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1、Grammarandusage M2U1 Presentperfecttense Presentperfectcontinuoustense Revision translatethefollowingsentences 1 美国警方现已加紧对一名15岁男孩的搜索 2 自从上周五晚我就没有看到贾斯丁 3 该事件引起了公众的极大兴趣 原因是 Thisincidenthasreceivedgreatinterestduetoreportsofalienvisits PeopleinAmericahavesteppeduptheirsearchforafifteen year oldboy Ihav
2、enotseenJustinsincelastFridaynight Presentperfecttense 一 现在完成时 现在完成时表示动作发生在过去 对现在产生一定影响 造成一定结果 主要为短暂性动词 可以从以下三个方面来理解 1 过去发生的动作 对现在有影响 现在完成时 常同already just yet等词连用Shehaslostherbike 她把自行车丢了 影响是她现在没有自行车骑了 Shehashadagoodeducation 她受到过良好的教育 影响是她文化水平高 有修养 2 从过去持续到现在的动作 延续性动词或表状态的形容词 时间段 since sofar 从过去到现在
3、inthepast fewyears 从过去到现在的几年注意 inthepast过去 一般过去时 现在完成时 常同包括现在在内的时间状语连用 如 today now thisweek thismorning thesedays thisafternoon recently 等 IhavemadelotsoffriendssinceIcametoChina Hehasn tboughtsnacksinSizhongSupermarketforalongtime 注意 可持续的动作 时间段 短暂性动词与一段时间连用多用于否定句 DavidandVicky married Foraboutthree
4、years A Howlongwere beingB Howlonghave gotC Howlonghave beenD Howlongdid get 现在完成时 3 从过去某一时间到说话时这段时间中反复发生的动作或多次动作的总和 常同频度副词always often seldom never等连用IhavebeentotheGreatWalltwice Ithasrainedeverydaythisweek Shehasalwayswalkedtoschool Ihaveneverseensuchabeautifulbird 对现在完成时的考查 1 现在完成时表示过去的动作对现在的影响或表
5、示经验 过去发生的动作与现在没有联系仍用过去时 2 现在完成时表示过去的动作一直延续至今 常与for或since等短语连用 I graduate in1993andinthatyearI begin toteachEnglishinamiddleschool I teach thereforfiveyears Fiveyearslater I move toNanjing I teach seniorEnglishinSunshineHighSchoolfornearly9yearseversincethen graduated began taught moved havetaught ha
6、vebeenteaching 现在完成时 Excuseme I Iwasblockingyourway A didn trealizeB don trealizeC haven trealizeD wasn trealizing 1 Excuseme I Iwasblockingyourway A didn trealizeB don trealizeC haven trealizedD wasn trealizing 2 I inLondonformanyyears butI veneverregrettedmyfinaldecisiontomovebacktoChina A livedB
7、havelivedC hadlivedD wasliving 现在完成时 have hasgonetosp 区别是什么 have hasbeentosp M Whereisyourfather Jack S He tothefarm M Wherehaveyoubeen F I tothefarm hasgone havebeen 用现在完成时的典型场合 It This Thatisthefirst second third time that从句It This Thatistheonly that从句It This Thatisthe 最高级 that从句 用现在完成时的典型场合 It Th
8、is ThatisthefirsttimethatIhavecometoZhejiang It This ThatistheonlypartythatIhaveeverreallyenjoyedinmylife It This ThatisthemostinterestingbookthatIhaveeverread 注 以上句型把is改为was 则从句时态相应改为过去完成时态 Thisisthefirsttimewe afilminthecinematogetherasafamily A seeB hadseenC sawD haveseen 1 汤姆已经结婚10年了 Tomhasbeenm
9、arriedfortenyears 2 她肯定累了 因为她一天一直在跳舞 Shemustbetired forshehasbeendancingallday 这是什么时态 TheCCTVhasbeenbroadcastingEnglishprogramseversince1977 构成 have hasbeen doing概念 表示从过去某一时刻发生的动作 可能刚刚结束 也可以一直延续到现在 并且还可能继续下去 对现在完成进行时的考查 用现在完成进行时的典型场合 常和allthemorning allnight allday allthistime thisweek thismonth等连用
10、Theboystartedhavingdinnerfiveminutesago Heisstillhavingdinnernow Theboy have dinnersincefiveminutesago hasbeenhaving 1 现在完成进行时 Themanstartedworkinginthefieldhalfanhourago Heisstillworkingnow Theman work inthefieldforhalfanhour hasbeenworking Adventures 1 We vespenttoomuchmoneyrecently well itisn tsu
11、rprising Ourfriendandrelatives aroundallthetime A arecomingB hadcomeC werecomingD havebeencoming Adventures 2 Ihavegotaheadache Nowonder You infrontofthatcomputertoolong A workB areworkingC havebeenworkingD worked 3 CathyistakingnotesofthegrammaticalrulesinclassatSunshineSchool whereshe Englishforay
12、ear A studiesB studiedC isstudyingD hasbeenstudying 4 Nowthatsheisoutofajob Lucy goingbacktoschool butshehasn tdecidedyet A hadconsideredB hasbeenconsideringC consideredD isgoingtoconsider 5 Weonthisprojectforfourhours Let shavearest A areworkingB havebeenworkingC workedD hadworked 现在完成进行时 Ihavebeen
13、doing VS 现在完成时 Ihavedone Hehasbeenpaintingtheceiling Shehaspaintedtheceiling 现在完成进行时与现在完成时的区别如下 1 现在完成时与现在完成进行时Ihavewrittenanarticle Ihavebeenwritinganarticle 2 有些延续性动词 如live teach work study learn stay等因现在完成时与现在完成进行时差别不大 Ihavelivedherefortenyears Ihavebeenlivingherefortenyears Notes 表短暂动作的动词 finish
14、 marry getup come go等 一般不能用现在完成进行时 强调 已完成性 强调 持续性 尚未完成 1 Uptonow theprogram thousandsofchildrenwhowouldotherwisehavedied A wouldsaveB savesC hadsavedD hassaved 2 Igotcaughtintherainandmysuit A hasruinedB hadruinedC hasbeenruinedD hadbeenruined 3 Hi Tracy youlooktired Iamtired I thelivingroomallday A paintedB hadpaintedC havebeenpaintingD havepainted 4 Whenyouarehome giveacalltoletmeknowyou safely A arearrivingB havearrivedC hadarrivedD willarrive 5 Mary toeveningclassessincelastmonth buthestillcan tsay What syourname inRussian A hasbeengoingB wentC goesD hasgone Thankyou
