人教版九年级英语下册《nit9WhenwasitinventedSectionA》教案25

1、教教案九年级英语Unit9Whenwasitinvented?SectionA一、学习目标：Mastersomewords,phrasesandkeysentences.rememberandexpressinformationaboutinventionsinthePassiveVoiceByusing“When,Who,What”clause.Bylearningthisperiod,learnthehistoryofimportantinventions.Theyalsoknowthatwestudytobecreativeandloveourlife.二、学习要点：ThePassive

2、Voice.(被动语态的运用)三、课前预习。WhataretheFourGreatInventions（四大发明）inancientChina?_Whatotherinventionscanyouthinkofinourlife?_3.Doyouknowtherightordertheywereinvented四、学习研究1、Thekeysentencesinthisclass.1.Whenwasitinvented?(咨询发明时间)2.Whowasitinventedby?（咨询发明人物）3.Whatisitusedfor?（咨询用途）2、Grammar.（各样时态的被动语态）1.一般此刻时

3、态:am,is,are+过去分词2.一般过去时态:was,were+过去分词用适合形式填空1.Englishisallovertheworld.(speak)2.ThecupbyDavidyesterday.(break)3.ItoLindasbirthdayparty.(notinvite)4.Thestarscant(see)intheday.5.Thebookstoschooltomorrowmorning.(bring)五、稳固提升把以下句子变为被动句。1、TheyspeakEnglishinCanada._2、Peopleusedwoodformakingtables._3、They

4、havegrownriceinSouthChina._Wemustplantmoretreesnextyear._Iwillcleanourclassroomtomorrow._Exercise1.-Excuseme,ImlookingBefortheBestOfYourself.-Sorry,thebookyouaskfor_out.(2013中考)A.issellingB.issoldC.wassellingD.willbesold2.HaveyouheardofEarthDay?_Yes.ThefirstEarthDay_in1970toeducateustoprotectourplan

5、et.(2012中考)六、拓展延长1、其余各样时态的被动语态1.一般未来时态:will/am.is.aregoingto+be+过去分词2.此刻达成时态:have,has+been+过去分词3.过去达成时态:had+been+过去分词4.此刻进行时态:am,is,are+being+过去分词5.过去进行时态：was,were+being+过去分词6.含神态动词的：神态动词+be+过去分词2、常用于被动语态的短语：Of由制成bemadefrom由制成into被制成beusedtodosth.被用来做beusedfordoingsth.用来做beusedas被用作3.befilledwith由填满becoveredwith由覆盖七、Homework1、用今日所学句型，表达出你喜爱的一项发明。_2.假定学校英语广播站向全校学生进行以“Iwanttoinvent”为题的征文活动，请你写一篇英语短文参加此次活动，说说你此刻最想发明什么并说