搜索
-1-SectionⅢGrammar——现在完成进行时语境自主领悟先观察原句后自主感悟1.In1996,ImovedtoCanadawithmyhusbandandIhavebeenlivingtheresincethen.2.LiuFanghasbeenplayingthepipaforthelastthreehours.3.She'sbeenperformingconcertseverydaysincelastmonth.4.Theyhaveknowneachothersincechildhood.5.IhavetraveledtomostofthecitiesinChinasincefiveyearsago.1.句1、句2和句3用了现在完成进行时；句4和句5用了现在完成时。2.由左栏各句可知，现在完成进行时的构成为：have/has＋been＋动词的现在分词形式；现在完成时的构成为：have/has＋动词的过去分词形式。一、现在完成进行时1．构成have/has＋been＋动词的现在分词形式。2．用法(1)表示过去某一时刻发生的动作一直持续到现在，并有可能继续持续下去。Hehasbeenplayingcomputergamesallday.他一天都在玩电脑游戏。Ihavebeenworkingforthiscompanyforthreeyears.我在这个公司已工作三年了。(2)表示某一动作从过去开始，一直持续到说话时刚刚结束。Sorry!I'mlate.Howlonghaveyoubeenwaitingforme?对不起！我来迟了。你等了我多长时间？(3)表示一直到说话时为止的一段时间内一再重复发生的动作。Theteacherhasbeentellingustobecarefulalltheterm.这个学期，老师一直在告诉我们要细心。(4)表达较重的感情色彩。-2-Youhavebeendaydreamingbutnevermakeaneffort.你一直在做白日梦，但从不努力。3．时间标志现在完成进行时常与allthetime,allthemorning,thesefewdays,allnight等表示一段时间的状语连用。另外，如果表示某一动作的起点，可用since引导的短语或从句，如果表示某一动作的全部时间，可用for引导的短语。Hehasbeenhopingforaraiseinsalaryallthetime.他一直盼着加薪。Theyhavebeenquarrelingsincetwodaysago.自从两天前以来他们一直在吵架。[即时训练1]完成句子①Tomhasbeenworkinghard(一直在努力学习)sincethenewtermbegan.②Ihavebeenplayingfootball(一直在踢足球)allthemorning,soI'msweatingheavily.二、现在完成进行时和现在完成时的区别1．现在完成进行时强调动作的延续性；而现在完成时强调的是某个刚刚完成的动作，或某个过去的动作对现在的影响或产生的结果。Ihavebeenthinkingitover.我一直在仔细考虑。(延续性)Ihavethoughtitover.我已经仔细考虑过这件事了。2．现在完成进行时可以表示动作的反复性；现在完成时一般不表示动作的反复性。Haveyoubeenmeetinghimrecently?你最近经常见到他吗？(反复性)Haveyoumethimrecently？你最近见过他吗？3．现在完成进行时有时含有某种感情色彩；现在完成时一般表示平铺直叙。Ihavebeenwaitingforyoufortwohours.我一直等了你两个小时。(表示不满)Ihavewaitedforyoufortwohours.我已经等了你两个小时。[即时训练2]完成句子①Hehasdevelopedagoodhabit(养成了好习惯)ofindependentlearning.Nowonderheranksfirstineveryexaminhisclass.②NowthatLucyisoutofwork,shehasbeenconsideringgoingback(一直考虑回去)toschool,butshehasn'tdecided(未决定)yet.-3-Ⅰ.单句语法填空1．Ithasbeenraining(rain)foraweek.Howlongdoyouthinkitwilllast?2．Uptonow,thegiftedchildhaswon(win)threenationalprizesinmusic.3．Tomhasbeenworking(work)inthelibraryeverynightoverthelastthreemonths.4．Ididn'tgotoseethefilmlastweekbecauseIhadseen(see)ittwice.5．Ihavebeenlooking(look)forajobforthreemonths,andthisismyfirstformalinterview.6．Ihavebeenrepairing(repair)mywashingmachinethewholemorning.Imustgetitdonebeforelunch.7．IfirstmetLisathreeyearsago.Shewasworking(work)ataradioshopatthattime.8．Hehasbeencoughing(cough)alotrecently.Heoughttogiveupsmokingandgotoseeadoctor.9．Hehasbeenlistening(listen)toEnglishprogramssincehecametotheUS,sohehasmade(make)greatprogress.10．Ihaveknown(know)MissHugginsforseveralyears.Ihavebeenreading/amreading(read)herlatestnovel,butIhaven'tfinishedit.Ⅱ.单句改错1．Shehadbeenreadingallmorning;sheoughttohavearest.had→has2．It'sthethirdtimethatyouvisitedourschool.visited前加have3．Ihavebeenlookedformylostbookforthreedays,butIstillhaven'tfoundit.looked→looking4．Tomworkedinthecompanyfortenyearsandhedoesn'thavetheintentiontoleave.worked前加has5．Theboy'scoatisverydirtybecausehehadbeenplayinginthemudallthemorning.had→has6．Thereportswentmissingin2012andnobodyhadseenthemsincethen.had→has7．Mydogismissing.I'velookingforitrecentlyandstillhaven'tfoundit.looking前加been8．Sofar,Ihadbeenworkingaschiefeditorforhalfayear,whichhelpsmealotwithmyleadershipskills.had→have9．It'sthemostinstructivelecturethatIhaveattendedsinceIcometothis-4-school.come→came10．I'mtiredout.IhadbeenshoppingalltheafternoonandIdon'tseemtohavefinishedanything.had→have