初中現(xiàn)在完成時講解課件.ppt
《初中現(xiàn)在完成時講解課件.ppt》由會員分享,可在線閱讀,更多相關(guān)《初中現(xiàn)在完成時講解課件.ppt(17頁珍藏版)》請在裝配圖網(wǎng)上搜索。
ThePresentPerfecttense,PresentPerfectTense現(xiàn)在完成時,主語+have/has+過去分詞(pp),助動詞,無意義,現(xiàn)在完成時的結(jié)構(gòu),Winterhasalreadycome,,willitstillbefarinspring?,主語+have/has+過去分詞(pp),否定形式havent(havenot)+過去分詞hasnt(hasnot)+過去分詞,疑問句把助動詞have/has放在句首,現(xiàn)在完成時的結(jié)構(gòu),注:主語若是第三人稱單數(shù)助動詞用has,Youhaveplantedallthetrees.Ihaveplantedallthetrees.He/shehasplantedallthetrees.Theyhaveplantedallthetrees.,區(qū)別have和has的用法,主語若是第三人稱單數(shù)助動詞用has,1)表示到現(xiàn)在為止已經(jīng)完成或剛剛完成的動作。Nowwehaveplantedallthetrees.Hehasjustcomeback.Theyhavebuiltmanybuildingsinthiscity.,現(xiàn)在完成時的用法,2)表示過去發(fā)生的動作,強(qiáng)調(diào)結(jié)果或?qū)ΜF(xiàn)在的影響。Someonehasbrokenthewindow.(窗戶現(xiàn)在是壞的)Ihavealreadylostthekey.(我現(xiàn)在沒有鑰匙)Ihaventreadthatbookyet.(不了解書的內(nèi)容)Ihavejustcleanedmyhands.(手是干凈的),常與already(已經(jīng)),yet(已經(jīng)),just(剛剛),ever(曾經(jīng))等詞連用.,already:常用于肯定句中.yet:常用于否定句,疑問句尾.,3)表示從過去開始并持續(xù)到現(xiàn)在的動作或狀態(tài),常與包括現(xiàn)在在內(nèi)的一段時間的狀語連用。ShehaslearnedEnglishfor5years.HehaslivedinBeijingsince5yearsago.,since:(自以來)1)since+時間點Hehasstayedheresince5oclock.2)since+時間段+agoHehasstayedheresince5hoursago.3)since+從句ShehastaughtEnglishsincehecamehere.for:(長達(dá))for+時間段Hehaskeptthebookfor2weeks.,since,for的用法:,用for或since填空,Mr.BrownhashadhisTV_15years.Ivetakendrivinglessons_lastmonth.Mysisterhashadhercellphone_amonth.Myfriendshaventvisitedme_fewdaysago.Wehaventusedourcar_alongtime.Shehasnthadagoodcupofcoffee_years.Tomhaswornglasses_hewas7yearsold.,for,since,for,since,for,for,since,注:并非所有for作為時間狀語的句子都用現(xiàn)在完成時搞清一般過去時和現(xiàn)在完成時的區(qū)別,Iworkedhereformorethantwentyyears.(我現(xiàn)在已經(jīng)不在這里工作了)Ihaveworkedhereformorethantwentyyears.(現(xiàn)在我仍在這里工作),疑難點,辨析havebeento和havegoneto,MyfatherhasgonetoShanghaiforameeting.他(已經(jīng))去了上海。,MyfatherhasbeentoShanghaiforameeting.他(曾經(jīng))去了上海。,ShehasbeentoChina.她(曾經(jīng))去過中國。(人已經(jīng)回來了),havebeentosomeplace.曾經(jīng)去過某地,已經(jīng)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),用have/hasbeento,have/hasgoneto填空:1.Whereisyourbrother?He_theshop.Hellbebacksoon.2._youever_toAmerica?Yes,I_NewYorktwice.3.Hereyouareatlast!Where_you_?I_London.4.David_Australia.Imsurehesalreadyarrived.5.IsBennyhere?No,he_theschoollibrary.Heleftfiveminutesago.,hasgoneto,Havebeento,havebeento,havebeen,havebeento,hasgoneto,hasgoneto,9.He_(go)toschoolonfooteveryday.10._you_(find)yoursciencebookyet?11.Ifit_(be)finetomorrow,Illgowithyou.12.Thestudents_(read)Englishwhentheteachercamein.13.Look!Themonkey_(climb)thetree.14.Mymother_(come)toseemenextSunday.15.Ivelostmypen._you_(see)itanywhere?,goes,have,found,is,werereading,isclimbing,iscoming,Have,seen,1.I_already_(see)thefilm.I_(see)itlastweek.2._he_(finish)hisworktoday?Notyet.3.Myfather_just_(come)backfromwork.Heistirednow.4.WheresLiMing?He_(go)totheteachersoffice.5.I_(work)heresinceI_(move)herein1999.6.SofarI_(make)quiteafewfriendshere.7.Howlong_theWangs_(stay)here?Fortwoweeks.8.I_just_(finish)myhomework.,have,seen,saw,Has,finished,has,come,hasgone,haveworked,moved,havemade,have,stayed,have,finished,1.have,seen,saw2.Has,finished3.has,come4.hasgone5.haveworked,moved6.havemade7.have,stayed8.have,finished9.goes10.have,found11.is12.werereading13.isclimbing14.iscoming15.Have,seen,THEEND,- 1.請仔細(xì)閱讀文檔,確保文檔完整性,對于不預(yù)覽、不比對內(nèi)容而直接下載帶來的問題本站不予受理。
- 2.下載的文檔,不會出現(xiàn)我們的網(wǎng)址水印。
- 3、該文檔所得收入(下載+內(nèi)容+預(yù)覽)歸上傳者、原創(chuàng)作者;如果您是本文檔原作者,請點此認(rèn)領(lǐng)!既往收益都?xì)w您。
下載文檔到電腦,查找使用更方便
9.9 積分
下載 |
- 配套講稿:
如PPT文件的首頁顯示word圖標(biāo),表示該PPT已包含配套word講稿。雙擊word圖標(biāo)可打開word文檔。
- 特殊限制:
部分文檔作品中含有的國旗、國徽等圖片,僅作為作品整體效果示例展示,禁止商用。設(shè)計者僅對作品中獨創(chuàng)性部分享有著作權(quán)。
- 關(guān) 鍵 詞:
- 初中 現(xiàn)在完成時 講解 課件
鏈接地址:http://ioszen.com/p-3614299.html