Unit3TheInternetDiscoveringUsefulStructures課件-高中英語(yǔ)人教版2

Unit3現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)現(xiàn)在完成時(shí)謂語(yǔ)：have/hasdone1表示

某個(gè)時(shí)間發(fā)生的或

的動(dòng)作對(duì)_______

造成的

_____________

。Pastpresent過(guò)去已完成現(xiàn)在影響或結(jié)果e.g.1.Ihavejust

opened

thedoor.

現(xiàn)在完成時(shí)概念1：常用的時(shí)間狀語(yǔ)有：◆常與不確定的時(shí)間狀語(yǔ)連用，如:

already,before,recently,

lately,sofar,ever,just,yet,thesedays,uptonow,bynow,

inthepast/last+一段時(shí)間,次數(shù)（once,twice...)等,表示“到目前為止”所發(fā)生的動(dòng)作.

(Thedoorisnotclosednow.）2.表示

開(kāi)始，一直持續(xù)到

的動(dòng)作。

過(guò)去現(xiàn)在現(xiàn)在完成時(shí)概念2：

Thedoghaslivedheresinceitwasborn.

Theboyhaslivedwiththedogforfouryears.since:自從…后接過(guò)去的時(shí)間點(diǎn)/動(dòng)作e.g.Ihavenotseenhimsince

lastyear/wemetlastyear.for:后接一段時(shí)間，如threeyears,alongtime…e.g.Ihavenotseenhim

for

ayear.AB常用的時(shí)間狀語(yǔ)有：這本書(shū)我已經(jīng)買(mǎi)了好多年了。Ihavehadthisbookforyears.現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)現(xiàn)在完成時(shí)被動(dòng)語(yǔ)態(tài)have/hasbeendone現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)bedonehave/hasdoneHowdoweformthepresentperfectpassivevoice?現(xiàn)在完成時(shí)被動(dòng)語(yǔ)態(tài):主語(yǔ)+_________________

+其他1.Much______________(write)aboutthewondersoftheWorldWideWeb.2.People'slives___________________(change)byonlinecommunitiesandsocialnetworks.3.Manypeople________________(help)bytheclub.4.Jan'slife______________________(improve)greatlybytheInternet.hasbeen

writtenhavebeen

changed

havebeen

helped

Whenis

thepresentperfectpassivevoice

used?現(xiàn)在完成時(shí)被動(dòng)語(yǔ)態(tài)have/hasbeen

donehasbeen

improved

現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)的結(jié)構(gòu)肯定式：主語(yǔ)+

have/hasbeen

done否定式：

一般疑問(wèn)句：特殊疑問(wèn)句：主語(yǔ)+

have/hasnotbeen

doneHave/Has＋主語(yǔ)＋beendone．．．？疑問(wèn)詞＋have/has＋主語(yǔ)＋beendone．．．？句型轉(zhuǎn)換Changethesentencesintothepresentperfectpassivevoice.They’vebuiltakindofnewPCwithmorefunctions.AkindofnewPChasbeenbuiltwithmorefunctions.EXAMPLE↓Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.Someonehaslostanidentitycard.Thesoftwarehasbeendownloadedtohelpmyphonebatterylastlonger.Anidentitycardhasbeenlost.HaveyouconfirmedtheWi-Fipassword?Haveyoupressedthebuttonyettocopythefile?Hasanyonemadeacommentabouttheonlinedatabase?HastheWi-Fipasswordbeenconfirmed?Hasthebuttonbeenpressedyettocopythefile?Hasa/anycommentbeenmadeabouttheonlinedatabase?1.Uptonow,thephones

(使用)allovertheworld.2.Sofarthisnovel

(translate)intoseverallanguages.3.________thistable

(book)yet?翻譯句子。那位老人被精心照顧了10年。_________________________________________________Activity3.PracticehavebeenusedhasbeentranslatedbeenbookedHasTheoldmanhasbeentakengoodcareoffor10years.Theworld__________________________(turnupsidedown)sincetheinventionoftheInternetandtheintroductionofpersonalcomputersintonearlyeveryhome.ThetwininventionsofthepersonalcomputerandtheInternet__________________(consider)tobeamongthetwomostimportanteventsofthelastcentury.Shopping_________________________(completelychange).Ratherthangoingouttostoresweeklyorevendaily,moreandmorepeopleorderthingsfromclothestotoystofoodsonlineandhavethemdelivereddirectlytotheirhomes.Socialcommunication___________________(takeover)bytheInternet.Inthepast,letters,phonecalls,andface-to-facemeetingswerenecessarytobuilduprelationships,butnowonlinecommunicationisoftentheonlysocialinteractionthatsomepeoplehaveallday!Games,music,moviesandsoon________________________(heavilyinfluence)bytheInternet.NewkindsofcrimesarehappeningontheInternet,too,socybersecurityhastobeconstantlyupdated.2TheInternetisbringinggreatchangestomodernlife.Completethetextwiththecorrectformsofthewordsinbrackets.hasbeenturnedupsidedownhavebeenconsideredhasbeencompletelychangedhasbeentakenoverhavebeenheavilyinfluenced1Ihavea________aboutenvironmentalissuesinmycity.Ioften_______aboutmyclassmatesandIhelptocleanuptheenvironmentinmycity.2GrandmaandIhadanice_________abouttheInternetjustnow.GrandmaandIoften_________abouttheInternet.3Visitoursitetoday!We’rejusta_________away!Visitoursitetoday!Just_________onthislink.Let’sassess1Thewordsintheboxcanbeusedasbothnounsandverbs.Fillintheblanksbelowwiththecorrectformsofthewordsinthebox.function

targetblogcommentclickchatblogblogchatchatclickclickHemadeapositive__________onthedesignofourschoolwebsite,soIthinkhereallylikedit!He___________positivelyonthedesignofourschoolwebsite,soIthinkhereallylikedit!Thiscasehastwo_________.It’smywalletandmymobilephonecase.This_________bothasmywalletandasmymobilephoneca