人教版九年级英语第六单元第六课时课件.pptx

Unit6Whenwasitinvented?Period6SectionB3a-selfcheck学习目标：1,复习整个单元的单词、短语、重点句型及语法要点2,结合本单元的主要语言结构进行写作练习，提升英语写作能力3,完成导学案过关检测大声读出下列短语v1、thestyleof2.suchagreatinventionv3.beusedfor4,byaccidentv5,thinkof/about6,fallintov7,inourdailylife8,sometimev9,thesaintoftea10,lessthanv11,takeplace12,inthe19thcenturyv13,thepopularity14,withoutdoubtv15,atalowprice16,translateintov17,allofsudden18,bymistakev19,divideinto20,stopfromdoingv19,divideinto20,stopfromdoingv21,dreamof22,notonlybutalsov23,lookupto24,achieveonesdreamsv25,takenotes26,beusedtodosth.v27,leadto28,decideonv29,usesomeoneelsesidea根据句意及首字母提示完成单词。

根据句意及首字母提示完成单词v1.Thesepeopleweredividedintotwogroupsaccordingtotheirages.v2.Look,afewpearsremainonthetrees.Letspickthem.v3.Itssaidthatthepotatochipswereinventedbymistake.v4.Thehotweathermadethemilksour.v5.Mygrandparentsoftengoesshoppingwithabasket(篮子篮子).一般过去时态的被动形式一般过去时态的被动形式:注意：这里注意：这里be的形式决定了被动语态的时的形式决定了被动语态的时态，其后的过去分词没有变化态，其后的过去分词没有变化肯定句肯定句主语主语+waswere+过去分词过去分词+(by)否定句否定句主语主语+waswerenot+过去分词过去分词+(by)一般疑问句一般疑问句waswere+主语主语+过去分词过去分词+(by)?特殊疑问句特殊疑问句疑问词疑问词+waswere+主语主语+过去分词过去分词+(by)?时态时态肯定形式肯定形式 否定形式否定形式疑问形式疑问形式一般一般过去过去时时S+was/were+doneS+was/were+not+doneWas/Were+S+done?Mariaboughtthebooklastyear.(主动句主动句)ThebookwasboughtbyMarialastyear.WhenwasthebookboughtbyMaria?WhatwasboughtbyMarialastyear?被动句：被动句：总结：各种句型的主动语态变为被动语态总结：各种句型的主动语态变为被动语态Writingexamples:vMyfavoriteinvention(laptop)思路点拔v开门见山,引出观点-myfavoritev说明手提电脑的特点-lightandsmall,easytocarry,veryuseful,getthelatestinformation,keepintouchwith,mailandchatv总结上文,展望前景-mostuseful,inthefuture,everyonewillhavehisorherlaptop经典范文Laptopswereinventedmanyyearsago.Theyaremyfavoriteinvention.Laptopsarelightandsmall.Theyareeasytocarry.Withalaptopwecanwork,studyandentertainatanytime.Laptopsmakeusgetthelatestinformationwhereverwego.Theyarealsousedforkeepingtouchwithourbestfriendsandfamilies.Especially,theyarealsousedformailingandchattinganywhereandanytime.Ithinklaptopsarethemostusefulinvention.Inthefuture,Ithinkeveryonewillhavehisorherownlaptop.3avThinkofsomethingthatyoudonotlikedoing.Thenthinkofaninventionthatcouldhelpyou.Makenotes.vProblem:quicklytakingnotesinclassvNewinvention:aspecialpenvWhatitisusedfor:ItcanlistentothewriterandwritebyitselfvPrice:$50TalkaboutitvA:ThisspecialpenwasinventedbyZhengJie.IthasthreecolorsanditisusedforlearningEnglish.vB:Howisitspecial?vA:Whentheredcoloristurnedon,thepenreadsoutEnglishasitismovedvalongtheline.vB:Whatabouttheblackcolor?vA:Whentheblackcoloristurnedon,thepenfindsoutthestructureofthesentencesvasitismovedalongtheline.vB:Whatabouttheyellowcolor?vA:Whentheyellowcoloristurnedon,thepenshowstheformationandmeaningofvthewordasitismovedalongtheline.vB:Wonderful!WherecanIgetone?vA:Iamtheshopownersellingthiskindofpen.3bvImagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.YourtimetowritevThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor。