现在完成时优质课件全.ppt

Grammar Thepresentperfect ByMsYuan Travellingisfunforme Ihavebeento theForbiddenCity theGreatwall Ihavevisited theTempleofHeaven theSummerPalace Tian anmenSquare IhavestayedinBeijingfor2weeks IhavebeentotheGreatwallandtheForbiddenCity IhavevisitedtheSummerPalaceandtheTempleofHeaven IhavestayedinBeijingfor2weeks Thepresentperfect Readandlearn I velearnttousechopsticks It sbeenafantasticexperiencesofar I velearntabitoft aichi We vealreadylearntalotaboutChinesecultureandhistory TheteachershaveintroducedustoChinesepaintingaswell We vealsotriedtopaintsomepicturesourselves Ihaven thadmuchsuccessyet I vemademanynewfriends learn learnt learned learnt learned be was were been introduce introduced try tried have has had had make made made I tousechopsticks andthey reteachingmealittleChinese 2 It afantasticexperiencesofar 3 We alotaboutChinesecultureandhistory 4 Theteachers ustoChinesepaintingaswell 5 We topaintsomepicturesourselves 6 I muchsuccessyet butI llkeeptrying 7 I manynewfriends velearnt sbeen vealreadylearnt haveintroduced vealsotried haven thad vemade go Ready ToCompare Shedidhomeworkyesterday shedoesn tneedtodoherhomeworknow Shehasalreadydoneherhomework do does did done Shehadherbreakfastjustnow 她刚才吃了早饭 Sheisnothungrynow 她现在不饿 Shehasjusthadherbreakfast 她刚吃过早饭 ToCompare have has had had ToCompare Theelephanthelpedmealotamomentago Icandrivemycarnow Theelephanthasjusthelpedmealot help helped Ididn tsinganEnglishsonginthesingingcompetitionlastweek Istillrememberthethingnow Ihaven tsunganEnglishsonginthesingingcompetitionyet ToCompare sing sang sung Webegantostudyherelastyear Westillstudyherenow Wehavestudiedhereformorethanoneyear study studied Hebegantobeinterestedinplayingcomputergameswhenhewasborn Heisstillinterestedinitnow Hehasbeeninterestedinplayingcomputergamessincehewasborn be was were been 1 Shehasalreadydoneherhomework 2 Shehasjusthadherbreakfast 3 Theelephanthasjusthelpedmealot 4 Ihaven tsunganEnglishsonginthesingingcompetitionyet 定义一 过去完成的动作对现在造成的影响或结果 5 Wehavestudiedhereformorethanoneyear 6 Hehasbeeninterestedinplayingcomputergamessincehewasborn 定义二 过去开始的动作一直持续到现在或有可能继续下去 现在完成时态的结构 already 已经 肯中yet 已经 问否尾just 刚刚 肯中ever 曾经 问中never 从不 常与for since引导的时间短语或从句连用 for 时间段since 过去时间since 过去句子 肯定have has done否定have hasnot done Past Now Future 完成 影响 already 已经 肯中yet 还 问否尾just 刚刚 肯中ever 曾经 问中never 从不 开始 持续至今 持续到将来 for 时间段since 过去时间since 过去句子 定义一 过去完成的动作对现在造成的影响或结果 定义二 过去开始的动作一直持续到现在或有可能继续下去 havemet haveplayed hascooked havestudied haveseen haven tvisited haven tdone 用法小窍门 描述过去的动作 若句中有yesterday lastweek threedaysago in1996等过去时间就一定用一般过去时 若没有常用现在完成时 所以When问句不能用现在完成时 A Haveyoufinishedyourhomeworkyet B Yes Ihave A Whendidyoufinishit B Yesterdayevening FurtherUnderstanding代言词 Let sreadthem IhaveseenAvatar Shehasalreadywritten3books Ihaven tseenthemovieyet Haveyoueverseenasignlikethis Ihaveneverseenakangaroo HowlonghaveyoustudiedinHuangguangMiddleSchoolGuangzhouBranch 肯定句 否定句 一般疑问句 特殊疑问句 现在完成时的代言词 1 already 已经 just 刚刚 用于肯定句中2 yet 还 用于否定句和疑问句句尾3 ever 曾经 用于疑问和否定句中 4 never 从不 表示否定 二 用never ever already just yet for填空 1 Ihave seenhimbefore soIhavenoideaabouthim 2 Jackhas finishedhishomework 3 Mr Wanghastaughtinthisschool tenyears 4 Haveyou seenthefilm No Ihave seenit 5 Hasthebusleft Yes ithas left never already just for ever never yet just alreay already 已经 肯中yet 已经 问否尾just 刚刚 肯中ever 曾经 问中never 从不 for since的区别 1 for 时间段 formanyyears foralongtime2 since 时间点 since1998 sincelastyear3 since 时间段 ago sincethreeyearsago4 since 句子 一般过去时 sinceImovedhere Myfamilyhavelivedhereformanyyears Ihaven tlivedinmyhometownsince2008 ShehaslearntEnglishsincefiveyearsago Hehashadthehousesincehemovedhere for 时间段since 过去时间since 过去句子 1 Wehavelivedhere 2001 2 Ihavebeenateacher tenmonths 3 Theyhaveknowneachother morethanfiveyears 4 Ihavebeenatthisschool sixyearsago 5 ShehassentsomeinformationtoTom Tomwenttoschool 6 Iwillstayinthehotel aweek since for for since since for Fillinthesentenceswithfororsince for 时间 since 过去时间 since 过去句子 SentencePattern句式 Ihaveeatenlunch Shehaseatenlunch Hehaseatenbreakfast 肯定句 主语 have hasdone 宾语 其他 Theyhaveeatensupper 我已经吃了午饭 eat ate eaten 她已经吃了午饭 eat ate eaten 他已经吃了早饭 eat ate eaten 他们已经吃了晚饭 eat ate eaten Ihavenot haven t seenthefilm Shehasnot hasn t seenthefilm Ihaven teatensupper Hehasn tchangedhisidea Mymotherhasn tcomebackhome 否定句 主语 havenot haven t done 宾语 其他 三单主语 hasnot hasn t done 宾语 其他 我没有看过这部电影 see saw seen 她没有看过这部电影 see saw seen 我还没有吃晚饭 eat ate eaten 他还没有改变他的主意 change changed 我妈妈还没有回来 come came come I vealreadyhaddinner I dinner 2 Hehasjustfinishedhishomework He hishomework 3 Mum scookedthedinner Mum thedinner 4 Susan slearnedEnglishatschool Susan Englishatschool haven t had yet hasn t finished yet hasn tcooked hasn t learned 把下列句子改为否定句 Haveyouhadbreakfast No Ihaven t HaveyouknownSandyforalongtime Yes Ihave Hassheeatenanythingsince9 00a m No shehasn t 一般疑问句 Have has 主语 过去分词 宾语 其他 回答 Yes 主语 have has No 主语 haven t hasn t 你吃早饭了吗 不 没有 have had had 你认识Sandy很长时间了吗 是的 know knew known 自早上九点钟以来她吃过东西了吗 不 她没有 eat ate eaten I vealreadyhaddinner 2 Hehasjustfinishedhishomework 3 Mum scookedthedinner 4 Susan slearnedEnglishatschool Haveyouhaddinneryet Hashefinishedhishomeworkyet Hasmumcookedthedinner HasSusanlearnedEnglishatschool 把下列句子改为一般疑问句 I ve Ihave Mum s Mumhas Susan s Susanhas 用所给动词的适当形式填空 1 I teach Enghishinthisschoolsince1997 2 Lilei keep thelibrarybookforfivedays 3 Kate see hergrandmother sphotobefore 4 Sofar we build thousandsofBuildingsinFuzhou 5 I be toBeijingalready havebuilt havebeen haskept havetaught hasseen Sofarwehaveplantedmanytrees Hehasjustcomeback Theyhavealreadybuiltmanybuildingsinthiscity Someonehasjustbrokenthewindow Ihavealreadylostthekey Ihaven treadthatbookyet 现在完成时的用法 翻译大比拼1 1 到目前为止我们已经植了很多树 planted 2 他刚刚回来 come came come 3 他们已经在这个城市建了很多楼 build built built 4 有人刚刚打破了窗户 break broke broken 5 我已经丢了钥匙 lose lost lost 6 我还没有读那本书 read read read ShehaslearnedEnglishfor5years Wehaven tseeneachotherforalongtime Shehasbeenheresince1989 Ihavebeenheresincefivemonthsago Greatchangeshavetakenplacesinceyouleft HehaslivedinBeijingsincehewasborn 现在完成时的用法 翻译大比拼2 1 他学英语已经学了5年了 learn learnt learnt 2 我们很长时间没相互见面了 see saw seen 3 自从1989年以来她就在这 be was were been 4 自从5个月前我就在这 be was were been 5 自从你离开以来就发生了很大的变化 take took taken 6 自从他出生以来他就生活在北京 live lived 过去分词的构成 learn learnt learned learnt learned be was were been introduce introduced have has had had make made made eat ate eaten see saw seen come came come build built built break broke broken lose lost lost read read read take took taken live lived plant planted know knew known sing sang sung study studied help helped do does did done plan planned Ready 规则动词过去式 过去分词变化规则 work worked worked1 一般在动词词尾加ed change changed changed2 如果动词以字母e结尾 直接在词尾加d plan planned planned3 如果动词是一个辅音字母结尾的重读闭音节单词 要双写这个辅音字母 再加ed carry carried carried4 如果动词是以辅音字母加y结尾 要变y为i再加ed 不规则动词 一 原形 过去式和过去分词相同的动词 A A A型 cost cost costcut cut cuthit hit hithurt hurt hurtlet let letput put putread read read 2 A B B型 bring brought broughtbuy bought boughtmeet met metbuild built builtcatch caught caughtfeel felt feltfind found foundkeep kept keptleave left leftmake made made 3 A B A型 become became becomecome came comerun ran run 4 A A B型 beat beat beaten 5 A B C型 begin began begunblow blew blownbreak broke brokendo does did donedrink drank drunkeat ate eatenfall fell fallengive gave givengo went goneknow knew knownwrite wrote wirrten 学案Writedownpasttenseandpastparticipleofthefollowingverbs 写出下例动词的过去时和过去分词 workrainlovechangestopplandropstudycarry readteachseefeelbuildleavethinkwritedo workedworked rainedrained lovedloved changedchanged stoppedstopped plannedplanned droppeddropped studiedstudied carriedcarried readread taughttaught sawseen feltfelt builtbuilt thoughtthought wrotewritten diddone leftleft havebeen与havegone的用法比较 havebeento意思是 到过 去过 表示曾经到过某处 但现在人不在那儿 havegoneto意思是 去了 表示已经去了某地 现在人可能在去的途中或已在那儿了 havebeenin意思是 呆在某处一段时间了 上一页 下一页 主菜单 比较havebeento in和havegoneto HehasgonetoShanghai 他 已经 去上海了 HehasbeentoShanghai 他 曾经 去过上海 他可能在去上海的路上 或是已到上海 反正人现在不在说话现场 他现在已经不在上海了 HehasbeeninShanghaiformanyyears 他在上海很多年了 他现在在上海或许将来还在 have hasbeen to have hasgone to Whereisyourfather Heisn therenow He towork 2 Haveyoutravelledabroad Yes I toAmericatwice hasgone havebeen 用Havebeento havegoneto havebeenin填空 Mikeandhisparents thenorthforhalfayear Mumisnotathomenow she theshop youever tokunming Never Where you thesedays HasJimarrivedyet Yes he hereforseveraldays WhereisPeter Idon tknowwherehe HiJim Where you LiLeiislookingforyou havebeenin hasgoneto havebeen Havebeen hasbeen hasgone havebeen 下一页 上一页 主菜单 Furtherstudy 当句子包含的时间状语含有since和for时 动作必须用延续性动词 Ihaveboughtthebookforaweek Ihavehadthebookforaweek buy是短暂性动词 have是延续性动词 非延续性动词又叫终止性动词或瞬间动词 不能和一段时间连用 延续性动词 可以和一段时间连用 Theyhavecomeherefortwodays Theyhavebeenherefortwodays be是延续性动词 come是短暂性动词 5 短暂动词和延续动词转换 have keep behere beaway from beopen beclosed beon beover bedead haveacold beinterestedin bemarried wear beup beawake beasleep bein beamemberof bein at Choosethebestanswer 1 Whatanicewatch Howlong you it JustthreeweeksAwill buyBdid buyChave had2 you inGreenerChinaforalongtime Yes IjoineditfiveyearsagoAHave beenBHas joinedCHave joined3TeacherLiJapan he Japanfortwoyears Ahasbeento hasbeentoBhasgoneto hasbeeninChasgoneto hasbeento4ThestudentsaresorrytohearthatthefamoussingerforhalfanhourAhasleftBhasbeenawayChasgoneaway5Ithisbookfortwodays IhavetoreturnitnowAborrowedBhaveborrowedChavekept C A B B C 6 Whenyouyouroldfriend Thedaybeforeyesterday Awill visitBdid visitChave visited7MrsWhite inthisschoolsinceshecamehere AteachesBtaughtChastaught8Nochildren footballinthestreetsinceacarhitaboylastSunday AhaveplayedBplayedCplaying9 I msorrytokeepyouwaiting Oh notatall I hereonlyforafewminutes AwasBhavebeenCwillbe10Hisgrandfathersince1936 AdiedBhasdiedChasbeendead B C A B C 现在完成时vs 一般过去时 IhavestudiedHistoryfortwoyears IhadaHistorylessonyesterday IhavelearntalotaboutGreekhistory IreadthestoryoftheTrojanWarlastweek Weuse thepresentperfecttense thesimplepasttense totalkaboutapastexperiencewhichhasaconnectiontothepresent Weuse thepresentperfecttense thesimplepasttense totalkaboutacompletedactioninthepast Ihavelostmywatch Ilostmywatch 现在完成时表示过去发生的某一动作对现在造成的影响或结果 强调与现在的关系 不能够与in1998 threedaysago和justnow等明确的过去的时间状语连用 一般过去时只是表示动作是发生在过去 和现在并没有什么直接与必然的联系 因此一般过去是可以和表示明确的过去的时间状语连用 现在完成时vs 一般过去时 Readandcomplete B1Readthefollowingconversationbetweenthecaptainandasoldierfromthestory TheTrojanhorse Completeitwiththecorrecttensesoftheverbsinbrackets havegone left came havetried havewon haveleft didn ttake B2Completethediarybelowwiththecorrecttensesoftheverbsinbrackets bought went opened neverbeen have visited haveseen bought haveread 拓展句型 for 时段 since 时间点Ithasbeen 时间段 since 过去时态的句子 时间段 haspassed since 过去时态的句子 Eg ShehaslearnedEnglishfor5years ShehaslearnedEnglishsince5yearsago Ithasbeen5yearssinceshebegantolearnEnglish FiveyearshaspassedsinceshebegantolearnEnglish 小试牛刀 写出下列句子的同义句 句数不限 1 Wehaven tseeneachotherforalongtime 2 Shehasbeenheresince1989 3 Ihavebeenheresincefivemonthsago 4 Greatchangeshavetakenplacesinceyouleft 5 HehaslivedinBeijingsincehewasborn 学案练习 Grammar学案现在完成时的用法 观察一 Nowwehaveplantedallthetrees Hehasjustcomeback Theyhavebuiltmanybuildingsinthiscity 表示到现在为止 或 的动作 观察二 Someonehasbrokenthewindow 窗户现在是坏的 Ihavealreadylostthekey 我现在没有钥匙 Ihaven treadthatbookyet 不了解书的内容 Ihavejustcleanedmyhands 手是干净的 表示过去发生的动作 强调 或 常与 已经肯定 已经否定 刚刚 曾经 等词连用 观察三 ShehaslearnedEnglishfor5years HehaslivedinBeijingsincehewasborn HashelivedinShenzhensince4yearsago 表示过去已经开始 持续到现在 也许还会继续下去的动作或状态 常与包括现在在内的一段时间的状语连用 常与 引导的时间短语或从句连用 yet 结束 对现在的结果 影响 already for 时段 just ever 完成 since 过去句子或时间 二 基本结构 主语 done 肯定句 主语 have has 过去分词 其他 否定句 主语 其他 一般疑问句 主语 其他 特殊疑问句 特殊疑问词 一般疑问句 have has 主语 过去分词 其他 练习一 根据要求填空Hehasfinishedhishomework He hishomeworkyet 变成否定句 he hishomeworkyet 变成一疑问句 肯定回答 否定回答 就划线部分提问 练习二 用所给动词的适当形式填空 1 I teach Englishinthisschoolsince1997 2 Lilei keep thelibrarybookforfivedays 3 Kate see hergrandmother sphotobefore 4 Sofar we build thousandsofBuildingsinFuzhou 5 I be toBeijingalready have has 过去分词 have has have has 过去分词 过去分词 hasnotfinished not Hasfinished Yes hehas No hehasn t whathashefinished havetaught haskept hasseen havebuilt havebeen already已经 yet还 仍然 just刚刚 ever曾经 never从不 before以前 since自 以来 for recently近来 sofar到目前为止 课测一 用括号里的单词正确形式填空 1 I already see thefilm I see itlastweek 2 he finish hisworktoday Notyet 3 Myfather just come backfromwork Heistirednow 4 Where sLiMing He go totheteacher soffice 5 I work heresinceI move herein1999 6 SofarI make quiteafewfriendshere 7 Howlong theWangs stay here Fortwoweeks 8 I just finish myhomework 9 He go toschoolonfooteveryday 10 you find yoursciencebookyet 11 Ifit be finetomorrow I llgowithyou 12 Thestudents read Englishwhentheteachercamein 13 Look Themonkey climb thetree 14 Mymother come toseemenextSunday 15 I velostmypen you see itanywhere haveseen saw Hasfinished hascome hasgone haveworked moved havemade havestayed havefinished goes Havefound is werereading isclimbing willcome Haveseen 1 Haveyou travelledbytrain Yes Ihave A neverB everC justD yet 2 Haveyoufinishedyourhomework Not A yetB alreadyC everD just 3 Wehaven tstudiedUnit6 A neverB everC alreadyD yet 4 Haveyou learntEnglish Yes I ve learntalot A never everB ever neverC ever alreadyD never already5 Haveyouhandedinyourhomework Yes I vedonethat A yet alreadyB already yetC ever neverD still just 6 John sfather borrowedsomepictures A havealreadyB hasjustC haveeverD hasyet 7 He returnedt