八年级英语下册Unit10Ivehadthisbikeforthreeyears（第3课时）(GrammarFocus-4c)同步语法精讲精练课件（新版）人教新目标版(1).ppt

第三课时 GrammarFocus 4c 单元同步语法精讲精练 Unit10I vehadthisbikeforthreeyears 现在完成时表示从过去某一时刻延续到现在的动作或状态 常与for since引导的时间状语连用 for 一段时间 since 过去时间点或从句 从句的谓语动词用过去式 eg Ihavelivedherefortwentyyears 我住在这里已有20年了 Wehavebuiltmanyfactoriessince1985 自1985年以来 我们建了许多工厂 HehasalwayshelpedmewithmyEnglishsincehecamehere 自从他到这里以后 他总是帮助我学习英语 有的动词所表示的动作不是瞬间就可以完成的 要持续一段时间 这样的动词叫延续性动词 不能延续下去的动词 叫非延续性动词或瞬间动词 如 buy borrow等 这些动词在完成时中可改为相应的表示延续性的词或短语来与表示一段时间的状语连用 如 buy have borrow keep come be join be die bedead begin beon等 eg Hejoinedthearmytwoyearsago 他两年前就参军了 Hehasbeeninthearmyfortwoyears 他在部队已经两年了 Hehasbeenasoldierfortwoyears 他成为一名战士已经两年了 一 根据句意 选用for或since完成句子 1 I veknownhimfouryears 2 We velivedhereIwasachild 3 She swaitedforhimtwenty fiveminutes 4 They vebeenmarried1988 5 It sbeenthreeyearsIleftmyhometown for since for since since 二 用所给单词的适当形式填空 6 I be atworksinceeighto clock butI mleavingsoon 7 We notmeet eachotherforfiveyears Bothofus leave thefactoryfiveyearsago 8 I wait attherestaurantforanhour andthenIleft 9 Wemustgetanewcar We have thisonefortenyears 10 Children nevervisit theGreatWallbefore Theirparents take themtherenextmonth havebeen haven tmet left had waited havehad havenevervisited willtake 三 单项选择 11 haveyoubeeninthesportsclub SincethefirstmonthIcametotheschool A HowoldB HowlongC HowmuchD Howsoon12 Myparents ourhomeforafewhourswhenIarrived Ididn tmeetthem A hadbeenawayfromB hadleftC havebeenawayfromD haveleft B A 13 Ivisitedhimthreedays ButhehasgonetoShanghaiaweek A ago agoB before beforeC before agoD ago before14 I mlookingafterTomtoday He sbeeninmyhouse 8 00thismorning A atB forC sinceD till15 Lookatthesestamps I themfor5years Wow theyarewonderful A keptB havekeptC haveboughtD bought D C B 四 根据汉语意思完成句子 16 到目前为止 迈克已经唱了五首歌 Mikefivesongs 17 格林夫人还没有收到她女儿的信 Mrs Greentheletterfromherdaughter 18 两年前我就买了这块手表 Ithiswatchtwoyearsago Ithiswatchsincetwoyearsago hassung sofar hasn treceived yet bought havehad 19 他2012年搬到了法国 HetoFrancein2012 HeinFranceforaboutfouryears 20 一周前我借了这