8BUnit1(Grammar).ppt

写出下列不规则动词的过去式和过去分词leadlearnleavelendletlielosemakemeanmeet ThePresentPerfectTense Grammar现在完成时 Weusethesimplepasttensetotalkaboutwhathappenedatadefinitetimeinthepast PastpresentEddiewasbornfouryearsago Weusethepresentperfecttensetotalkaboutthingsthatstartedinthepastandstillhavesomeconnectionwiththepresent EddiehaslivedwithMilliesincehewasborn EddiehaslivedwithMillieforfouryears present Past Past present 4years 现在完成时用法一 A 现在完成时态表示动作开始于过去某一时刻 一直延续到现在 或可能还要继续下去 e g 1 Hehaslivedheresince1978 自从1978年以来 他一直住在这儿 动作起始于1978年 一直住到现在 可能还要继续住下去 2 Ihavebeeninthearmyformorethan5years 我在部队已经呆了五年多了 动作开始于5年前 一直延续至今 有可能还要继续下去 B 现在完成时态表示动作发生在过去某一时刻并已结束 但该动作对现在产生了影响 与现在情况具有因果关系 e g 1 Hehasturnedoffthelight 他已把灯关了 动作结束于过去 但说明的是现在的情况 灯现在不亮了 2 Shehascleanedthehouse 她已经打扫了屋子 动作是过去发生的 而对现在所造成的结果是屋子干净了 现在完成时用法二 1 Wouldyouliketoeatmorechicken No thanks Ihavealreadyeatentoomuch 2 Areyouhungry Yes Ihaven thadlunchyet 3 Willyougotoseethefilmtonight No Ihaveseenitthreetimes 4 Wouldyouliketoreadthisstory Yes Ihaveneverreaditbefore 5 IsMillieinBeijing No It simpossible Ihavejustseenherinthestreet 现在完成时的构成1现在完成时的肯定句主语 I We You They have 过去分词主语 He She It has 过去分词 WehavelivedinBeijingsince1998 HehaslivedinBeijingsince1998 2现在完成时的否定句句型主语 have has not 过去分词Ihaven tseenthemovieyet Hehasn tvisitedBeijingsincethen 过去分词的构成 一 规则变化 1 直接加 edlookedwatched2 以不发音的e结尾的 加 dchangedmoved3 以辅音字母加y结尾的 变y为i 加 edstudiedcarried4 双写末字母 加 edplanneddroppedstopped 二 不规则变化 见课本第121页 Thetablebelowshowshowweformthepastparticlesofsomeverbs 3现在完成时的一般疑问句句型Have Has 主语 过去分词 Haveyoufinishedthework Hasshearrivedhere 4现在完成时的特殊疑问句句型特殊疑问词 have has 主语 过去分词 Hehasbeenheresincehewas2yearsold MakingsentencesMr Wuasksthestudentstocompletethesentencesbelowusingthepresentperfecttense Helpthemcompletethesentences They finish theirhomework Mr AndMrs Li notcome backyet John play thiscomputergamesafewtimes We notsee thatfilmyetI repair overtenbicyclessincelastMonday You notvisit meforalongtime havefinished havenotcome hasplayed havenotseen haverepaired havenotvisited 写出下列不规则动词的过去式和过去分词 payputreadrideringriserunsayseesell 常用标志 sincehecameheresince2yearsago since2009 for2yearsin over duringthepast last 10yearssofar bynowintherecentyears recently 常用标志 already yetjustevernever beforeAfewtimes twice howmanytimes 实力测验用括号中动词的适当形式填空He wait foranhour I notfinish theworkyet you know himsincethen I hear frommyfatherrecently We be theremanytimesinthepast3years Theman travel tomanycountriessince3yearsago They finish theworksofar Howlongyou stay athome I notread thebookbefore Hejust do it Mysister walk toschooleverydaylastyear We have anexamagainsometimenextweek Bynow we plant 2000trees Lucy go toShanghai She leave thismorning haswaited haven tfinished Have known haveheard havebeen hastravelled havefinished have stayed haven tread has done walked willhave haveplanted hasgone left I do myhomeworkalready He notfinished hishomeworkyet youever be toBeijing We never see suchanexcitingmatchbefore Mother just clean thehouse Pleasedon tcomein They read manybooksrecently havedone hasnotfinished Have been have seen has cleaned haveread 用since for already yet ever never just填空1 Idon tknowanythingaboutQingdao Ihave beentherebefore Hasyoumum seenJackyChan No thisisherfirsttime Hehasn tfinishedhishomework Howlonghaveyoulivedhere Iwasborn Ihave hadabowlofnoodles Iamveryfullnow Haveyoukeptthebook alongtime Yes I llreturnitsoon 7 Shehaspassedthegames Howcleversheis never ever yet Since just for already 注意 当在肯定陈述句中含有already或just时 在转换成否定句或疑问句时 要把句中的already或just去掉 在句末加上yet Ihaven tseenthefilmyet Ihavedonemyhomeworkalready Ihaven tdonemyhomeworkyet Motherhasjustcleanedthehouse Motherhasn tcleanedthehouseyet Ihaveseenthefilmalready 现在完成时和一般过去时的区别 现在完成时 强调这一动作产生的结果对现在的影响 与现在有关 一般过去时 仅仅表示在过去某一时刻曾发生过这一动作 与现在无关 他已学英语五年了 HehasstudiedEnglishforfiveyears 他曾学过五年英语 HestudiedEnglishforfiveyears 说明他还继续学下去 只说明他过去学过五年英语 但现在不学了 一般过去时与现在完成时有一些明显的时间状语 遇到yesterday lastyear inMay in 过去某一年 twodaysago inthepast justnow等就用一般过去时 当有sofar inthepast lastfewdays sincetwodaysago fortwodays等常用现在完成时 看看以下句子 有什么区别 A Haveyouseenthefilm B Yes IsawitattheBrightCinema 说明 A 句强调的是被问者对剧情是否了解 B 句强调的是看电影的地点 与现在无关 A Haveyouhadlunch B Yes Ihaditat12 00 1 Mybrother toHainanlastweek Hethoughttakingthetraintakestoomuchtime 2 Somevisitors ourschoolsometimeinaweek 3 IknowsomethingaboutQingdaobecauseI therebefore 4 I abookwhenthelightinmyroomwentoutlastnight 5 Canyoulendmeyourdictionarynow Sorry I it Youmayborrowitlater 6 OK IwillwritetoyouassoonasI there bereadflygetvisituse 用动词的适当形式填空 riseagreebepreparedoAtthebeginningofthetwentiethcentury theworld spopulation 1 7billion Haveyoufinishedyourhomework Lucy Notyet Mum I itrightnow Hi Lily Ididn tseeyouattheparty Oh I forthehistoryexam 4 What sthenewsinthenewspaper Lookatthereport Iamsurprisedtofindthatthepriceofbread by15 inthelastthreemonths Themanageraswellastheworkers totakeabustoworkeverydayatthemeeting staymaketakesweepaffect影响Noneofus partinthesportsmeetingbecausewehadaclasstrip Weallknowthatsmoking ourhealth HasZhouBichangfinishedhernewCD No She itthewholeafternoonyesterday I athomeandsleepalldayifthereisnoschooltomorrow 5 Whatacleanfloor Who thefloor 1 A you thefootballmatchyesterday B Yes Idid Itwasgreat A Did seeB Have seenC Will seeD Were seen 2 A Whynotgotoseethedolphinshowwithme B No let sgohome BecauseI ittwice A sawB willseeC seeD haveseen 3 A youathomeyesterdayevening B Yes I withmymother A Were wereB Was wasC Were wasD Was were A D C 4 EveryoneexceptTomandJane therewhe