中考专项复习——现在完成时复习PPT课件

-,1,现在完成时复习,ReviewofthePresentPerfectTenseWelcome,-,2,时态,不同时间发生的动作，动词要用不同形式,-,3,已学习过的时态,1.v原形2.v+s/es（单三）,am/is/are+v-ing,1.will/shall+v原形2.am/is/aregoingto+v原形,1.v-ed（规则动词）2.不规则动词,was/were+v-ing,-,4,判断下列句子的时态,1.Sheworksinafactory.2.Iwasdoingmyhomeworkatthistimeyesterday.3.WearegoingtohaveapicnicthisSunday.4.Theyheldasportsmeetinglastweek.5.Areyouhelpingyourmother.,-,5,现在完成时表示到目前为止已经完成，并对现在留下某种后果和影响的动作。,-,6,现在完成时的构成：have/has+动词的过去分词,注：动词过去分词的构成分为规则变化和不规则变化，规则变化的动词过去分词与过去式是一样的，不规则变化的动词须特殊记忆。,-,7,规则动词过去分词的构成,1.一般在动词后直接加-ed,构成规则,2.以不发音的e结尾的动词，直接加-d,3.末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加-ed,4.结尾是“辅音字母+y”的动词，先变“y”为“i”再加-ed,例词,looklooked,playplayed,livelived,hopehoped,stopstopped,planplanned,studystudied,carrycarried,-,8,写出下列动词的过去分词：,worklikecrystaylearn,usehelpfinishcookarrive,worked,liked,cried,stayed,learned,used,helped,finished,cooked,arrived,-,9,不规则动词过去分词的构成,1.三个主要动词,is,ambeare,waswere,been,have/has,had,had,do/does,did,done,-,10,2.AAA型（三者一致）,cutcutcut,letletlet,putputput,costcostcost,readreadread,-,11,3.ABA型（过去分词与原形一致）,comecamecome,becomebecamebecome,runranrun,-,12,4.ABB型（过去分词与过去式一致）,bringbroughtbrought,findfoundfound,hearheardheard,keepkeptkept,makemademade,此外还有leave,win,tell,spend,say，meet等等。,-,13,5.ABC型（三者不一致）,eatateeaten,givegavegiven,writewrotewritten,seesawseen,getgotgotten,beginbeganbegun,此外还有go,take,know,speak,swim等等。,-,14,现在完成时的用法：,1.表示已完成的某一动作对现在造成的影响或结果,1）标志词:,already:yet:,多用于陈述句，位于have/has后，有时位于句末。,e.g.Ihavealreadyfinishedmyhomework.,用于疑问句和否定句，位于句尾。,e.g.Haveyoufoundyourlostbookyet?Ihaventhadbreakfastyet.,ever:never:,多用于疑问句，问初次经历。,e.g.HaveyoueverbeentoBeijing?,用于否定句，位于have/has后,e.g.Hehasneverarguedwithotherpeople.,-,15,just:before:,多用于陈述句，位于have/has后,e.g.Lucyhasjustwashedherclothes.,可用于各句式，位于句尾。,e.g.Ihavereadthisbookbefore.Hehasntbeenabroadbefore.HaveyouflowntoHainanbefore?,2）无标志词的：,e.g.Heisnotfeelingwellnow.Hehascaughtacold.Ihavelostthekey.Icantgointomyroom.,-,16,2.表示从过去已经开始，持续到现在的动作或状态。,标志词:,1）for+一段时间e.g.Wehavelivedinthiscityfortenyears.,2）since+过去点时间since+一段时间+agosince+从句（从句用一般过去式）e.g.Hehasworkedheresince1990.Shehastaughtinthisschoolsincetwoyearsago.Wehaveknowneachothersincewemet.,-,17,3）sofar,once/twice/threetimes,alloneslife,e.g.Theyhavelearnt2000wordssofar.Tomhasseenthefilmtwice.Herfatherhasworkedinthefactoryallhislife.,4）inthepast+一段时间duringthelast+一段时间,e.g.Theyhavebuiltmanyhighbuildingsinthepastthreeyears.,Greatchangeshavetakenplaceinmyhometownduringthelasttwoyears,-,18,3.have/hasbeentohave/hasgonetohave/hasbeenin,曾经去过某地,到某地去了,在某地呆了多长时间,1.A:WheresJim,LiLei?B:He_hisschoollibrary.2.TheGreens_Chinaforthreeyears.3.We_theGreatWalltwice.Itsverybeautiful.,hasgoneto,havebeenin,havebeento,-,19,试一试：1.A:Doyouwantapen?B:No,Idont.I_already_(buy)one.2._youever_(be)toParis?3.A:Whereisyourmother?B:She_(go)shoppingtoday.4.I_(notfinish)thehomeworkyet.5.LiLei_just_(give)thecakestoPolly.6.There_(be)greatchangesinRugaotheseyears.7.Myfather_(go)toBeijing.Heisntathome.8I_never_(be)toLondon?,have,been,Have,bought,hasgone,havebeen,given,has,haventfinished,hasgone,been,have,-,20,翻译下列句子,她曾经去过上海。,ShehasbeentoShanghaibefore.,他在上海10年了。,HehasbeeninShanghaifortenyears,他去上海了。,HehasgonetoShanghai.,-,21,.肯定句：主语have/has+过去分词其他成分。,现在完成时态的句式：,.否定句：主语have/has+not+过去分词其他成分。,3.一般疑问句：Have/Has+主语过去分词其他成分？,4.特殊疑问句：特殊疑问词have/has其他成分？,肯定句：Ihavecleanedmybedroom.,否定句：Ihaventcleanedmybedroom.,一般疑问句：Haveyoucleanedyourbedroom?,-,22,现在完成时和一般过去时的区别：,现在完成时，强调这一动作产生的结果对现在的影响，与现在有关。一般过去时，仅仅表示在过去某一时刻曾发生过这一动作，与现在无关。,HehasstudiedEnglishforfiveyears.,HestudiedEnglishforfiveyears.,（学习英语已经五年了，现在仍然在学）,（只说明他过去学过五年英语，但现在不学了。）,-,23,EXERCISE,He_(work)inourschoolforoneyear.2.He_(come)toourschoollastyear/in2002.3.They_(cook)thesupperalready.4.They_(cook)thesupperhalfanhourago.,hasworked,came,havecooked,cooked,-,24,1.HaveyoumetMrLi_？.just.ago.before.amomentago,2.Thefamouswriter_onenewbookinthepasttwoyear.iswriting.waswriting.wrote.haswritten,3.Ourcountry_alotsofar.Yes.Ihopeitwillbeeven_.haschanged;well.changed;good.haschanged;better.changed;better,4.HarryPotterisaverynicefilm.I_ittwice.willsee.haveseen.saw.see,-,25,5.Thesefar