八年级英语下册 Unit 1 Past and present grammar教案 （新版）牛津版-（新版）牛津版初中八年级下册英语教案VIP专享VIP免费

Unit1PastandpresentGrammarI.TeachingaimsandlearningobjectivesBytheendofthelesson,studentsshouldbeableto:1.usethepresentperfecttensetomakepositivestatements;2.usethepresentperfecttensetomakenegativestatements;3.usethepresentperfecttensetoaskandanswerquestions;4.formthepastparticiplesofregularandirregularverbs.II.TeachingcontentsNewwordsandphrases:yet,recently,past,overthepastcenturyIII.Focusofthelessonandpredictedareaofdifficulty1.Tousethepresentperfecttensecorrectly.2.Toformthepastparticiplesofregularandirregularverbs.IV.TeachingproceduresStep1Lead-inFreetalkT:WhatdoyouknowaboutMrChenandSunshineTown?【设计意图：通过口头交流，考察学生对Reading板块的掌握程度，同时引出本课时的学习内容。】Step2Presentation1.Structureofthepresentperfecttensesb.+have/has+done2.Whentousethepresentperfecttense(1)Weusethepresentperfecttensetotalkaboutanactionthatstartedinthepastandcontinuestothepresent.(2)Weusethepresentperfecttensetotalkaboutanactionthathappenedinthepastandhasaconnectionwiththepresent.(3)Wealsousethepresentperfecttensetotalkabouthowmanytimesanactionhashappenedtillnow.3.MatchingexerciseT:Herearesixsentencesinthepresentperfecttense.Matchthereasonsforusingthetenseontherightwiththesentences.4.Workouttherule(1)Presentsomepositivestatementsinthepresentperfecttenseandaskstudentstoworkouttherule.Hehasjustgonehome.Shehasalreadyhadaholidaythisyear.Ithasbroken!IhaveseenmynewEnglishteacher.Theyhaveboughtanewcar.Youhavefinishedtheexercise.Wehaveseenthisfilmbefore.◆Weuse“have+done”withpronounslike_____,_____,_____and_____.◆Weuse“has+done”withpronounslike_____,_____and_____.(2)Presentsomenegativestatementsinthepresentperfecttenseandaskstudentstoworkouttherule.sb.+haven’t/havenot+donehasn’t/hasnot(3)PresentsomeYes/Noquestionsinthepresentperfecttenseandaskstudentstoworkouttherule.Have/Has+sb.+done(4)PresentsomeWh-questionsinthepresentperfecttenseandaskstudentstoworkouttherule.Wh-words+have/has+sb.+done4.TimeexpressionsT:Wecanusethesetimeexpressionswiththepresentperfecttense:already,yet,ever,never,just,recently,sinceandfor.T:Completethefollowingpassagesandsentenceswiththecorrectformsoftheverbsinthebrackets.Payattentiontothetimeexpressions.5.PairworkT:Workinpairsandtalkaboutrecentactivities.Usetheconversationonthescreenasamodel.6.CompetitionT:Formthepastparticiplesofthefollowingverbs.Let’sseewhichteamisthefastest.T:Trytoworkouttheruleofformingthepastparticiplesofregularverbs.Trytorememberthepastparticiplesofirregularverbs.【设计意图：让学生直观感知现在完成时，引导学生从感知过渡到理解、归纳和运用，让他们在语境中逐步理解和掌握现在完成时的结构、功能及意义。】Step3Practice1.DifferencebetweenthesimplepasttenseandthepresentperfecttenseT:Workinpairsanddiscussthedifferencebetweenthesimplepasttenseandthepresentperfecttense.T:Let’strytofinishtwoshortpassages.Pleaseunderlinethecorrectverbs.2.FinishPartC3.PairworkT:Supposeyoudidsomecleaningafterschooltoday.Workinpairsandtalkaboutwhatyourclassmateshavedone.Usethesentencepatternlikethis:Whathave/has...donetoday?4.WritingT:Let’swatchavideoaboutchangesinTianjinandthenwriteareport.Youshoulduseatleastfivesentencesinthepresentperfecttense.【设计意图：通过练习巩固本课所学的语法知识，教师可根据施教学生的实际情况补充不同形式的练习。】Step4SummaryPresentamindmapandhelpstudentstoreviewthepresentperfecttense.【设计意图：通过思维导图帮助学生回顾今天所学的现在完成时的一些要点。】V.Homework1.Reviewthepresentperfecttense.2.RememberthepastparticiplesoftheirregularverbsonPage13.