江苏省宜兴市汇文中学八年级英语下册 Unit 3 Online tours Grammar课件 （新版）牛津版.ppt

grammar unit3onlinetours lookatthefollowingsentences 1 onesundaymorning millieandamywenttosunshinepark 七下u5 2 ittookusabouttwohourstogettherebybus 八上u3 3 heoncetriedtoputinabrighterlightinhisbedroom buthemadeamistake 八上u4 4 whenshewas20monthsold shelearnttolookafterherself 八上u5 5 didyouhearaboutthefireataschoolintheuklastweek 八上u8 6 heputawetblanketovermrssunandhelpedherout 七下u7 7 haveyouusedthisbefore eddie p34 8 look thisprogrammebegananhourago p34 9 haveyounoticedthe tour iconatthetopofthepage p36 10 ithasbeenfamousforitstheatressincetheearlytwentiethcentury p37 fillintheblanks 1 onesundaymorning millieandamy tosunshinepark 2 it usabouttwohourstogettherebybus 3 heonce toputinabrighterlightinhisbedroom buthe amistake 4 whenshe 20monthsold she tolookafterherself 5 youhearaboutthefireataschoolintheuklastweek went took tried made was learnt did go ready 6 he awetblanketovermrssunand herout 7 you thisbefore eddie 8 look thisprogramme anhourago 9 you the tour iconatthetopofthepage 10 it famousforitstheatressincetheearlytwentiethcentury put helped haveused began havenoticed hasbeen 1 whathappenedtodickyesterday he offhisbikeonthewaytotheschool a fellb isfallingc wasfallingd hasfallen2 i mysistersixtimestillnowbutherlinewasalwaysbusy a hadphonedb wasphoningc havephonedd havebeenphoning weusethesimplepasttensetotellwhathappenedinthepast danielwenttobeijingtwoyearsago weusethepresentperfecttensetotalkaboutanactionthatstartedinthepastandcontinuestothepresent danielhaslivedinbeijingfortwoyears weusethesimplepasttensetotellwhathappenedinthepast danielboughtanewcomputerlastmonth weusethepresentperfecttensetotalkabouttheresultofanaction whentheactionhappenedisnotveryimportant danielhasboughtanewcomputer hehasacomputernow weusethesimplepasttensetotellwhathappenedinthepast hevisitedcanadain2010and2011 weusethepresentperfecttensetotellhowmanytimesanactionhashappenedtillnow hehasbeentocanadatwice 一 构成不同theylivedherein2011 他们2011年住在这里 wehavelivedhereforthreeyears 我们已经在这里住了3年了 一般过去时 主语 谓语动词的过去式现在完成时 have has v ed 现在完成时与一般过去时的区别 hevisitedguilinin1998 他1998年参观过桂林 shealwaysswamintheseawhenshelivedinqingdao 她住在青岛的时候 总是去海里游泳 jillhasboughtanewcomputer 吉尔买了一台新电脑 ihavehadmylunch 我已经吃了午餐 二 用法不同 一般过去时表示过去某个时间发生的事 存在的状态或经常发生的动作 说话的侧重点只在于陈述一件过去的事情 不强调对 现在 产生的影响 现在完成时表示的动作或状态与现在的情况有联系 侧重这一动作对现在所造成的影响 hehasreadthatbook 说明他现在知道那本书的内容 hereadthatbooklastyear 只说明他去年读过那本书 hehasgonetoamerica 他现在不在此地 到美国去了 hewenttoamerica 只说明他去过美国 三 时间状语不同 didyouwatchthatfilmlastweek 你上周看那部电影了吗 shecamebackyesterday 她是昨天回来的 hisfatherhasbeenateachersince1968 他父亲从1968年以来一直当老师 haveyoueverbeentolondon no ihaveneverbeenthere 你曾经去过伦敦吗 没有 以前从没去过 一般过去时通常与表示过去的具体的时间状语连用 如 yesterday lastweek twoyearsago justnow in2002等 而现在完成时则常与表示不确切的时间副词连用 如already yet ever never just since for等 i visit thepalacemuseumwithmygrandparentstheotherday i climb mounthuanglastsummer visited climbed completethesentenceswiththecorrectformsofthewordsinbrackets p41a iamhappythati learn toswim youever try thefamoustianjinbaozi havetried havelearnt i finish just myhomework millie finish herhomework20minutesago 2 i write anemailtomyfriendyesterday daniel write already twoemails havejustfinished finished wrote hasalreadywritten completethesentenceswiththecorrectformsofthewordsinbrackets p41b 3 i be inhainanlastmonth someofourclassmates notbe tohainanyet 4 i live insunshinetownsinceiwasborn daniel live inn