Unit3TheInternetDiscoveringUsefulStructures課件高中英語人教版23

Unit3TheInternetDiscoveringusefulstructuresActiveandpassivevoices單擊輸入您的封面副標(biāo)題Lead-in

被動(dòng)語態(tài)復(fù)習(xí)一、什么是語態(tài)？語態(tài)是英語動(dòng)詞的一種表現(xiàn)形式，用來說明_________和__________之間的關(guān)系。二、語態(tài)的種類：___________和____________主語謂語動(dòng)詞主動(dòng)被動(dòng)挑事兒：Ifyouthinkyou'resuchatoughguy,thenhitme.Youhitme!Comeandhelpme!Iwashit/beaten.現(xiàn)在完成時(shí)與現(xiàn)在完成時(shí)被動(dòng)語態(tài)的動(dòng)詞形式找出下面句子的謂語結(jié)構(gòu)，哪些是主動(dòng)？哪些是被動(dòng)？Jan’slifehasbeengreatlyimprovedbytheInternet.TheInternethasgreatlyimprovedJan’slife.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.被動(dòng)主動(dòng)主動(dòng)被動(dòng)

現(xiàn)在完成時(shí)謂語結(jié)構(gòu)

主動(dòng)被動(dòng)have/hasdonehave/hasbeendone......已經(jīng)被......現(xiàn)在完成時(shí)被動(dòng)語態(tài)have/hasbeendone現(xiàn)在完成時(shí)的被動(dòng)語態(tài)bedonehave/hasdone(動(dòng)詞的過去分詞）Howdoweformthepresentperfectpassivevoice?現(xiàn)在完成時(shí)的被動(dòng)語態(tài)感知句子，完成方框下的小題一名敵人被擊殺。Anenemyhasbeenslained.我方隊(duì)友被擊殺。Anally

hasbeenslained.你被擊殺了。Youhavebeenslained.1.以上句子中所使用的時(shí)態(tài)和語態(tài)是

。2.現(xiàn)在完成時(shí)的被動(dòng)語態(tài)的構(gòu)成為：

。現(xiàn)在完成時(shí)的被動(dòng)語態(tài)have/hasbeen＋v.過去分詞肯定形式：Hishomeworkhasbeenfinished.否定形式：Hishomeworkhasnotbeenfinished.一般疑問句:Hashishomeworkbeenfinishedyet?特殊疑問句：Howlonghashishomeworkbeenfinished?主語+have/hasbeendone...主語+have/hasnotbeendone...have/has+主語+beendone...?疑問詞+have/has+主語+beendone...?結(jié)構(gòu)形式現(xiàn)在完成時(shí)的被動(dòng)語態(tài)用法1.現(xiàn)在完成時(shí)的被動(dòng)語態(tài)同它的主動(dòng)語態(tài)一樣，強(qiáng)調(diào)過去的動(dòng)作對現(xiàn)在造成的影響或結(jié)果，主語和謂語之間為被動(dòng)關(guān)系，通常與already,yet,just,never,recently等副詞連用。例：Themachinehasalreadybeenrepaired.2.表示一個(gè)被動(dòng)的動(dòng)作或狀態(tài)開始于過去，持續(xù)到現(xiàn)在，并可能持續(xù)下去，常與for或since引導(dǎo)的時(shí)間狀語連用，或用于“Howlong...?”句型中。例：Financialproblemsofthecompanyhavebeendiscussedfornearlytwohours.Howlonghasthisfilmbeenshown?現(xiàn)在完成時(shí)的被動(dòng)語態(tài)注意1.

現(xiàn)在完成時(shí)的被動(dòng)語態(tài)、現(xiàn)在進(jìn)行時(shí)的被動(dòng)語態(tài)及一般過去時(shí)的被動(dòng)語態(tài)的區(qū)別Themachinehasbeenrepaired.（說明動(dòng)作發(fā)生在過去，對現(xiàn)在有影響，“現(xiàn)在修好了”）Themachineisbeingrepairednow.（說明動(dòng)作正在進(jìn)行）Themachinewasrepairedyesterday.（只說明動(dòng)作發(fā)生在過去）2.非延續(xù)性動(dòng)詞，如borrow,finish,begin,start,buy,

marry,

open,

join等構(gòu)成的現(xiàn)在完成時(shí)的被動(dòng)語態(tài)不能與表示一段時(shí)間的狀語連用。若要表達(dá)相應(yīng)的意思，則要改換動(dòng)詞或時(shí)態(tài)。例：工程已開始三個(gè)月了。

Theprojecthasbeenstartedforthreemonths.（F）

Theprojecthasbeengoneonforthreemonths.（T）現(xiàn)在完成時(shí)的被動(dòng)語態(tài)提示常與現(xiàn)在完成時(shí)連用的時(shí)間狀語有：already

已經(jīng)

yet

已經(jīng)recently/lately

最近

sincethen

從那時(shí)起eversince

自那以來

ever

曾經(jīng)sofar

迄今為止

bynow

到現(xiàn)在為止foralongtime

很長一段時(shí)間inrecentyears

在最近幾年里in/during/overthepast/lastyears

在過去的幾年里現(xiàn)在完成時(shí)的被動(dòng)語態(tài)

Canyoumakemoresentences,using“have/hasbeendone”?PracticeI

Tallbuildings_______________(build)everywhere.havebeenbuiltShoppingcenters___(build).havebeenbuiltSomefactories__(setup)toimproveeconomies.havebeensetupeconomy[?'k?n?m?]n.經(jīng)濟(jì)；節(jié)約；理財(cái)Theroad___________________(widen).hasbeenwidenedMoredustbins

___

(place)onthestreets.dust灰塵bin箱子，容器；['d?stb?n]havebeenplacedMoreandmoretreesandflowers

___(plant)ontheeithersideoftheroads.havebeenplanted1.Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.2.Someonehaslostanidentitycard.3.HaveyouconfirmedtheWi-Fipassword?Thesoftwarehasbeendownloadedtohelpmyphonebatterylastlonger.Anidentitycardhasbeenlost.HastheWi-Fipasswordbeenconfirmed?4.Haveyoupressedthebuttonyettocopythefile?5.Hasanyonemadeacommentabouttheonlinedatabase?Hasthebuttonbeenpressedyettocopythefile?Hasacommentabouttheonlinedatabasebeenmade?1A:Whycan'tIaccessmyaccount?B:____yourpersonalinformation____________(update)?2Bothlearningsites_______________(visit)byover10,000peoplesincelastyear.3Thiskeyboard_______________(notuse)foralongtime.4Canyoutellmewhat____________(do)tobridgethedigitaldivide?5InthepastyearI_______________(inspire)tobuye-booksinsteadofpaperbooks.6A:WherecanIreadthosecomments?B:Online.They_______________(post)already.7Itseemsthatmorehealthproblems_______________(cause)bymobilephones.8Thatapp______________(delete)frommysmartphonealready.Hasbeenupdatedhavebeenvisitedhasnotbeenusedhasbeendonehavebeeninspired1Completethesentenceswiththepresentperfectpassivevoiceofthegivenverbs.WORKBOOKP.74havebeenpostedhavebeencausedhasbeendeletedSUMMMARY現(xiàn)在完成時(shí)的被動(dòng)語態(tài)含義結(jié)構(gòu)表示過去發(fā)生的被動(dòng)動(dòng)作現(xiàn)在已經(jīng)完