2019年春八年级英语下册 Unit 10 I’ve had this bike for three

Unit10I'vehadthisbikeforthreeyears.单元语法聚焦十单元语法聚焦十语法精讲语法精练Unit10I'vehadthisbikeforthreeyears.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。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。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。如：WehavelivedinBeijingforthreeyears.我们已经住在北京三年了。单元语法聚焦十3．since和for的相互转换：(1)since＋一段时间＋ago＝for＋时间段如：Ihavekeptthebooksincetwoweeksago.＝Ihavekeptthebookfortwoweeks.(2)since＋时间点＝for＋时间段如：It's10o'clocknow.Ihavebeenheresince8o'clock.＝It's10o'clocknow.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.A．joined;wasB．wasjoined;amC．havejoined;havebeenD．joined;havebeenD单元语法聚焦十语法精练()2.2018·桂林Daming_____inthisplacesincetwoyearsago.A．havelivedB．haslivedC．lives()3.2018·武汉—Doyoustillplaybasketball?—Oh,no.I________itforthepasttwoyears.A．haven'tplayedB．didn'tplayC．won'tplayD．hadn'tplayedB单元语法聚焦十A()4.2017·乐山—I'msorryforbeinglate.—Nevermind.Themeeting________foronly5minutes.Thisway,please.A．hasbegunB．hasendedC．hasbeenon()5.2018·龙东—Hurryup,themovieWolfWarriorⅡ______for10minutes.—OK,I'mcomingrightnow.A．beganB．hasbegunC．hasbeenon单元语法聚焦十CC()6.2018·上海ThefilmOperationRedSea_____alotofpraisesinceitsfirstshowmonthsago.A．winsB．winC．willwinD．haswon单元语法聚焦十D()7.2017·北京Lilyismyclassmate.We______eachothersinceshecametoourschool.A．knowB．knewC．haveknownD．willknow【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.A．hasleftB．hasgoneC．leftD．hasbeenaway单元语法聚焦十D【解析】考查动词的时态。句意：“简，你的叔叔在哪里？”“他在广州。他已经离开一个月了。”根据语境可知，题空处用现在完成时；根据“foramonth”可知，题空处不能用短暂性动词。故选D。