Unit3TheInternetDiscoveringUsefulStructures課件-高中英語(yǔ)人教版

UNIT3THEINTERNET

PeriodIIIDiscoveringUsefulStructuresStepI學(xué)習(xí)理解Lookatthepicturesandfillintheblanks.1.The2022OlympicWinterGames__________(hold)inBeijing,China,andsurroundingareas.2.Chineseathletes

(praise)fortheirwonderfulperformancesintheOlympicGames.3.Thisapp

(use)severaltimessinceIdownloadedit.wereheld

werepraised

hasbeenusedTheInternethasgreatlyimprovedJan’slife.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.()Jan’slifehasbeengreatlyimprovedbytheInternet.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.()()()Answerthefollowingquestionandfillintheblank.?Howdoweformthepresentperfectpassivevoice?VerbformActivehave/has+v-edPassive_________________have/hasbeen+v-edCompletethesentenceswiththepresentperfectorthepresentperfectpassivevoice.havebeenproduced

hasreproduced

havebeenhelpedhasnotbeenunearthed

havebeendestroyedChangethesentencesintothepresentperfectpassivevoice.EXAMPLEThey’vebuiltakindofnewPCwithmorefunctions.→AkindofnewPChasbeenbuiltwithmorefunctions.1.Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.2.Someonehaslostanidentitycard.3.HaveyouconfirmedtheWi-Fipassword?Thesoftwarehasbeendownloadedtohelpmyphonebatterylastlonger.Anidentitycardhasbeenlost.HastheWi-Fipasswordbeenconfirmed?Changethesentencesintothepresentperfectpassivevoice.4.Haveyoupressedthebuttonyettocopythefile?5.Hasanyonemadeacommentabouttheonlinedatabase?EXAMPLEThey’vebuiltakindofnewPCwithmorefunctions.→AkindofnewPChasbeenbuiltwithmorefunctions.Hasthebuttonbeenpressedyettocopythefile?Findoutthedifferencesinmeaningandfunctionbetweentheactiveandpassiveforms.Brainstormanddiscusshowthepresentperfectpassivevoiceisused.Studythegrammar.Thepresentperfectpassivevoice現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)的含義：

現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)強(qiáng)調(diào)一個(gè)發(fā)生在過(guò)去的被動(dòng)動(dòng)作，它有三層意思。1.動(dòng)作已完成，強(qiáng)調(diào)對(duì)現(xiàn)在造成的影響或結(jié)果。2.動(dòng)作一直持續(xù)到現(xiàn)在。3.主語(yǔ)和謂語(yǔ)動(dòng)詞之間為被動(dòng)關(guān)系。

Studythegrammar.現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)的用法

1.用于不知道動(dòng)作的執(zhí)行者是誰(shuí)時(shí)。2.用于動(dòng)作的執(zhí)行者是泛指或不言自明時(shí)。3.用于可以說(shuō)出動(dòng)作的執(zhí)行者，但動(dòng)作的承受者是談話中心或特別需要強(qiáng)調(diào)時(shí)。4.用于動(dòng)作的執(zhí)行者不是人時(shí)。5.用于出于禮貌、委婉而避免提及自己或?qū)Ψ綍r(shí)。

Studythegrammar.現(xiàn)在完成時(shí)的主動(dòng)語(yǔ)態(tài)變被動(dòng)語(yǔ)態(tài):

1.只帶有一個(gè)賓語(yǔ)的動(dòng)詞變?yōu)楸粍?dòng)語(yǔ)態(tài)時(shí)，將主動(dòng)語(yǔ)態(tài)的賓語(yǔ)變?yōu)楸粍?dòng)語(yǔ)態(tài)的主語(yǔ)。Wehavebuiltmanyhousesinthepasttenyears.(主動(dòng))→Manyhouseshavebeenbuiltinthepasttenyears.(被動(dòng))2.帶有雙賓語(yǔ)的動(dòng)詞，如give、send、bring、take、teach、show、tell、make、sing、write、read、sell、buy、pay、lend、pass、promise等，變?yōu)楸粍?dòng)語(yǔ)態(tài)時(shí)，可將其中一個(gè)賓語(yǔ)變?yōu)橹髡Z(yǔ)，另一個(gè)保留不動(dòng)。

Wehavegivenhimabook.(主動(dòng))→Hehasbeengivenabook.(被動(dòng))→Abookhasbeengiventohim.(被動(dòng))Studythegrammar.現(xiàn)在完成時(shí)的主動(dòng)語(yǔ)態(tài)變被動(dòng)語(yǔ)態(tài):

3.帶有復(fù)合賓語(yǔ)的動(dòng)詞變?yōu)楸粍?dòng)語(yǔ)態(tài)時(shí)，只能將賓語(yǔ)變?yōu)橹髡Z(yǔ)，原來(lái)的賓語(yǔ)補(bǔ)足語(yǔ)變?yōu)橹髡Z(yǔ)補(bǔ)足語(yǔ)，原來(lái)省略to的不定式作賓語(yǔ)補(bǔ)足語(yǔ)，被動(dòng)語(yǔ)態(tài)中要用帶to的不定式。Ihavefoundhimlyingonthefloor.(主動(dòng))→Hehasbeenfoundlyingonthefloor.(被動(dòng))Studythegrammar.StepII應(yīng)用實(shí)踐Fillintheblankswiththecorrectformsoftheverbsinbrackets.Coca-Cola

(enjoy)allovertheworld.1.6billiongallons

(sell)everyyear,inoveronehundredandsixtycountries.Thedrink

(invent)byDrJohnPembertoninAtlantaasahealthdrinkon8May1886,butitwasgiventhenameCoca-Colabyhispartner,FrankRobinson,becauseit

originally

(make)fromthecocaplant.Inthefirstyear,onlyninedrinksaday

(sell).Thebusiness

(buy)byamancalledAsaCandlerin1888,andthefirstfactorywasopenedinDallas,Texas,in1895.Coca-Cola

still

(make)there.Billionsofbottlesandcans

(produce)since1895,buttherecipe_______still_________(keep)secret!DietCoke

(make)since1982,andovertheyearsmanycleveradvertisements

(use)toselltheproduct.ItiscertainthatCoca-Cola

(drink)farintothetwenty-secondcentury.hasbeen