB.isspeaki