Unit1PastandpresentGrammarPresentperfecttense1.TeachingaimsBytheendoftheclass,mystudentsshouldbeableto:1)knowledgeaimsHaveagoodcommandofthestructureandusageofpresentperfecttenseUnderstandtherulesofPastParticipleKnowsomeimportantexpressionsofadverbialoftime2)abilityaimsUsepresentperfecttenseintheirdailycommunication3)emotionaimsImprovetheirgroupconsciencebyworkingtogether2.TeachingfocusanddifficultyHaveagoodcommandofthestructureandusageofpresentperfecttense3.TeachingmethodsInductiveanddeductivemethods;explanation;communicativeapproach;task-basedlanguageteaching4.TeachingaidsSmart;pens;textbook;whiteboard5.TeachingprocessStep1.Lead-in1)Review(1)HowlonghasMrChenlivedinSunshineTown?(2)Whathasthegovernmentdonetopartofthetowncenter?(3)WhydoesMrChenthinkitisimpossibletoseehisoldfriendsasoftenasbefore?2)FindtheruleaboutpresentperfecttensefromtheirownanswersStep2.Presentation1)ComparingwithsimplepasttenseWeusethesimplepasttensetotalkaboutwhathappenedatadefinitetimeinthepast.PastpresentEddiewasbornfouryearsago.2)ThedefinitionofpresentperfecttenseWeusethepresentperfecttensetotalkaboutthingsthatstartedinthepastandstillhavesomeconnectionwiththepresent.EddiehaslivedwithMilliesincehewasborn.PastpresentEddiehaslivedwithMillieforfouryears.Pastpresent3)Findouttherule(1)Shehashelpedthechildrenwiththeirlessonsforanhour.(2)TheyhavelearntEnglishforthreeyears.(3)I/Wehavenottoldittohim.(4)Jimhasnotseenthefilmbefore.(5)Hashefinishedthehomeworkyet?Yes,hehas./No,hehasn’t.现在完成时的结构肯定：______+_______+_____否定：______+______+______一般疑问句：把________提前肯定回答：_________/否定回答________Havenot缩写成_________Hasnot缩写成___________现在完成时的构成:助动词have(has）+过去分词4)basicsentencestructuresofpresentperfecttense①陈述句肯定形式。主语+have/has+过去分词+其它e.g.Ihavehadlunch.已经吃过午饭了。HehasgonetoBeijing.他去北京了。②陈述句否定形式。主语+have/has+not+过去分词+…（在助动词have/has后+not，可缩写为haven’t/hasn’t）e.g.Ihaven’thadlunch.我还没吃午饭Hehasn’tgonetoBeijing.他还没有去北京③一般疑问句形式及其答语。Have/Has+主语＋过去分词＋…（将助动词have/has提前，句末加问号）肯定回答：Yes,主语＋have/has.否定回答：No,主语＋haven’t/hasn’t.－HashegonetoBeijing?他去过北京了吗？－Yes,hehas./No,hehasn’t.④特殊疑问句形式。（疑问词+一般疑问句）特词+have/has+主语＋过去分词＋…？e.g.Wherehashegone?他去了哪里?5)动词的过去式和过去分词的构成:Visitvisitedvisitedrepairrepairedrepairedverb＋edwatchwatchedwatchedfinishfinishedfinishedMovemovedmovedLivelivedlive以不发音的e结尾＋dLovelovedloved4yearsoldLikelikedlikedStopstoppedstoppedMopmoppedmoppedTraptrappedtrapped双写＋edplanplannedplanne注:以一个辅音字母结尾的重读闭音节词,双写最后一个辅音字母＋edstudystudiedstudiedHurryhurriedhurried去y＋ied注:以辅音字母加y结尾的词,去y＋ied.6)不规则变化过去分词的构成Typeoriginalp.tp.pAAAcostcostcostABAcomecamecomeABArunranrunABBmeetmetmetABBcatchcaughtcaughtABCspeakspokespokenABCforgetforgotforgottenABCdrinkdrankdrunkABCeatateeaten见课本第122页。Step3.Practise1)MakesentencesWhohavedonehaven’tdoneWeTheySheHeMyfathercleantheroomseeafilmcookdinnerclimbthetreegotoBeijingcleanthewindowWatchBeijingOperafinishherhomeworkclimbthehillvisittheGreatWall(1).We_________theroombutwe_________cleanedthewindow.(2)._______you________theroom?Yes,_____________you________thewindow?No,________2)ChattimeM:______you____(see)anyfil...
