Unit+3+The+Internet+Discovering+Useful+Structures課件【備課精講精研精析】高中英語(yǔ)人教版（2019）必修第二冊(cè)

Unit3TheInternetDiscoveringUsefulStructures現(xiàn)在完成時(shí)

have/has+v-ed表示說(shuō)話時(shí)已經(jīng)完成的動(dòng)作，而且這個(gè)動(dòng)作的結(jié)果對(duì)現(xiàn)在仍有影響;表示動(dòng)作發(fā)生在過(guò)去，但一直持續(xù)到現(xiàn)在，并且有可能繼續(xù)持續(xù)下去。Doyouknowthestructuresandmeaningsofthepresentperfecttenseandpassivevoice?ThePresentPerfectTense①Unfinishedeventsthatstartedinthepastcontinuetothepresent.e.g.IhavelivedinChangshaforfiveyears.(IstillliveinChangshanow.)e.g.IhavelivedinChangshasince2015.ReviewThestudentshavecleanedtheclassroom.Theclassroomhasbeencleaned.Youneedn’tcleanitnow.現(xiàn)在完成時(shí)activepassive表示說(shuō)話時(shí)已經(jīng)完成的被動(dòng)性的動(dòng)作或結(jié)果，主語(yǔ)是動(dòng)作的承受者?，F(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)主動(dòng)語(yǔ)態(tài)變被動(dòng)語(yǔ)態(tài)的原則“三變”例：Theyarebuildingnineparks.原句主語(yǔ)by的賓語(yǔ)賓語(yǔ)主語(yǔ)

謂語(yǔ)由主動(dòng)被動(dòng)“三不變”原句意思不變?cè)鋾r(shí)態(tài)不變?cè)渲髦^賓以外成分不變Nineparks_________________bythem.arebeingbuilt時(shí)間狀語(yǔ)just;already;ever;never;yet;sofar;bynow不明確的時(shí)間一段時(shí)間for3days;since3daysago包括說(shuō)話時(shí)間的時(shí)間thismorning,thisweek,thismonth,thisyear現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)【語(yǔ)法感知】觀察下列課文原句1.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.2.People’sliveshavebeenchangedbyonlinecommunitiesandsocialnetworks.3.Manypeoplehavebeenhelped

bytheclub.4.Jan’slifehasbeengreatlyimproved

bytheInternet.

現(xiàn)在完成時(shí)與現(xiàn)在完成時(shí)被動(dòng)語(yǔ)態(tài)的動(dòng)詞形式找出下面句子的謂語(yǔ)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(yǔ)結(jié)構(gòu)

主動(dòng)被動(dòng)have/hasdonehave/hasbeendone已經(jīng)被例2：HavetheybeensentabroadtostudyEng-lish?他們已經(jīng)被派往國(guó)外學(xué)英語(yǔ)了嗎?

例3：Whohasbeeninvented?誰(shuí)受到了邀請(qǐng)？陳述句主語(yǔ)+has/havebeen（not）+P.P.+...例1：Hermotorbikehasbeenstolen.她的摩托車(chē)盜了。一般疑問(wèn)句Has/have+主語(yǔ)+been+P.P.+...?特殊疑問(wèn)句特殊疑問(wèn)詞+have/has+been+P.P.+...?一、現(xiàn)在完成時(shí)被動(dòng)語(yǔ)態(tài)的構(gòu)成二、現(xiàn)在完成時(shí)的的結(jié)構(gòu)：肯定式：S+have/has+V-過(guò)去分詞(done)否定式：S+have/has+not+V-過(guò)去分詞...

一般疑問(wèn)句：Have/Has+S+V-過(guò)去分詞...特殊疑問(wèn)句：疑問(wèn)詞+have/has+S+V-過(guò)去分詞...人教版2019版高一unit3TheInternetgrammar【優(yōu)秀課件】三、現(xiàn)在完成時(shí)被動(dòng)語(yǔ)態(tài)的用法1.現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài),強(qiáng)調(diào)過(guò)去的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果,通常與already,yet,just,never,recently等副詞連用。*ThesongBaby

Shark

hasalreadybeenplayed7.04billiontimesonYouTube.《寶貝鯊魚(yú)》這首歌曲已經(jīng)在YouTube上被播放了70.4億次。2.表示一個(gè)被動(dòng)的動(dòng)作或狀態(tài)開(kāi)始于過(guò)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(yǔ)連用,或用于“Howlong...?”句型中。*Althoughpaidleavehasbeenincludedinthecountry’slaborlawformorethan20years,fewworkerscouldenjoyit.盡管帶薪休假被納入國(guó)家勞動(dòng)法已有20多年,但是落實(shí)率并不高。e.g:在你的作業(yè)沒(méi)完成(finish)之前你不應(yīng)該離開(kāi)學(xué)校。Youshouldn'tleaveschoolbeforeyourhomeworkhasbeenfinished.人教版2019版高一unit3TheInternetgrammar【優(yōu)秀課件】3.用在時(shí)間或條件狀語(yǔ)從句中，表示將來(lái)某時(shí)已完成的動(dòng)作，也就是用現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)替代將來(lái)完成時(shí)的被動(dòng)語(yǔ)態(tài)。注意：下來(lái)情況下用被動(dòng)語(yǔ)態(tài)：1.強(qiáng)調(diào)動(dòng)作的承受者，即動(dòng)作的承受者是談話的中心。2.不知道或不必要或?yàn)榱宋?禮貌,不便說(shuō)出動(dòng)作的發(fā)出者。3.當(dāng)動(dòng)作的執(zhí)行者帶有較長(zhǎng)的定語(yǔ)。練習(xí)Wehavealreadyinvitedthesinger.Thesingerhasalreadybeeninvited.Thesingerhasnotbeeninvitedyet.Hasthesingerbeeninvited?Whohasbeeninvited?被動(dòng)否定一般疑問(wèn)對(duì)賓語(yǔ)提問(wèn)

現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)與一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)的區(qū)別。一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)表示的是一個(gè)被動(dòng)的動(dòng)作發(fā)生在過(guò)去某個(gè)時(shí)候,它的結(jié)果對(duì)現(xiàn)在沒(méi)有影響;而現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài),動(dòng)作或狀態(tài)盡管發(fā)生在過(guò)去,但強(qiáng)調(diào)這個(gè)動(dòng)作或狀態(tài)對(duì)現(xiàn)在造成的影響和結(jié)果。*Thehousewasbuiltlastyear.這個(gè)房子是去年建造的。*Thehousehasbeenbuilt.Wecanmovein.這個(gè)房子已經(jīng)建好了。我們可以搬進(jìn)去。四、現(xiàn)在完成時(shí)被動(dòng)語(yǔ)態(tài)的拓展延申五、幾點(diǎn)注意事項(xiàng)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)。*Asfortheepidemic,ourgovernmenthastakenagreatmanymeasurestocontainit.→Asfortheepidemic,agreatmanymeasureshavebeentakenbyourgovernmenttocontainit.對(duì)于這場(chǎng)疫情,政府已經(jīng)采取了很多措施來(lái)控制。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(yǔ)態(tài)不能與表示一段時(shí)間的狀語(yǔ)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)。*Theworkwasfinishedtwoweeksago.這項(xiàng)工作在兩周前已經(jīng)完成。3.帶有雙賓語(yǔ)的動(dòng)詞,如give,send,bring,take,teach,show,tell,buy,lend,promise等,變?yōu)楸粍?dòng)語(yǔ)態(tài)時(shí),一般將間接賓語(yǔ)變?yōu)楸粍?dòng)語(yǔ)態(tài)的主語(yǔ),若將直接賓語(yǔ)變?yōu)楸粍?dòng)語(yǔ)態(tài)的主語(yǔ)時(shí),間接賓語(yǔ)前面要用相應(yīng)的介詞。*Theirteacherhasgiventhemmanychancestopracticewhattheyhavelearnedinclass.→Manychanceshavebeengiventothemtopracticewhattheyhavelearnedinclass(bytheirteacher).→Theyhavebeengivenmanychancestopracticewhattheyhavelearnedinclass(bytheirteacher).他們的老師給了他們很多機(jī)會(huì)練習(xí)上課所學(xué)(的內(nèi)容)。Exercises1.FirstasaPCandthenasalaptop,I______________(use)inoffices

andhomessincethe1970s.2.Overtimemymemory_____________(develop)somuchthat

Inever

forgetanythingI_____________

(told).3.Sincethe1970smanynewapplications______________(find)forme.4.Ihavealso________(put)intorobotsandusedtomakemobilephones

aswellas______(help)withmedicaloperations.hasdevelopedhavebeentoldhavebeenusedhavebeenfoundbeenputhelpedⅠ.單句語(yǔ)法填空1.WearegladtobetoldthatLiTao________________(admit)toFudanUniversity.

2.Allthepreparationsforthetask__________________(complete),andwe’rereadytostart.

3.Whenandwheretogofortheon-salaryholiday___________________(decide)yet.

4.Thisbook_________________(translate)intomanylanguages.

5.Thedictionaryisoutofdate:manywords_______________(add)tothelanguagesinceitwaspublished.

hasbeenadmittedhavebeencompletedhasnotbeen

decided

hasbeentranslatedhavebeenadded6.Bynow516ConfuciusInstitutes_________________(found)in142countriesandregions.

7.As_______________(plan),wewillgatherandsetoff/outattheschoolgateat8:00,December10.

8.Recently,forvariousreasons,ourlivingenvironment________________(pollute)worseandworse.

9.Therearemanygoodqualitiesthat_______________(pass)onfromgenerationtogenerationinmyfamily.

10.Measures______________(take)tocopewiththeseproblemsbythegovernmentuptonow.

havebeenfoundedhasbeenplannedhasbeenpollutedhavebeenpassedhavebeentakenⅡ.語(yǔ)法填空(用所給詞的正確時(shí)態(tài)、語(yǔ)態(tài)填空)LiMing：Hi，LinTao.Hownicetoseeyouonthefirstdayofthenewterm!LinTao：Yes.Nicetoseeyouagain.LiMing：Iknowthatyourparents6.

(work)inYushuforyears.Canyoutellmesomethingthereaftertheearthquake?LinTao：Ofcourse.Sincetheearthquake7.

(happen)，manysoldiers8.

(send)there，andmanykindsofsupplies(物資供應(yīng))9.

(carry)therefromalloverthecountry.Now，mostpeoplethere10.

(live)ahappylifeagain.havebeenworkinghappenedhavebeensenthavebeencarriedlive/arelivingTask3語(yǔ)篇總結(jié)歸納:主題深化

JanTchamani,anEnglishteacherinBirmingham,UK,suddenlydevelopedaseriousillness.Shefoundherselfoutofworkand1._____(stick)athome.Afterawhile,shediscoveredthat2._______(surf)theInternetcouldhelpherfeellesslonelyandbored.Shecoulddoeverythingonline.Shealsojoined3.___onlinegroupwhereshecouldtalkaboutherproblemsandgetsupportandadvic