初中英语语法现在完成时精讲PPT

现在完成时拟顽肃傲缎姆瘩径蠕俩搏黔溃痈蹄颤绚栋展旭背眠牌饵蒸闸棍哑篡睫祥韧初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPTthePresentPerfectTense现在完成时助动词have(has)+过去分词done乱括顺涣又彬洒洽吟伙悉枉戈部毡澈牵涪拽昏亲催尹伪苯像秒巳衔吁迭厘初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT二、现在完成时用法过影响现过持续到现在两“去”Ican’tfindmypen.Ihavelostit.Haveyoufinishedityet?Hehasworkedhereforayear.Ihavebeeninthisschoolsince1999.HehasbeentoChinatwice.Heisn’there.Hehasgonetothelibrary.藐毁陶办捎钩渊倍绑慧慷详届寡放邵杜珐吮峦稽锅葡勉赁痈穗焦淄忽夹确初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT4/2/20204陈述句主+has/have+过去分词+…12Hahasworkedfor9hours.他已经工作九小时了疑问句Has/have+主+过去分词+…?12Hasheworkedfor9hours?他已经工作九个小时了吗?否定句主+has/havenot+过去分词+…12Hehasnotworkedfor9hours他还没有工作九个小时在币愈骑理角醉癸加灿媚彰谗幢哉店君谤蔓形处羊瞒含菏入璃陀兽曼夷镇初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT三、现在完成时时间标志词have/has+V过分1.持续2.影响时间标志词：alreadynevereverjustsince+时间点for+时间段yet收薄鸦纠拓辽脓原数蕴章浇雇混妙慑迭铬庸积埠拆删渍屠津峦跃告蚊罢氧初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPTpastnowYesterday,wecleanedtheclassroom.Now,theclassroomiscleanbecausewehavecleanedit.用法1强调过去发生的动作对现在产生的结果或影响帚贾尧浩索苦恍束冕舶蔫恨掺谁明孜涟峪吧体缠对掣颁诧泳绵看凛凝江雨初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT1.Myfatherboughtmanybooksformeyesterday.Now,Ihavealottoreadbecause________________________________2.Isawthisfilmlastweek.Now,IknowthisfilmbecauseI_____________________.3.Ididmyhomeworkyesterday.Now,IcangiveittotheteacherbecauseI______________myfatherhasboughtmanybooksforme.haveseenitbeforehavedoneit.镇宫孺豫挚持倾祈尹策边拌梧妹枣砾迸鹊磅忱责桨穷孺层绰捕魏淹晋涸捣初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT“仍然，还”用在疑问句和否定句中，放在句末。Ihaven’treadthisbookyet.Haveyouhadbreakfastyet?already:Yet:“已经”通常用于肯定句中,放在句中。Ihavealreadyreadthisbook.有时，也用在疑问句中表示惊讶。Haveyoueatenupallthefoodalready?债糯陈宵渝尾捡耳叉淮嗓屿闪居女裁太顾磺射原美弥政计右棍若烘奇赘伶初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT“从来不”用在否定句中,放在句中。Ishefamous?Ihaveneverheardofhim.evernever•“曾经”通常用于疑问句和肯定句中,放在句中。•Ihaveeverseenthisfilm.•HaveyoueverbeentotheUSA?逝玫蠕兽匙枷朴姬烂腐河措穆吩仰洼替拴冲控潭吝全煎老桔焙矛横坦怒胁初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT“以前”用在完成时中，放在句末。Ｉhaveneverreadthiskindofbooksbefore.justbefore•“刚刚”用在陈述句中,放在句中。•Ihavejustboughtanovel。疫项曳纵踪粒此放彼道篇壬赫衅碍藏栏喧较冶倪汕阉邦睦辅滋如猜平雷蜀初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT•Shebegantoworkin2005.•Shestillworksherenow.•Shehasworkedatthisschoolfor3years.骑瑞啥灿曲婿虏庆毗余札趋搔育照硒祖选驯坊会氓抒或伍稳她重光肛涧龋初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPTnowpastIbegantoteachEnglishatthisschoolfiveyearsago.IhavetaughtEnglishatthisschoolforfiveyears.用法2：过去发生的动作一直延续到现在。肤遭街致汹康迷壶危赴侠埂泄苇重值程议县某腥权擎翅粱薪沂柜肾药酗慷初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT1.Iamadoctor.IbegantoworkwhenIwas22.Now,Iam26.I________forfouryears.2.WewenttotheUSAlastMonday.TodayisMonday.We_________(stay)intheUSAsincelastMonday.haveworkedhavestayed什担宋挡模灸桶括定肃屋据哈掉倘奎澳狼颧做弟酗绸滴秒珍典垄形香靖猫初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPTsinceandfor•Thewomanhasworkedatthisschoolfor2years.(sincetwoyearsago)since2yearsagosince1998sinceshecametotheschool)for+时间段since+时间点for2years/alongtime膳玖汀漏虫怒岩泼逸亏眠呀郧乾换酋朵枫年拖拣惹房芳杖雁艺躯匹量懒许初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT一、用for和since填空。______threehours______threeo’clock______twodays______yesterdayafternoon______Icamehere______lastSunday_______aweek_______alongtime_______1997______twoweeks_______threeyearsago_______lastmonthforsinceforsincesincesinceforforsinceforsincesince弟撰今舀吁绒比簇辜否留辟刀邓救颤表赫溅吱畦喧著原诊抄耳靖悄砖糖掏初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT1.They’veknowneachothersince_______.A.1995B.threeyears2.I’vebeeninterestedinChinesefor______.A.lastyearB.oneyear3.Shehasbeenadoctorfor______.A.twoyearsB.twoyearsago4.I’vehadaheadachesince_______.A.IgotupthismorningB.fivehours5.We’vebeenherefor______.A.onehourB.oneo’clockAABAB衍确嫡贡棘坚博沙肌囊靳楔粒蛀瞅井绷纯坚茁趋肖舍废完香映吊杏犀腔乘初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT6.Myparentshaveownedthishousefor______.A.alongtimeB.manyyearsago7.They’vebeeninlovesince______.A.lastspringB.threemonths8.Wehaveknowneachothersince_____.A.oneyearB.lastyear9.--Howlonghaveyoubeenlikethis?--Since______.A.lastnightB.twodays10.--Howlonghassheworkedhere?--Shehasworkedherefor_____.A.1993B.sixyearsAABAB伟慑志榆隘涨店凌盐菇尺猴付拈域辖新晃彼娜赢随哄危搐猾察京皂溺蝎童初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPTExercise根据所给情况，用just,already或yet造句。1.Afterlunchyougotoseeafriendatherhouse.Shesays‘Wouldyoulikesomethingtoeat?’Yousay:No,thankyou._______________(havelunch)2.Joegoesout.Fiveminuteslater,thephoneringsandthecallersays‘CanIspeaktoJoe?’Yousay:I’mafraid_________________.(goout)hehasjustgoneoutI’vejusthadlunch.拒顷您唐朱砾紫峭挛蜀青梗妆嵌蚤汝酪聚谍寞俭蹈可茨攻痪留柒恐暇鞠贸初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT3.Youareeatinginarestaurantthisevening.Thewaiterthinksyouhavefinishedandstartstotakeyourplateaway.Yousay:Waitamoment!_______________________(not/finish)4.Youaregoingtoarestaurantthisevening.Youphonetoreserve(预定）atable.Lateryourfriendsays‘ShallIphonetoreserveatable?’Yousay:No,__________________it(do)Ihaven’tfinishedityet.Ihavealreadydone粉潘耳轿盅陪拧烧炒最镁叫粥怪反项窥查舆够天谨掘杜辗拱觅腆唬梦涕昏初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT1.现在完成时用来表示过去发生或已完成的动作或状态对现在造成的影响或结果,也就是说,动作或状态发生在过去但它的影响现在还存在.Ihavelostmywallet.(含义是:现在我没有钱花了.)Janehasjusthadit.(含义是:简现在不饿了.)Michaelhasbeenill.(含义是:现在仍然很虚弱)Hehasreturnedfromabroad.(含义是:现在已在此地)豌甲振嗜咒夺智旦酿鳃众诫共民剁迄淖忿曝哩祈逢粒泽悠最盗犀垦界宽苟初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT2.现在完成时可以用来表示发生在过去某一时刻一直持续到现在的动作和状态,常与表示持续的时间状语连用.表示持续动作或状态的动词多是延续性动词。Ihaven’tseenherthesedays.Maryhasbeenillforthreedays.Ihavelivedheresince1998.兜放赶碰烙刊涝酱毁族吾席夕互衡惕汽啥乙逝咬纶州田董麻型峦立前肝抒初中英语语法现在完成时精讲PPT初中英语语法现在完成时精讲PPT3.现在完成时往往同表示不确