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

Unit10

I'vehadthisbikeforthreeyearsSectionAGrammarFocus－4ctoydogtoypandatoybearDoyouhavethemathome?Howlonghaveyouhadthe…?Ihavehad…for…years./since…yearsago.for+时间段；since+过去的时间点，是现在完成时的标志词。magazinecapvaseHowlonghaveyouhadthe…?Ihavehad…for…years./since…yearsago.GrammarFocusHowlonghashissonownedthetrainandrailwayset?Howlonghaveyouhadthatbikeoverthere?I’vehaditfor

threeyears.Haveyoueverplayedfootball?He’sowneditsince

hisfourthbirthday.Yes,IdidwhenIwaslittle,butIhaven’tplayedfor

awhilenow.Howlonghaveyouhadthatbikeoverthere?I’vehaditforthreeyears.Howlonghashissonownedthetrainandrailwayset?He’sowneditsincehisfourthbirthday.Haveyoueverplayedfootball?Yes,IdidwhenIwaslittle,butIhaven’tplayedforawhilenow.for+一段时间for+一段时间since+过去的时间点Howlonghaveyouhadthatbikeoverthere?I’vehaditforthreeyears.Howlonghashissonownedthetrainandrailwayset?He’sowneditsincehisfourthbirthday.Haveyoueverplayedfootball?Yes,IdidwhenIwaslittle,butIhaven’tplayedforawhilenow.用什么疑问词来询问拥有某物品的时间？询问拥有时间的疑问词用howlong。Howlonghaveyouhadthatbikeoverthere?I’vehaditforthreeyears.Howlonghashissonownedthetrainandrailwayset?He’sowneditsincehisfourthbirthday.Haveyoueverplayedfootball?Yes,IdidwhenIwaslittle,butIhaven’tplayedforawhilenow.现在完成时的特殊疑问句结构是什么？疑问词（不作主语）+have/has+主语+过去分词+其他成分?1.Ihaveownedthetoybear____morethansixyears.2.Hehasworkedasapoliceman____tenyears.3.Theyhaveworkedhere______June.4.ShehasstudiedEnglish______shewasfive.5.We’veknowneachother______wewereprimaryschoolstudents.Fillfororsinceintheblanksforforsincesincesince现在完成时（三）1.现在完成时的“未完成用法”。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。这种用法称为“未完成用法”。此时常与for或since引导的时间状语(从句)连用。“未完成”的句式：（1）现在完成时+for+一段时间例：我好久没有见到她了。Ihaven’tseenherforalongtime.（2）现在完成时+since+表示过去的时间点

例：自1984年以来，史密斯先生就在这里工作。Mr.Smithhasworkedheresince1984.（3）现在完成时+since+从句

例：自上大学以来他学了大约5000个英语单词。Hehaslearnedabout5000Englishwordssince

hewenttocollege.谓语动词用延续性动词，可以用howlong提问。2.延续性动词与非延续性动词(1)延续性动词表示经验、经历；非延续性动词表示行为的结果。非延续动词不能与表示一段时间的状语连用。有些非延续性动词可以用延续性动词替换并用在现在完成时中。非延续性动词（短语）与延续性动词（短语）

的转换：①直接转换成延续性动词buy→have borrow→keep puton→wearcatchacold→haveacold例：Shecaughtacoldthreedaysago.=Shehashadacoldforthreedays.②转换成“be＋形容词/副词/介词/名词”等come/arrive/go→bein/at begin/start→beonfinish/end/stop→beover open→beopendie→bedead leave→beawayclose→beclosed fallasleep→beasleepfallill→beill become→bejoin→beamemberof/beincomeback→bebackgotoschool→beastudent例：Theygotmarriedtwoyearsago.=Theyhavebeenmarriedfortwoyears.4aRewritethesentencesusingfororsince.1.JimisinJapan.Hearrivedtherethreedaysago.____________________________________________2.Theyareveryhungry.Theirlastmealwastenhoursago.____________________________________________3.Ihaveacamera.Iboughtitin2009.____________________________________________Theyhavenoteatenfortenhours.Ihavehadacamerasince2009.JimhasbeeninJapanforthreedays.

一直待在日本4.IknowAnna.Ifirstmetherthreeyearsago.________________________________________________5.Lindaisill.ShebecameillonMonday.________________________________________________IhaveknownAnnaforthreeyears.LindahasbeenillsinceMonday.4bFillintheblankswiththecorrectformsofthewordsinbrackets.I_______________(neverbe)tothewaterparkbefore.Iwantto_______(go)nextmonthbeforetheweathergetstoocold.They________________(neverown)anypets,butthey___________________(alwayswant)tohaveadog.We____________(have)apianosincelastNovember.We________________(buy)itfromtheLifamilywhentheymovedtotheUSlastyear.haveneverbeengohaveneverownedhavealwayswantedhavehadboughtCathyandAmy__________________(notbe)backtotheirhometownfortwoyears.They___________(miss)theirhometownalotandhopetovisittheplacenextyear.Thismuseum_____________(be)hereforover20years.It______(be)oneoftheoldestbuildingsinthissmalltown.havenot/haven’tbeenmisshasbeenis

n.家乡；故乡4cFillinthequestionsandasktwostudents.Thencompletethechart.1.Doyouhavea(n)_________?Howlonghaveyouhadit?2.Doyouowna(n)__________?Howlonghaveyouownedit?studentsThingsHowlongTonyfavoritebookfortwoyearsbasketballsincehewas10yearsoldstudent1student2现在完成时forrsincerfor/sincer后接时间段r后接时间点rfor+一段时间

=since+一段时间+agor后跟延续性动词根据汉语意思完成句子，每空一词。1.我不想交出我的玩具。Idon’t

want

to

__________mytoys.2.妈妈已经从房间里清理出了一些旧东西。Mom_____already_____________someoldthingsfromtheroom.partwithhasclearedout3.我已经在那所中学里踢了一段时间的足球。Ihaveplayedsoccer______________inthe