Unit3TheInternetDiscoveringUsefulStructures現(xiàn)在完成時被動語態(tài)課件-高中英語人教版

Unit3

現(xiàn)在完成時被動語態(tài)

1It'sconvenienttokeepintouchwithfriendsthroughtheInternet.2I'dliketointroducetwoappsthatneitherofyouarefamiliarwith.3Sinceshehadnobodytokeephercompany,shebegantochatonline(startedchattingonline)tokilltime.4Nevermakefunofotherswhentheyarecrying,becauseyoumayneverfullyunderstandwhattoughtimestheyhavegonethrough.5Keepinmindthatyoumustkeepyourpersonalinformationprivate.6Afterthreemonths'exercise,hegotinbettershape.Forexample;However;Rather;Tobeginwith;Then;Aslongas;although;suchas現(xiàn)在完成時與現(xiàn)在完成時被動語態(tài)的動詞形式找出下面句子的謂語結(jié)構(gòu)，哪些是主動？哪些是被動？Jan’slifehasbeengreatlyimprovedbytheInternet.TheInternethasgreatlyimprovedJan’slife.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.被動主動主動被動

現(xiàn)在完成時謂語結(jié)構(gòu)

主動被動have/hasdonehave/hasbeendone......已經(jīng)被......過去完成時主動：

被動：1)過去的過去。常與過去完成時連用的時間狀語有by/before+一般過去時BythetimeJackreturnedfromhomefromEngland,hissonhadgraduatedfromcollege.2)固定句型:It/Thiswasthefirst/second/third...timethatsb.haddonesth..到過去某一時間某人第幾次做某事Itwasthefirsttimethathehadlefthisnativeland.haddone

hadbeendone

練習1.The

youngman,whenquestionedwhyhe_______(break)thelaw,justlookedatthepolicemanandsaidnothing.2.Nosooner________

MoYan________

(step)onthestagethantheaudiencebrokeintothunderousapplause.3.—DidyouhavedifficultyfindingAnn'shouse?—Notreally.She________(give)uscleardirectionsandwewereabletofinditeasily.4.Itisthefirsttimehe________(visit)thiscity.5.I_________(intend)tocallyou,butwaspreventedfromsomethingunexpected.練習6.Hardlyhadhebeguntospeakwhentheaudience________(interrupt)him7.ThoughI________(explain)thetextthreetimes,theboystillcouldn’tunderstandit.8.Iamsoupsetthatthehousewe_______(live)inforsomanyyearswasconsumedbythefire.9.Thecoffeeiswonderful!It

doesn’ttastelikeanythingI________(have)before.10.Ijumpedwithjoythemoment

I__________(receive)mydriver’slicense.練習【答案】1.hadbroken;2.hadstepped;3.hadgiven;4.hasvisited;5.hadintended;6.interrupted;7.hadexplained;8.hadlived;9.havehad;10.received

表示

發(fā)生的或

的動作對

造成的

?，F(xiàn)在完成時概念：過去已完成現(xiàn)在影響或結(jié)果e.g.1.

Goodbyetoyoumytrustedfriend.別了朋友，我的摯友。

2.

Ihavejustfinishedthehomework.

作業(yè)現(xiàn)在已經(jīng)做完了。常用的時間狀語有：◆常與不確定的時間狀語連用，如:

uptonow,

bynow,lately,already,since,eversince,just,yet,before,recently,sofar,inthepast/lastfewyears等,表示“到目前為止”所發(fā)生的動作.

現(xiàn)在完成時謂語動詞的構(gòu)成

have/has+done1.have&has當主語是

___，用has;當主語是________，用have。第三人稱單數(shù)其他人稱2.done在現(xiàn)在完成時中叫___________除不規(guī)則變化外，一般情況加ed

過去分詞現(xiàn)在完成時的基本句型現(xiàn)在完成時(ActiveVoice)肯定式

have/hasdone否定式

have/hasnotdone一般疑問句

have/has+主+done？

（have/has提前）特殊疑問句疑問詞+have/has+主+done？

(疑問詞+一般疑問句)1.Readthepairsofsentences.Underlineandcomparethedifferentverbforms.現(xiàn)在完成時被動語態(tài)的構(gòu)成:Jan’slifehasbeengreatlyimprovedbytheInternet.TheInternethasgreatlyimprovedJan’slife.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.VerbformActivePassivehave/has+been+done主語和動作之間是主動關(guān)系主語和動作之間是被動關(guān)系have/has+done2.Changethesentencesintothepresentperfectpassivevoice.1.They’vebuiltakindofnewPCwithmorefunctions.AkindofnewPChasbeenbuiltwithmorefunctions.…已經(jīng)被建造presentperfectpassivevoice3.Jan'slifehasbeengreatlyimprovedbytheInternet.2.TheirliveshavebeenchangedbyJan.3.TheInternethasgreatlyimprovedJan'slife.2.Janhaschangedtheirlives.1.Theclubhashelpedmanypeople.Underlineandcomparethedifferentverbforms.VerbformActive:Passive:have/hasdonehave/hasbeendone1.Manypeoplehavebeenhelpedbytheclub.presentperfectactivevoiceHowThinkofyourownsituationandwriteasimilarone.Lookattheway_________________________________Lookattheway___________________________________Lookattheway_________________________________________________________________________Lookattheway____________________________________Lookattheway____________________________________Lookattheway______________________________________________________________________________________thehomeworkhasbeenfinishedthegrammarmistakeshavebeencorrectedthestudyplanhasbeenconductedNowthinkhowtobeagoodstudent.thecourseshavebeentaughtthephysicalexercisehavebeencarriedouttheschoolclubshavebeensupportedIhopethatyou’lllikeourschool.Finishtheexercisesontheworksheet.Thankyou！Examples1.TheInternethasgreatlyimprovedJan’slife.2.Peoplehavewrittenmuchaboutthewonders

oftheWorldWideWeb.

Jan'slifehasbeen

greatlyimprovedbythe

Internet.Muchhasbeenwrittenaboutthewonders

oftheWorldWideWeb.Whenobject1.thesubjectishavingsomethingdonetoit2.thedoerofanactionisunknown,ornotimportant,orperferrednotnamed.similarmeaningdoinganactionhavingsomethingdonetoitsubjectthedoerofanactionisnotnecessarilymentionedsubjectSimilaritiesanddifferencesinmeaningandfunction1212conveyasimilarmeaningthesubjectisdoinganactiontotheobjectoftenusedastheyaremoredirectthesubjectishavingsomethingdonetoitoftenusedwhenthedoerofanactionisunknown,o