八年级英语下册 Unit 3 Online tours（第4课时）课件 （新版）牛津版.ppt

8bunit3onlinetours grammar1 leaningaims 1 tounderstandsomedifferencesbetweenthesimplepasttenseandthepresentperfecttense 2 tousethesimplepasttenseandthepresentperfecttense correctly guideone 8 therearesomedifferencesbetweenthesimplepasttenseandthepresentperfecttense workouttheruledanielwenttobeijingtwoyearsago danielboughtanewcomputerlastmonth mrwuvisitedcanadain2010and2011 haveamatch whocandoitbest guidetwo 10 tolearngrammara thenfinishthefowollingexercise 点拨 1 现在完成时的肯定句主语 第一 二人称单 复数 have主语 第三人称复数 have 过去分词主语 第三人称单数 has 2 现在完成时的否定句句型主语 have has not 过去分词 3 现在完成时的一般疑问句句型have has 主语 过去分词 check 1 i inthefactoryforoveroneyear a workb workedc haveworkedd wasworking 2 you dbetterwakehimupatonce he forfourhoursalready a hasfallenasleepb hasgonetobedc hasbeenasleepd hasgonetosleep 3 didjackcometoourpartyyesterday no he a isn tinvitedb wasn tinvitedc didn tinvited hasn tinvited 4 oh thisisreallyabigshop doyouknowwhenit a builtb wasbuiltc hasbuiltd hasbeenbuilt 5 teais inthesoutheastofchina a madeb grownc producedd grew classexercise 根据句意和首字母提示 补全下列单词1 thegovernmenthastakenactionstor theairproduction2 alotofpeoplethrewwasteintothelake sothep ofthelakecausedthefishtodie 3 ir theimportanceofspokenenglish 4 theywanttogoskiingontherealice h itisahotsummer 5 mrchenhaslivedinthel islandfortenyears buthedidn tfeelunhappy classexercise 二 用所给单词的适当形式填空1 theylivedinthecountrywhentheygot marry 2 weusedto swim everydaywhenwewerechildren 3 iwon tbelieveyoutilli see thethingwithmyowneyes 4