Unit10SectionAGrammarFocus–4c课件人教版英语八年级下册

Unit10I’vehadthisbikeforthreeyears.SectionA(GrammarFocus–4c)nolonger/not…any

longergrowupasfor

juniorhighschool

partwith

tobehonest

clearout不再，不复长大；成熟；成长

至于；关于初级中学放弃、交出(尤指不舍得的东西)说实在的

清理Lead-in11.Fillintheblanks.I

______________thehighestmountainsI___________throughthefieldsOnlytobewithyou~I___________I___________I___________thesecitywallsThesecitywallsOnlytobewithyouButIstill________________WhatI’mlookingforhaveclimbedhaverunhaverunhavescaledhaven’tfoundhavecrawledthepresentperfecttenseLookatthepicture.Doyouhaveanythingyoudon’tneed?Howlonghaveyouhad/ownedthem?Howlonghaveyouhadthatbikeoverthere?I'vehaditforthreeyears.Howlonghashissonownedthetrainandrailwayset? He’sowneditsincehisfourthbirthday.Haveyoueverplayedfootball?Yes,IdidwhenIwaslittle,butIhaven'tplayedforawhilenow.翻译：GrammarFocus你拥有那边那辆自行车多久了？我已经拥有它三年了。他的儿子拥有那套火车和铁路铁轨的玩具多长时间了？自从他的4岁生日起，他就拥有它了。你曾经踢过足球吗？是的，我小的时候踢过，但是现在我已经有一段时间不踢了。Howlonghaveyouhadthatbikeoverthere?I’vehaditforthreeyears.Howlonghashissonownedthetrainandrailwayset?He’sowneditsincehisfourthbirthday.Haveyoueverplayedfootball?Yes,IdidwhenIwaslittle,butIhaven’tplayedforawhilenow.have/has+动词的过去分词GrammarFocusGrammarFocus

I’vehaditfor

threeyears.

He’sowneditsince

hisfourthbirthday.

I’velearnedEnglishfor

twoyears.Whatcanyoufind?Hehaslearnedabout5000Englishwordssincehewenttocollege.for+时间段for+时间段since+过去的时间点since+过去时的从句since+过去时的从句/过去时间点for+时间段Canyousummarizetherule?Howtoanswer?Ihaven’tplayedfor

awhilenow.for+时间段GrammarFocusWhatdidyoufindout?Howlonghaveyouhadthatbikeoverthere?I'vehaditforthreeyears.Howlonghashissonownedthetrainandrailwayset? He’sowneditsincehisfourthbirthday.Haveyoueverplayedfootball?Yes,IdidwhenIwaslittle,butIhaven'tplayedforawhilenow.共同点:常用于现在完成时态(动词使用延续性动词)提问用Howlong不同点：1)for+一段时间，表示“持续了…”2)since+过去时间点，表示“自从...”3)Since+...ago4)since+过去时态句子Presentation21.概述表示过去发生的动作或状态对现在造成的影响或结果；表示从过去开始一直持续到现在的动作或状态。Doyoustillremembertheconcept?Presentation2(1)肯定句结构：主语+have/has+过去分词+其他。(2)否定句结构：主语+haven't/hasn't+过去分词+其他。(3)一般疑问句结构：Have/Has+主语+过去分词+其他？回答：肯定Yes,主语+have/has./否定No,主语+haven't/hasn't.(4)特殊疑问句结构：特殊疑问词+have/has+主语+过去分词+其他？Whataboutthestructure?2.句式结构及回答总结：在以下的现在完成时的句型中，短暂性动词要转换成延续性动词howlong,for或者since搭配使用现在完成时中的动词有什么特点Discussiontime2:1....for+一段时间

2....since+过去的时间点3....since+一段时间+ago4.since+从句（一般过去时态）5.Howlong引导的问句Presentation2现在完成时表示动作或状态从过去某时开始，一直延续至今，还可能继续下去。since和for是现在完成时当中常见的标志词。since“自从……”，for“持续了……”。since用来说明动作的开始时间，for用来说明动作延续的时间长度。(1)since后面可以接表示过去的时间点，也可以接表示过去的从句；表示动作或状态从过去某一时间开始直到现在的一段时间。例如：TonyhastaughtEnglishinourschoolsincelastyear.自从去年，托尼就在我们学校教英语。3.for和

since

Presentation2TonyhastaughtEnglishinourschoolsincehecametoChinalastyear.自从去年来到中国，托尼就在我们学校教英语。(2)for后面可以接一个表示时间段的短语，表示动作或状态延续多长时间。例如：WehavelivedinBeijingforthreeyears.我们已经住在北京三年了。ShehasstudiedEnglishforfiveyears.她已经学习英语五年了。Theyhavewaitedforthebusfortwentyminutes.他们已经等公交车二十分钟了。Hehasplayedthepianoforanhour.他已经弹钢琴一个小时了。含有for或since引导的时间状语:1.现在完成时2.延续性动词

①

将非延续性动词转化为“be+形容词/副词”begin/startfinishleavebecomearrivediebeonbeoverbebeawaybeinbedead含有for或since引导的时间状语:1.现在完成时2.延续性动词

②

非延续性动词可以转化为意思相同的延续性动词buyborrowmeethavekeepknowRewritethesentencesusingfor

or

since.JimisinJapan.Hearrivedtherethreedaysago.2.Theyareveryhungry.Theirlastmealwastenhoursago.Theyhavenoteatenfortenhours.JimhasbeeninJapanforthreedays.做题时，先确定每个句子的谓语部分结构，再确定每个句子的时间状语，最后再写出完整的句子。3.Theboyhasatoygun(玩具枪).Hismotherboughtitforhimin2022.Theboyhashadatoygunsincehismotherboughtitforhimin2022.4.IknowAnna.Ifirstmetherthreeyearsago.5.Lindaisill.ShebecameillonMonday.IhaveknownAnnaforthreeyears.LindahasbeenillsinceMonday.4bFillintheblankswiththecorrectformsoftheverbsinbrackets.1.I_______________(neverbe)tothewaterparkbefore.Iwantto_______(go)nextmonthbeforetheweathergetstoocold.2.They________________(never

own)anypets,butthey_________________(alwayswant)tohaveadog.3.We____________(have)apianosincelastNovember.We___________(buy)itfromtheLifamilywhentheymovedtotheUSlastyear.haveneverbeengohaveneverownedhavealwayswantedhavehadbought4.CathyandAmy__________________(notbe)backtotheirhometown

fortwoyears.They___________(miss)theirhometownalotandhopetovisittheplacenextyear.5.Thismuseum_____________(be)hereforover20years.It______(be)oneoftheoldestbuildingsinthissmalltown.havenot/haven’tbeenmisshasbeenisn./'həʊmtaʊn/Presentation4c.Fillinthequestionsandasktwostudents.Thencompletethechart.1.Doyouhavea(n)______________?Howlonghaveyouhadit?2.Doyouowna(n)_______________?Howlonghaveyouownedit?ThingsHowlongTonyfavoritebookfortwoyearsbasketballsincehewas10yearsoldStudent1Student2MakeasurveyForexample:MyfriendJennyhasatrainset.Shehasowneditsinceshewastwoyearsold.MyclassmateTonyhasafootballT-shirt.Hehashaditforthreeyears.……Summaryforsince1.since+过去的时间点since19991.for+一段时间for8years2.since+一段时间+agosince23yearsago3.since能引导时间状语从句(主现从过)，而for则不能。HehastaughtheresincehecametoChina.注意1.for和since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。Ihaven’tseenhimforalongtime.Ihaven’theardfromhersincesheleft.2.二者可以转换for+一段时间=since+一段时间+agoHehasbeenhereforfiveweeks.=Hehasbeenheresincefiveweeksago.Summary一用括号内所给单词的适当形式填空。1．We____________(notsee)eachothersinceI___(leave)theuniversity.2．Thehospital___________(be)herefor10years.It____(be)thetallestbuildinginourcity.3．She__________________(neverbe)totheamusementparksincetwoyearsago.Herparents__________(take)hertherenextweek.4．Idon'twanttogiveawaymyfootballshirtsalthoughI______________