初中英语现在完成时和一般过去时课件.ppt

现在完成时与一般过去时的比较thepresentperfecttense thesimplepasttense 概念 一般过去时表示在过去某个时间发生的动词或存在的状态 也表示过去经常或反复发生的动作 e g Hecamehereyesterday 现在完成时表示过去的动作 或状态 对现在产生的影响和结果e g Hehasbrokenhisbottle 一般过去时和现在完成时的区别 1 构成不同TomwenttoLondonlastyear LilyhasbeentoLondontwice 一般过去时的谓语动词用过去式 现在完成时的谓语用 助动词have has 过去分词 一般过去时和现在完成时的区别 一般过去时和现在完成时的区别 现在完成时是表示过去的动作与现在的联系 主要说明的是现在的情况和状态 而一般过去时则强调动作发生在过去某一时间 与现在不发生联系 e g Wehaven tseenhimsincelastyear 我们自从去年以来一直未见到他 现在还未见到 Wedidn tseehimlastyear 我们去年没见到他 现在不一定未见到 Whohasopenedthedoor 谁把门开了 现在门还开着 Whoopenedthedoor 谁开的门 指过去 与现在无关 现在门是关着还是开着 没有说明 Haveyouhadyourlunch 你吃过午饭没有 意即你现在不饿吗 Yes Ihave 吃了 意即我现在饱了 不要再吃了 Whendidyouhaveit 你什么时候吃的 说话人感兴趣的是 吃 这一动作发生在时 2 用法不同Ihadsupperanhourago 我一小时前吃的晚饭 表示过去的动作 Ihavejusthadsupper 我刚刚吃过晚饭 强调对现在的影响 我不饿 Hewasateacherthen 他那时是个教师 表示过去的状态 Hehasbeenateachersincethen 他从那时起一直当教师 他现在还是教师 一般过去时的时间状语 yesterday once lastweek ago in1980 inOctober justnow等具体的时间状语 现在完成时的时间状语 for since sofar ever never just yet till uptonow always等不确定的时间状语 一般过去时常与具体的时间状语连用 现在完成时常与模糊的时间状语连用 或无时间状语 Makeupsentences please golastyear eatthismorning leaveyesterday giveamomentago ridejustnow writelastnight catchwhenIwasonly10 makeamistakethedaybeforeyesterday paythenextmorning sweepafterclass LastSunday Correctthepassage LastSunday Tedandhisfatherareathome Theymovdtoanewhouse Hisfatherwanttedtoputthebooksinsomeboxes buthecan tfindanyboxes Tedtelledhimtheboxeswasinthenextroom Thenheboughttheseboxestohisfather moved wanted couldn t told were brought were Exercisesforthepresentperfecttense 7 IsTomdoinghishomework No he hishomeworkalready finish 8 DoyouknowMissKing No butI herbefore hearof 9 Whataboutthefilm Sorry Idon tknow I ityet see 10 youever totheGreatWall No never go 11 Howdoeshegetonwithhisclassmate Oh he alotthesedays change 12 Helpyourself please No thanks I mfull I just threeeggs eat already hasfinished before havehearedof yet haven tseen ever never Have been thesedays haschanged just have eaten Choosetherightanswer please 1 HowlonghasMrTurnerworkedinthisschool A 30years B Sinceitwasopen C 5years 2 Whatmonthisitnow A October B November C December 3 Who sillinhospital A Kate B MrWu C Linda 4 Howlonghasthemanbeenhere A Oneyear B halfayear C Threemonths 5 Whatistheteacherdoing A Talkingtoaparent B givingamathslesson C Playingbasketball C B C B A 练习 1 Ihaveseenthefilm Titanic already When you it A have seenB willseeC did seeD did seen2 Mr Black inChinasincefiveyearsago A livedB haslivedC livesD isgoingtolive 3 UncleWang mend theTVyet Yes he When he it Yesterday 4 I see thefilm ChickenRun Whereandwhen you see it Lastweek 5 you see thefilmlastnight No I see itforseveraltimes 6 you return thebooktothelibrary Notyet ButI return itthisafternoon 7 IsTomdoinghishomework No he hishomeworkalready finish 8 DoyouknowMissKing No butI herbefore hearof 9 Whataboutthefilm Sorry Idon tknow I ityet see 10 youever totheGreatWall No never go 11 Howdoeshegetonwithhisclassmate Oh he alotthesedays change 12 Helpyourself please No thanks I mfull I just threeeggs eat 练习 Furtherexercises 1 Iambusytheseday I notgo tothecinemaforweeks 2 Theboyishappybecausehe sell outallthenewspapers 3 They live inShanghaisince1991 4 Greatchanges takeplace inourcountrysince1949 5 MissJane teach uslastyear She teach inourschoolfor4years 6 She already do herhomework She do ityesterdayevening 7 youever toLondon Yes Ihave When you go there Lastyear 8 Who take mydictionaryaway Ican tfinditeverywhere 9 It tenyearssinceI leave china 10 A