英语人教版八年级下册Unit10课件.pptx

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1、SectionA（GrammarFocus-4c）Unit10I’vehadthisbikeforthreeyears.ObjectivesTolearntheusageofforandsinceToreviewthepresentperfecttenseTolearnnewword:hometownHeisfull.Theboyhashadabigbreakfast.1.过去某一时间点发生的动作对现在产生影响。功能：ReviewShehaslearnedEnglishforsixyears.2.过去某一时间点发生的动作

2、持续到现在或还将持续下去。基本结构Thepresentperfecttensehave/has+done助动词（可以帮助构成肯定、疑问和否定句）Keywordsyeteverneversinceforjustbeforealreadysofartwice也可以是其他表示次数的词…Tom___________inthefactorysinceheleftschooltenyearsago.(work)Keywordshasworkedsincesince后面带过去时间或一般过去时的句子forfor+一段时间A:Howlon

3、g______you______inthisschool?(teach)B:For20years.havetaught1.—Howlonghaveyoulivedhere?—I’velivedhere____twentyyears.2.Yes,I’vebeenhere_____1976.3.Hehasjustboughtanewhouseinthecity,butever_____hemovedin,hehashadtroublewithcarsandtheirowners.4.Wehaven’tseeneachothe

4、r______lastweek.5.MyparentsandIhavebeeninHongKong____twodays.goReady?Grammar6.—Howlonghaveyouhadthatbikeoverthere?—I’vehaditthreeyears.7.Jeffhashadhisbikemorethan10years.8.Yes,I’vehaditsevenyears.9.Amyhashadherfavoritebookthreeyears.10.Amyhashadthetoybearshewasab

5、aby.注意：1.since+点时间，for+段时间，如：sincelastweek,fortwodays。2.短暂性动词(come,go,leave,buy…)可以用于现在完成时。但不能用于带有for或是since的肯定句。HehasleftBeijingforaweek.HehasnotleftBeijingyet.(×)(√)Rewritethesentencesusingfororsince.(4a)1.JimisinJapan.Hearrivedtherethreedaysago.JimhasbeeninJap

6、anforthreedays.2.Theyareveryhungry.Theirlastmealwastenhoursago.Theyhavenoteatenfortenhours.Theyhavebeenveryhungryfortenhours.×(Althoughtheirlastmealwastenhoursago,itisn’tlogicalthattheygothungryimmediatelyaftertheyhadtheirlastmeal.)Exercises3.Ihaveacamera.Ibought

7、itin2009.Ihavehadacamerasince2009.4.IknowAnna.Ifirstmetherthreeyearsago.IhaveknownAnnaforthreeyears.5.Lindaisill.ShebecameillonMonday.LindahasbeenillsinceMonday.Fillintheblankswiththecorrectformsoftheverbsinbrackets.(4b)I_______________(neverbe)tothewaterparkbefo

8、re.Iwantto_____(go)nextmonthbeforetheweathergetstoocold.2.They_________________(neverown)anypets,butthey__________________(alwayswant)tohaveadog.3.We__________