Unit1Topic2Whichcountryhasthelargestpopulation?会盟一中王鲜红Learningaims一、掌握本话题单词及主要短语。二、能熟练运用so/neither+助动词+主语so+主语+助动词分数表达法population相关用法三、能熟练运用现在完成时。四、TalkaboutthepopulationproblemStep1haveacompetitionIrregularverbs(不规则动词)过去式、过去分词大比拼基础过关Step2•1.2.8.3.7.4.65.belongtoadevelopingcountrybecauseofbeshortofkeepupwithtakemeasurestodosthcarryoutsofarCanyouwriteacompositionwiththem?你会运用么？1.so/neither+助动词+主语so+主语+助动词2.分数表达法3.population相关用法Step3so+助动词+主语：neither+助动词+主语：so+主语+助动词：例如：IcanspeakEnglish,__________.(Tom也会)Ican’tspeakEnglish,_______________(Tom也不会)A:TomspeakEnglishwell.B:________________.HecomesfromEngland.socanTomneithercanTomSohedoes2016新乡A:Davidhasmadegreatprogressrecently.B:________,and___________.Asohehas;soyouhaveBsohehas;sohaveyouCsohashe;sohaveyouDsohashe;soyouhaveB分数表达法三分之一onethird三分之二twothirds四分之三threefourths/quarters你能发现规律吗？2011甘肃Ithink___ofthematerialsIlistenedtoatthebeginningoftheexam____easy.Athreefourths;isBthirdfour;areCthreefourths;areDthreefourth;areC分数表达法population用法修饰人口“多”用_____,“少”用_____。population作主语，谓语动词常用____。提问人口数量，疑问词用______。largesmall单数whatThepopulationoftheworldinthe20thcenturybecamemuch______thanthatinthe19thcentury.AlargerBgreaterCmoreAStep4Presentperfect（现在完成时）一、现在完成时的用法及构成1.Ihavejustcalledyou,butyouweren’tin.2.Shehaslivedhereforthreeyears.过去发生或已完成的动作对现在造成的影响或结果。过去发生的动作一直持续到现在。构成：have/has+过去分词二、常见的标志词有哪些呢？justalreadyyeteverneverbeforesincefor+一段时间，inthepastfewyears,sofar,inrecentyears,once/twice…I_______never_______ofthissingerbefore.(hear)？三、你会区分吗？ABhave/hasbeento…去过某地，已回ABhave/hasgoneto…去了某地，未回have/hasbeenin…+一段时间某人在某地多长时间1.A:Idon’tfeelwell.Ihaveacold.B:____you____tothehospital?A:Yes,Ihave.2.A:Whereisyourmother?B:She_____________themarket.3.I________________Beijingforfiveyears.hasgonetohavebeeninHavebeen四、already/yetIhavealreadyfinishedmywork.Haveyoufinishedyouworkedyet?Ihaven’tfinishedmyworkyet.already常用于肯定句中间或句尾。yet用于疑问句和否定句句尾。since/for?sincetwodaysago=fortwodayssincelastyear=foroneyearThecityhasimprovedalotsinceIcamehere.since+过去的时间点一般过去时的从句for+一段时间五、短暂性动词与延续性动词的互换短暂性动词的完成时态不能和表示一段时间的时间状语连用。如果连用，则应转化为延续性动词。Ihave_________thebookfortwoweeks.(borrow)kept六、现在完成时和一般过去时的区别1.She__________heresince1990.(live)2.She_______herein1990.(live)lived你能区分吗？haslivedStep5反馈矫正1.—Hello,mayIspeaktoMrSmith?—Sorry,heisn’tin.He_______theoffice.（2017.福建）AhasbeentoBhasgonetoChasbeenawayDhasbeenin2.I___thisbookfortwoweeks.Ihavetoreturnitnow.（2016.河北）AborrowBhaveborrowedCkeptDhavekept3.—HaveyouknownDr.Jackonforalongtime?—Yes.Sincehe_______theChineseSociety.（2015.新乡）AhasjoinedBjoinsChadjoinedDjoined4.MissGaoisn’there.She____tothebusstationtomeetJim.（2014.重庆）AgoBhasgoneChasbeenDwouldgo5.—I’dliketointroducemybestfriendtoyou,Peter.—Thankyou,Lucy.Butwe____already.（2014.河南）AmeetBmetCwillmeetDhavemetBDDBD
