現在進行時定義及結構定義現在進行時表示正在發(fā)生或進行的動作.結構be+動詞ing〔現在分詞〕句型結構句型肯定句：主語+be動詞+動詞ing+其他Theyarecleaningtheirclassroom.否定句：主語+be動詞+not+動詞ing+其他Sheisn'treadingnow.一般疑問句：Be動詞+主語+動詞ing+其他Look！Isabirdflyinginthesky？Yes,itis./No,itisn't.特殊疑問句：疑問詞+be動詞+主語+現在分詞+其它？Whatareyoustudying？口訣主語在前be在后,現在分詞跟著走,其他成分不可丟.變一般很簡單,把be提到句子前,否定句也不難,be后要把not添.還有一點要注意,動作提問doing替.現在進行時的用法用法用法例句1·說話的當刻正在發(fā)生的動作常見時間標志:now,atthemoment等Linda'sbrotheriswatchingTVnow.Whatareourparentsdoingatthemoment?2·現階段一直在進行的動作常見時間標志:thesedays,thisweek,thismonth等Thesedayswearehelpingthefarmersworkonthefarm.They'rehavingatestthisweek.MrChengisvisitingourvillagethismonth.3·表示說話人的情感當其與always,often,forever,continually,constantly等副詞連用時表示重復的動作,有極大的感情色彩,表示不滿或滿意Sheisperpetuallyinterferinginmyaffairs.她老是干預我的事.（不滿）Thestudentsaremakingprogressconstantly.學生們在不斷進步.（滿意）4·begoingto+動詞原形,這一句型表示即將發(fā)生的事或打算（準備）做的事,我們把它歸在將來時里了Iamgoingtopayavisitonhimtomorrow.5·現在進行時有時可用來表示一個在最近按計劃或安排要進行的動作,即是說可以用來代替將來時,但此時，一般要與表示將來的時間狀語連用,而且僅限于少量動詞.go,come,leave,start,arrive,return,sleep等Iamleavinglater.WeareleavingonFriday.AreyougoingtoTianjingtomorrow？Howmanyofyouarecomingtothepartynextweek？6·在句中出現了Look，Listen，Can'tyousee?等暗示詞時Look!MariaandTomaredancingunderthetree.Listen!OurEnglishteacherissingingtheEnglishsong.Manychildrenareswimmingintheriver.Can'tyousee?7·有的動詞用于現在進行時表示“逐漸”的含義.此種用法除了偶爾和now連用外,一般不和其他時間副詞連用.適合于此種用法的動詞有：bet/grow/become/turn/run/go變成,begin,forget,remember,die,finish,find,rise等Ourstudyisbecomingmoreinteresting.Theleavesareturningred.Thewarisending.Waitamoment;Iamfinishingmysupper.8·有的現在進行時句子和一般現在時同義.用現在進行時表示問者的關切心情.Howareyoufeelingtoday?（Howdoyoufeeltoday?）Iamlooking（look）forwardtoyournextvisit.Whyareyoulooking（doyoulook）sosad?9·“be”動詞的現在進行時.“be”動詞用于現在進行時表示說話者認為是短暫的、和平常不一樣的、甚至是偽裝的.適合于此種用法的有：foolish,nice,kind,careful細心的，patient,lazy,silly,rude,polite,impolite等表示人的特性、性格的形容詞（“be”動詞用于現在進行時表示人的行為,純粹表示心理或生理的狀態(tài)而不帶有行動時或主語不是人時,“be”動詞不能用于現在進行時）Heisbeingfoolish.他在裝傻Heisbeinghonest.他表現得特別老實Sheisbeingrude.她故意表現粗魯Ican'tunderstandwhyheisbeingsoselfish.我不明白此時他為何如此自私Iamhappy.（純粹的心理狀態(tài),不可用ambeing）He'stired.（純粹的生理狀態(tài),不可用isbeing）It'shottoday.（主語不是人,不可用isbeing）10.注意根據上下文的暗示，句子的謂語動詞可能應用現在進行時WhereisMrWang?Oh,heisreadinganewspaperintheoffice.11.在時間、條件狀語從句中,有時可用現在進行時代替一般將來時Whenyouarepassingmyway,pleasedropin.12.著名學者周海中教授曾經指出：作為表語時,英語介詞可以表示正在“進行”的動作Heisatwork..(他正在工作)Thehouseisonfire!(房子著火了)Theroadisunderconstruction.(路正在修)1.Selectingamobilephoneforpersonaluseisnoeasytaskbecausetechnology__________sorapidly.(NMET2001)A.ischangingB.haschangedC.willhavechangedD.willchange2．Idon’treallyworkhere．I_____untilthenewsecretaryarrives．A．justhelpoutB．havejusthelpedoutC．amjusthelpingoutD．willjusthelpout3．—Haveyoumovedintothenewhouse?—Notyet．Therooms_______．A．arebeingpaintedB．arepaintingC．arepaintedD．arebeingpainting4.---What’sthatterriblenoise?---Theneighbours______foraparty.（04北京）Ahaveprepared Barepreparing Cprepare Dwillprepare5.Listentothetwogirlsbythewindow.Whatlanguage___________?(05全國卷3)A．didtheyspeakB．weretheyspeakingC．aretheyspeakingD．havetheybeenspeaking6.SinceIwonthebigprize,mytelephonehasn'tstoppedringing.People_____toaskhowIamgoingtospendthemoney.（05湖南卷）A.phoneB.willphoneC.werephoningD.arephoning7.---HasSamfinishedhishomeworktoday?---Ihavenoidea.He______itthismorning.（04全國II）Adid Bhascome Cwasdoing Dhaddone8.Withmoreforestsbeingdestroyed,hugequantitiesofgoodearth_____eachyear.（05山東卷）A.iswashingawayB.isbeingwashedawayC.arewashingawayD.arebeingwashedaway9.Icanguessyouwereinahurry.You＿＿yoursweaterinsideout.A.hadworn B.wore C.werewearing D.arewearing10.Theywon’tbuynewclothesbecausethey＿＿moneytobuyacolorTVset.A.saveB.aresavingC.hassavedD.weresaving11.Thetrafficinourcityisalreadygoodandit＿＿evenbetter.A.gets B.got C.hasgot D.isgetting12.—Areyouavisitorhere?—That’sright.I＿＿roundtheworldandnowmydreamofcomingtoChina＿＿true.A.havetraveled；hascome B.wastraveling；hadbeencomeC.amtraveling；hascome D.havetraveled；hasbeencome13.Thechildren＿＿veryquiet；Iwonderwhatthey＿＿upto.A.were；arebeingB.arebeing；areC.are；do D.arebeing；do14.—What’sthematter?—Theshoesdon’tfitproperly.They＿＿＿＿myfeet.A.arehurtingB.willhurtC.havehurtD.arehurt15.I’vewonaholidayfortwotoFlorida.I＿＿mymum.A.take B.amtaking C.havetaken D.w