现在完成时课件

LoveStoryTaylorSwiftwewerebothyoungwhenIfirstsawyou

Iclosemyeyesandtheflashbackstarts

I'mstandingthereonabalconyinsummerair

seethelights,seetheparty,theballgowns

seeyoumakeyourwaythroughthecrowd

andsayhello,littledidIknow

thatyouwereRomeo,youwerethrowingpebbles

andmydaddysaidstayawayfrom,JulietandIwascryingonthestaircase,beggingyoupleasedon'tgo

andIsaid

Romeotakemesomewherewecanbealone

I'llbewaiting,allthere'slefttodoisrun

you'llbetheprinceandI'llbethisprincess

it'salovestory

baby,justsayyeswewerebothyoungwhenIfirstsawyou

Iclosemyeyesandtheflashbackstarts

I'mstandingthereonabalconyinsummerairandIwascryingonthestaircase,beggingyoupleasedon'tgo

andIsaid

Romeotakemesomewherewecanbealone

I'llbewaiting,allthere'slefttodoisrun

you'llbetheprinceandI'llbethisprincess一般过去时一般现在时现在进行时过去进行时一般将来时将来进行时春天还会远吗?Willitbefarinspring?冬天已经来了,Winterhasalreadyarrived.

现在完成时PresentPerfectTenseMonicaLIAOpresent(now)futurepast

现在完成时(presentperfecttense)一、构成:have/has+动词的过去分词现在完成时

Presentperfecttense二、用法常与already(已经),yet(已经),just(刚刚),ever(曾经)等词连用.现在完成时表示过去发生的动作,并对现在有影响。Someonehasbrokenthewindow.Ihavejustcleanedmyhands.(手是干净的)(窗户现在是坏的)2.表示从过去已经开始，持续到现在的动作或状态。Hehasworkedinthisschoolsincehecamehere.常与for,since引导的时间短语或从句连用.(过去在这所学校工作，现在还在这所学校工作)1一般情况下，动词词尾加-ed；规则动词的过去分词变形2以不发音的-e结尾动词，动词词尾加–d；work-workedwantedwant-play-playedmove-movedraisedraise-decide-decidedjudge-judged3以辅音字母+y结尾的动词，把-y变为-i再加-ed；copy-copiedtriedtry-study-studiedcarry-carried4以一个辅音字母结尾的重读闭音节动词，双写词尾辅音字母，再加–ed；stop-stoppeddroppeddrop-beg-beggedplan-planneddraggeddrag-fret-frettedbe-go-have-give-know-run-see-draw-hear-buy-come-do-drink-eat-make-say-find-get-begin-leave-was/were-beenwent-gonehad-hadgave-givenknew-knownran-runsaw-seendrew-drawnheard-heardbought-boughtcame--comedid--donedrank--drunkate--eatenmade--madesaid--saidfound--foundgot—got/gottenbegan--begunleft--left不规则动词的过去分词变化基本结构：have／has＋done否定形式：have／has＋not＋doneIhavefoundmybookalready.Ihaven’tfoundmybookyet.现在完成时的句型转换already:常用于肯定句中.yet:常用于否定句,疑问句尾.一般疑问句：have／has置于句首特殊疑问句：特殊疑问词+have/has+主语Haveyoufoundyourbookyet？Yes,Ihave./No,Ihaven’t.Whathaveyoufoundyet？Ihavefoundmybookalready.Shehasdoneherhomework.(改否定句)Shehasalreadytoldusthenews.(改否定句)Therainhasalreadystopped.(改一般疑问句)Shehasn’tdoneherhomework.Shehasn’ttoldusthenewsyet.Hastherainstoppedyet?按要求改写句子。4.Ihavewaitedherefortwohours.(划线提问)HehaslivedinShangHaisinceheleftBeijing.(划线提问)6.Theyhaveboughtanewcar,________________?(反义疑问句)WherehashelivedsinceheleftBeijing?theyhaven’tHowlonghaveyouwaitedhere?1.我已打扫了房间。I__________myroom.2.他还没完成作业。He____________hishomework.3.自从1998年他们就没再见过面。They__________eachothersince1998.havecleanedhasn’tfinishedhaven’tseen5.史密斯夫人来北京多长时间了？__________MrsSmith______inBeijing？4.他是去了图书馆吗？Hashegonetothelibrary?是的，他是去那里了。Yes,hehas.不，他没去那里。No,hehasn’t.Howlonghas

been

表示短暂的动作，没有持续性，即“一发生就结束”的动作。终止性动词（瞬间动词）在现在完成时中，不能同表示一段时间的状语或Howlong连用。常见的这类动词有：go,come,leave,arrive,lose,join,borrow,die,begin.表示能够延续的动作。延续性动词延续性动词可以与表示时间段的状语连用。常见的这类动词有：learn,work,stand,lie,know,walk,keep,have,wait,watch,sing,read,sleep,live,stay等。常见的瞬间动词和延续动词（词组）转换瞬间动词

die

open(动词)

getup

fallasleep

finish

leave

buy

borrow

catchacold延续动词bedeadbeopen（形容词）beup

beasleepbeoverbeawayhavekeephaveacoldExerciseI___theclubfor6mouthssofar.A.joinedB.havejoinedC.havebeenin

2.--Howlonghaveyou___thebooks?--FortwoweeksA.borrowedB.lentC.getD.kept1.TheEnglishprofessorarrivedhereaboutaweekagoTheEnglishprofessor_________hereforaboutaweek.2.Herhusbandstartedtoworkonthefarmthreehoursago.Herhusband__________onthefarmforthreehours.3.Hejoinedthearmyin1985.He______________thearmy____1985.hasbeenhasworkedhasbeeninsince改写句子，使原句的意思不变，每空一词。Samgotsicktwodaysago.Samhasbeensickfor

twodays.Sherrygotherdriver’slicense(执照)in1999.Sherryhashadherdriver’slicensesince(自从)1999.since自…以来1)since+时间点自从5点钟他就在这儿了。He

has

stayed

here

_____________.2)since+时间段+ago自从5小时前，他就在这儿了。He

has

stayed

here

since

5

hours

ago.since的用法:since

5

o’clock3)since+从句自从来到这里，她就在教英语。She

has

taught

English

__________________.since

she

came

here

for

长达for+时间段Hehaskeptthebookfor2weeks.for的用法:1.

JillhasbeeninIreland_________Monday.2.

MyaunthaslivedinAustralia_______15days.3.

Indiahasbeenanindependentcountry______1974.4.

Nobodylivesinthosehouses.Theyhavebeenempty______manyyears.5.

Mikehasbeenill________alongtime.Hehasbeeninhospital______October.sinceforsinceforforsince用for或since填空HehasgonetoShanghai.HehasbeentoShanghai.下列两句话有什么区别？他已经去上海了。他曾经去过上海。1.—Whereisyourbrother?—He____________theshop.He’llbebacksoon.2.—______youever_________toAmerica?—Yes,I___________NewYorktwice.3.—Ihaven’tseenyouforalongtime!Where_____you_________?—I_____________London.hasgonetoHavebeentohavebeentohavebeentohave用have/hasbeento,have/hasgoneto填空。beento4.—David_______________Australia.—I’msurehe’salreadyarrived.5.—IsBennyhere?—No,he______________the