現在完成時講解完整版演示文稿現在是1頁\一共有16頁\編輯于星期三優選現在完成時講解完整版ppt現在是2頁\一共有16頁\編輯于星期三present(now)futurepast

PresentPerfectTense

現在完成時現在是3頁\一共有16頁\編輯于星期三主語+have/has+過去分詞（pp）助動詞,無意義

現在完成時的結構Winter

has

already

come，willitstillbefarinspring?現在是4頁\一共有16頁\編輯于星期三主語+have/has+過去分詞（pp）否定形式haven’t(havenot）+過去分詞

hasn’t(hasnot)+過去分詞疑問句把助動詞have/has放在句首

現在完成時的結構注：主語若是第三人稱單數助動詞用has現在是5頁\一共有16頁\編輯于星期三Youhaveplantedallthetrees.Ihaveplantedallthetrees.He/shehasplantedallthetrees.Theyhaveplantedallthetrees.

區別have和has的用法

主語若是第三人稱單數助動詞用has現在是6頁\一共有16頁\編輯于星期三1)表示到現在為止已經完成或剛剛完成的動作。Nowwehaveplantedallthetrees.Hehasjustcomeback.Theyhavebuiltmanybuildingsinthiscity.現在完成時的用法現在是7頁\一共有16頁\編輯于星期三2)表示過去發生的動作,強調結果或對現在的影響。Someonehasbrokenthewindow.(窗戶現在是壞的)Ihavealreadylostthekey.(我現在沒有鑰匙)Ihaven’treadthatbookyet.(不了解書的內容)Ihavejustcleanedmyhands.(手是干凈的)常與already(已經),yet(已經),just(剛剛),ever(曾經)等詞連用.already:常用于肯定句中.yet:常用于否定句,疑問句尾.現在是8頁\一共有16頁\編輯于星期三3)表示從過去開始并持續到現在的動作或狀態，常與包括現在在內的一段時間的狀語連用。ShehaslearnedEnglishfor5years.HehaslivedinBeijingsince5yearsago.現在是9頁\一共有16頁\編輯于星期三since:(自…以來)1)since+時間點He

has

stayed

here

since

5

o’clock.2)since+時間段+agoHe

has

stayed

here

since

5

hours

ago.3)since+從句She

has

taught

English

since

he

came

here.

for:(長達）for+時間段Hehaskeptthebookfor2weeks.since,for的用法:

Takenotes

現在是10頁\一共有16頁\編輯于星期三用for或since填空Mr.BrownhashadhisTV______15years.I’vetakendrivinglessons_______lastmonth.Mysisterhashadhercellphone______amonth.Myfriendshaven’tvisitedme______fewdaysago.Wehaven’tusedourcar_____alongtime.Shehasn’thadagoodcupofcoffee_____years.Tomhaswornglasses_______hewas7yearsold.forsinceforsinceforforsince現在是11頁\一共有16頁\編輯于星期三注：并非所有for作為時間狀語的句子都用現在完成時

搞清一般過去時和現在完成時的區別Iworkedhereformorethantwentyyears.(我現在已經不在這里工作了)Ihaveworkedhereformorethantwentyyears.（現在我仍在這里工作）疑難點現在是12頁\一共有16頁\編輯于星期三辨析havebeento和havegonetoMyfatherhasgonetoShanghaiforameeting.他（已經）去了上海。MyfatherhasbeentoShanghaiforameeting.他（曾經）去了上海。ShehasbeentoChina.

她（曾經）去過中國。（人已經回來了）havebeentosomeplace.曾經去過某地，已經回來．hasgonetosomeplace.某人去了某地，還沒有回來．ShehasgonetoChinalastweek.上周她去了上海。（人可能回來了也可能沒回來）現在是13頁\一共有16頁\編輯于星期三用have/hasbeento,have/hasgoneto填空：1.—Whereisyourbrother?—He____________theshop.He’llbebacksoon.2.—______youever_________toAmerica?—Yes,I___________NewYorktwice.3.—Hereyouareatlast!Where_____you_____?—I_____________London.4.—David_____________Australia.—I’msurehe’salreadyarrived.5.—IsBennyhere?—No,he__________theschoollibrary.Heleftfiveminutesago.hasgonetoHavebeentohavebeentohavebeenhavebeentohasgonetohasgoneto現在是14頁\一共有16頁\編輯于星期三9.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?goeshave,foundiswerereadingisclimbingiscomingHave,seen現在是15頁\一共有16頁\編輯于星期三1.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_______