2019年春八年级英语下册Unit10I’vehadthisbikeforthreeyears语法聚焦十练习课件新版人教新目标版.ppt

Unit10Ivehadthisbikeforthreeyears.,单元语法聚焦十,单元语法聚焦十,语法精讲,语法精练,Unit10Ivehadthisbikeforthreeyears.,since和for的用法,现在完成时常和since或for引导的时间状语连用，此时的谓语动词要用延续性动词。1since后面可以接表示过去的时间点，也可以接表示过去的从句。表示从过去某一时间开始直到现在的一段时间。如：TonyhastaughtEnglishinourschoolsincelastyear.自从去年，托尼就在我们学校教英语。,语法精讲,单元语法聚焦十,TonyhastaughtEnglishinourschoolsincehecametoChinalastyear.自从去年来到中国，托尼就在我们学校教英语。2for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。如：WehavelivedinBeijingforthreeyears.我们已经住在北京三年了。,单元语法聚焦十,3since和for的相互转换：(1)since一段时间agofor时间段如：Ihavekeptthebooksincetwoweeksago.Ihavekeptthebookfortwoweeks.(2)since时间点for时间段如：Its10oclocknow.Ihavebeenheresince8oclock.Its10oclocknow.Ihavebeenherefortwohours.,单元语法聚焦十,4常用的since句型：(1)since从句(常用一般过去时)如：TheGreenshavelivedinBeijingsincetheymovedtoBeijingfromParis.自从他们从巴黎搬到北京后，格林一家一直住在北京。(2)Itis/hasbeen一段时间since从句(常用一般过去时)如：Itis/hasbeentwoyearssincemybrotherjoinedthearmy.我哥哥参军已有两年了。,单元语法聚焦十,拓展短暂性动词在肯定句、疑问句中不能与时间段连用，如become,begin,buy,borrow,arrive,come,die,fall,finish,go,join,leave,marry等。为了表述这种意思，我们常用相应的延续性动词have,keep等来代替非延续性动词。如：Ihaveboughtthebookforaweek.()Ihavehadthebookforaweek.()我买这本书一周了。,单元语法聚焦十,()1.2018眉山Areyouabasketballplayerinyourschool?Yes.I_theteam3yearsago.I_initfor3years.Ajoined;wasBwasjoined;amChavejoined;havebeenDjoined;havebeen,D,单元语法聚焦十,语法精练,()2.2018桂林Daming_inthisplacesincetwoyearsago.AhavelivedBhaslivedClives()3.2018武汉Doyoustillplaybasketball?Oh,no.I_itforthepasttwoyears.AhaventplayedBdidntplayCwontplayDhadntplayed,B,单元语法聚焦十,A,()4.2017乐山Imsorryforbeinglate.Nevermind.Themeeting_foronly5minutes.Thisway,please.AhasbegunBhasendedChasbeenon()5.2018龙东Hurryup,themovieWolfWarrior_for10minutes.OK,Imcomingrightnow.AbeganBhasbegunChasbeenon,单元语法聚焦十,C,C,()6.2018上海ThefilmOperationRedSea_alotofpraisesinceitsfirstshowmonthsago.AwinsBwinCwillwinDhaswon,单元语法聚焦十,D,()7.2017北京Lilyismyclassmate.We_eachothersinceshecametoourschool.AknowBknewChaveknownDwillknow,【解析】考查动词的时态。根据从句“sinceshecametoourschool”可知，应该使用现在完成时。故选C。,C,()8.2017黄石Whereisyouruncle,Jane?HeisinGuangzhou.He_foramonth.AhasleftBhasgoneCleftDhasbeenawa