SectionAGrammarFocus-4c\nTolearntheusageofforandsince.TousetheGrammarFocussentencestocreatesimpleconversation.Toreviewthepresentperfecttense.Tolearnnewword:hometown…Objectives\nReviewGroupWorkYou’rehavingayardsale.Whatwouldyoudowiththemoneyyouraise?\n\nPresentPerfectTense现在完成时表示从过去已经开始持续到现在的动作或状态，可以和表示“从过去某一时刻延续到现在的一段时间状语”连用，如“for+时间段”、“since+过去时间点”、“since+过去时的从句”、“since+一段时间+ago”。且for与since引导的时间状语可以相互转换。\ne.g.Myunclehasworkedatthisfactoryfortenyears.=Myunclehasworkedatthisfactorysincetenyearago.I’ve lived heresince1990．自从1990年以来我就住在这里。I haven’t seen himforthree years.我三年没有看见他了。\nShe’s been at this schoolsincefiveyears ago.自从五年前她就在这个学校。含有for，since的现在完成时的用法歌诀:过去的动作或状态，一直持续到现在，for、since把时间带。\nfor与since都能与现在完成时连用，但区别较大：（1）for后须接“时间段”e.g.HehasstudiedEnglishforfiveyears.他学英语5年了。（2）since后须接“时间点”e.g.HehasstudiedEnglishsince1999.他从1999年开始学英语。for和since在现在完成时中的应用\n（3）二者可以转换for+一段时间=since+一段时间+agoe.g.Hehasbeenhereforfiveweeks.=Hehasbeenheresincefiveweeksago.他到这儿已经有五个星期了。（4）since能引导时间状语从句（主句用现在完成时，从句用一般过去时），而for则不能。e.g.HehastaughtheresincehecametoChina.自从他来到中国就在这儿教书。\n（5）现在完成时常用句型：①Itis(hasbeen)+时间段+since+时间状语或从句e.g.ItisfourdayssincelastFriday.从上周五到现在已经四天了。IthasbeentwoyearssinceJimcametoBeijing.吉姆来北京已经两年了。\n②Thisisthefirst(second…)timethat+从句句型中的that从句通常使用现在完成时。e.g.ThisisthefirsttimethatJennyandDannyhavebeentoChina.这是珍妮和丹妮第一次来中国。ThisisthethirdtimethatIhaveseenKaren.这是我第三次见到凯伦。\n（6）均须与延续性动词连用，也可以与非延续性动词的否定式连用。e.g.Ihavehadthiscomputersincefouryearsago.Ihaven’tboughtanythingfortwomonths.Ihaven’theardfromhimfor3weeks.\n（7）二者引出的时间状语往往用howlong提问。e.g.—Howlonghaveyouhadthisbook?—Foraweek./Sinceaweekago.—这本书你买多久了?—买一周了。\n1.转换为相应的延续性动词，用于现在完成时。borrow—keepbuy—haveputon—wearcatchacold—haveacoldgettoknow—knowgettosleep—sleep非延续性动词和延续性动词之间的转换\n2.转化为“be+形容词/副词/介词/名词”begin/start—beongoout—beoutclose—beclosedopen—beopengetto/arrive/reach—be(in)die—bedeadleave—beaway\nfinish—beoverfallasleep—beasleepjoin—bein/beamemberofbecome—bemakefriends—befriendscome/go/—be+相应的介词短语\nTheoldmandied4yearsago.—Theoldmanhasbeendeadfor4years.Itis4yearssincetheoldmandied.—Fouryearshaspassedsincetheoldmandied.HejoinedtheParty2yearsago.—HehasbeeninthePartyfor2years.Iboughtthebook5daysago.—Ihavehadthebookfor5days.e.g.\nI.选择for或since填空。1.Ihavebeenhere________fivemonthsago.2.Hehasbeenasoldier_____abouttwomonths.3.Greatchangeshavetakenplace________youleft.4.Hisgrandpahasbeendead_____tenyears.5.IhavestudiedEnglish_______Iwas12yearsold.6.Itistwoyears________Ibecameapostgraduatestudent.sinceforsinceforsincesinceExercises\n1.She_______thisbookfornearlythreeweeks.A.hasborrowedB.haslentC.hasboughtD.haskept2.Tenyearshaspassed____theCCTVeventPeopleWhoMovedChinatookplacein2002.A.whenB.whileC.beforeD.sinceII.单项选择。✔✔\nHowlonghaveyouhadthatbikeoverthere?I’vehaditforthreeyears.Howlonghashissonownedthetrainandrailwayset?He’sowneditsincehisfourthbirthday.Haveyoueverplayedfootball?Yes,IdidwhenIwaslittle,butIhaven’tplayedforawhilenow.GrammarFocus\nJimisinJapan.Hearrivedtherethreedaysago.__________________________________2.Theyareveryhungry.Theirlastmealwastenhoursago.____________________________________Rewritethesentencesusingfororsince.JimhasbeeninJapanforthreedays.Theyhaven’teatenfortenhours.4a\n3.Ihaveacamera.Iboughtitin2009._______________________________4.IknowAnna.Ifirstmetherthreeyearsago.___________________________________5.Lindaisill.ShebecameillonMonday.____________________________________Ihavehadacamerasince2009.IhaveknownAnnaforthreeyears.LindahasbeenillsinceMonday.\n1.I__________________(neverbe)tothewaterparkbefore.Iwantto____(go)nextmonthbeforetheweathergetstoocold.2.They_____________________(neverown)anypets,butthey______________________(alwayswant)tohaveadog.3.We__________(have)apianosincelastFillintheblankswiththecorrectformsoftheverbsinbrackets.haveneverbeengohaveneverownedhavealwayswantedhavehad4b\nNovember.We_________(buy)itfromtheLifamilywhentheymovedtotheUSlastyear.4.CathyandAmy_____________(notbe)backtotheirhometownfortwoyears.They______(miss)theirhometownalotandhopetovisittheplacenextyear.5.Thismuseum__________(be)hereforover20years.It_____(be)oneoftheoldestbuildingsinthissmalltown.boughthaven’tbeenmisshasbeenis\nFillinthequestionsandasktwostudents.Thencompletethechart.1.Doyouhavea(n)_________?Howlonghaveyouhadit?2.Doyouowna(n)__________?Howlonghaveyouownedit?ThingsHowlongTonyfavoritebookfortwoyearsbasketballsincehewas10yearsoldstudent1student24c\nI.单项选择。1.MissLiuhastaughtEnglish___shecamehere.A.sinceB.asC.whenD.for2.—Lookatthesestamps.I___themforfiveyears.—Wow,theyarewonderful.A.keptB.havekeptC.haveboughtExercises\n3.MysisterhaslearntEnglish ______.A.fortwelveyearsago B.sinceshewasfour C.twelveyearsago D.attheageoffour 4.She_____thebook______twodaysago.A.hasborrowed;sinceB.haskept;sinceC.kept;for5.—Didyouborrowthecomicbookfromthelibrary?—Yes,I______itforthreedays.I’llreturnitthisafternoon.A.borrowedB.keptC.haveborrowedD.havekept\n1.Wehavelivedhere_______1990.2.—Howlonghaveyoustudiedhere?—______5years.3.Theboyhashadabadcold______lastnight.4.Ihavewaited______twohours.5.Mr.Huanghaskeptthebook______lastmonth.6.Ihavetaughtintheschool______Icamehere.sincesinceForII.用for和since完成句子。forsincesince\n7.Wehavebeenfriends______alongtime.8.IhavebeeninNanjing______eightyears.9.SallyhasbeenawayfromLondon______lastSaturday.10.Ourschoolhaschangedalot______thenewbuildingwasbuilt.11.Tommyhashadthismotorcycle____threeyears.12.Myparentshavebeenmarried____20years.sinceforforsinceforfor\nIII.按要求改写句子。1.Theclasswasovertenminutesago.(同义句转化)Theclass_________________fortenminutes.2.Hisgrandpadiedin2004.(同义句转化)Hisgrandpa_________________for10years.3.Theexhibitionhasbeenonforthreedays.(同义句转化)Theexhibition______________threedaysago.hasbeenoverhasbeendeadstarted/began\n4.Myparentsgotmarried25yearsago.(同义句转化)Myparents__________________for25years.5.IboughttheMP3lastweek.(同义句转化)I__________theMP3foraweek.6.KittyjoinedtheReadingClublastyear.(同义句转化)Kitty_________________________theReadingClubsincelastyear.havehadhasbeenamemberofhavebeenmarried\n7.MyunclebegantoteachChinesewhenhewas23.(同义句转化)Myunclehas_______Chinese_____hewas23.8.Wehaven’tseeneachotherfor2years.(同义句转化)It’stwoyears______welast______.9.Themeetinghasbeenoverforanhour.(对划线部分提问)___________hasthemeetingbeenover?taughtsincesincemetHowlong\nIV.根据汉语提示，完成下面的句子。1.你上个星期五就借了我的书，还没有看完吗？You__________mybook______lastFriday.Haven’tyoufinishedreadingit?2.我从七点起就开始等了。Ihavewaited_____________________.3.她已经到达公司半个小时了。Shehasbeeninthecompany_______________.havekeptsincesinceseveno’clockforhalfanhourhavekeptsincesinceseveno’clockforhalfanhour\n4.他离开家已经10年了。Hehasbeenawayfromhome______________.5.足球赛已经开始15分钟了。Thefootballmatch_________________15minutes.6.他从去年起加入了篮球俱乐部。HehasbeenamemberoftheBasketballClub__________________.fortenyearshasbeenonforsincelastyear\n7.这本字典我已买了三年了。Ihavehadthisdictionaryforthreeyears.8.他离开中国三年了。HehasbeenawayfromChinaforthreeyears.9.我认识他们已经五年了。Ihaveknownthemforfiveyears.\n10.他们已去美国五年了。TheyhavebeenintheUSAforfiveyears.11.自从他搬到济宁，他就住这儿了。HehasbeenheresincehemovedtoJining.12.自从1999年以来他们就认识。Theyhaveknowneachothersince1999.\n—Yournewwatchissonice!Whendidyoubuyit?—InOctober.Iitfortwomonths.A.hadB.boughtC.havehadD.haveboughtC中考链接\nU9S-—Wherearetheteachersnow?—Inthemeetingroom.They_____themeetingfor10minutes.A.havebegunB.havebeenonC.havehadD.havebeenheldC\nReviewtheGrammarFocusandtellthedifferencesbetweenforandsince.Homework
