现在完成时课件(2)

短暂性动词与时间段的关系,短暂性动词在肯定句、疑问句中不能与时间段连用，这些动词是：become,begin,buy,borrow,come(go,arrive),die,marryjoin,leave,等。,上一页,下一页,为了表述这种意思,我们常用相应的延续性动词来代替短暂性动词。,主菜单,但在否定句中，短暂性动词可以与时间段连用。如：Ihaventboughtthebikeforayear.我买这辆自行车还不到一年。Shehasntcomehereforanhour.她来这儿还没有一个小时。,上一页,下一页,主菜单,comebe,beginbeon,gettoknowknowborrowkeep,buyhave,catchacoldhaveacold，diebedead,marrybemarried,joinbein（beamemberof）leavebeaway(from),closebeclosed,open(v.)beopen(adj.)fallillbeill,下一页,上一页,主菜单,翻译练习：1.我买了这块手表五年了。2.这位老人已经死了十年了。,Ihaveboughtthiswatchforfiveyears.Ihavehadthiswatchforfiveyears/since5yearsago.,Theoldmanhasdiedfortenyears.Theoldmanhasbeendeadfortenyears/since10yearsago.,W,W,下一页,上一页,主菜单,3.他已经回来三天了。4.自从六点钟他就来这儿了。5.我离开家乡已十年了。,Hehascomebackfor3days.Hehasbeenbackfor3days/since3daysago.,Hehascomeheresince6oclock.Hehasbeenheresince6oclock.,Ihavelefthometownfor10years.Ihavebeenawayfromhometownfor10years.,W,W,W,下一页,上一页,主菜单,上一页,现在完成时练习,主菜单,Hedied10yearsago.-He_for10years/since10yearsago.2.Heborrowedthebook2weeksago.-He_thebookfor2weeks.3.Heboughtthemotorbikeamonthago.-He_themotorbikeforamonth.4.Hearrivedherethreedaysago.-He_heresincethreedaysago.5.Theyturnedonthelight2hoursago.-Thelight_for2hours.,延续性动词和瞬间性动词之间的转化,hasbeendead,haskept,hashad,hasbeen,hasbeenon,6.Helefthere2yearsago.-He_fromherefor2years.7.Thefilmbegan30minutesago.-Thefilm_for30minutes.8.Theyopenedthedooranhourago.-Thedoor_foranhour.9.Theyclosedthedooranhourago.-Thedoor_foranhour.10.Hejoinedthearmylastyear.-He_forayear.-He_thearmyforayear.-It_ayear_hejoinedthearmy.,hasbeenaway