Unit6WhenwasitinventedSectionA2dGrammarFocus课件人教版九年级英语全册

Unit6Whenwasitinvented?SectionA2d-GrammarFocus

NotForJazzWehaveanoldmusicalinstrument.Itiscalledaclavichord.ItwasmadeinGermanyin1681.Ourclavichordiskeptintheliving-room.Ithasbelongedtoourfamilyforalongtime.Theinstrumentwasboughtbymygrandfathermanyyearsago.Recentlyitwasdamagedbyavisitor.Shetriedtoplayjazzonit!Shestruckthekeystoohardandtwoofthestringswerebroken.Myfatherwasshocked.Nowwearenotallowedtotouchit.Itisbeingrepairedbyafriendofmyfather's.Lead-inWhat’sthis?Zipper.n.拉链Wherecanyouseeit?Pants,trousers,bags,backpacks,dressers,shoes,suitcase,etc.2dListenandanswerthequestions.1.Whatinventionaretheytalkingabout?2.Whenwasthezipperinvented?3.Andwhendiditgetpopular?4.Whowasthezipperinventedby?Thezipper.Itwasinventedin1893.Around1917.Readandtrytorecitetheconversationin3minutes.Fillintheblanks.Paul:HeyRoy,thesubject_____myschoolprojectis“Smallinventions____changedtheworld”.Canyouhelpme_______aninvention?Roy:__________.Letmethink…hmm…Iknow!Thezipper!Paul:Thezipper?Isitreally____agreatinvention?Roy:Thinkabouthowoftenit’susedinourdaily

lives.Youcanseezippersondresses,trousers,shoes,bags…almosteverywhere!Paul:Well,youdo

seemto____________…forthatthinkofMypleasuresuchhaveapointWerelistedWasinventedbyWasn’tusedAround

Thesimplepastpassivevoice一般过去时被动语态一般过去时被动语态表示过去经常性、习惯性被动动作或过去某一时刻发生的被动性动作，与主动语态相比,被动语态中主语是谓语动作的执行者。被动语态的构成:助动词was/were+(及物动词的)过去分词was(were)+doneGrammarThepassivevoice.被动语态主动语态变被动语态的结构图:Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.主语谓语动词过去时宾语时间状语主语谓语动词的过去分词宾语时间状语Thepassivevoice.被动语态主动语态改被动语态:Bellinventedthetelephonein1876.wasbyThetelephoneRewritethesentencesusingthepassivevoice.【点拨】原句为一般过去时态，原句的谓语动词为sold，宾语为thefridge；改为被动语态时，应将thefridge作主语，谓语动词用wassold的形式。1.Theysoldthefridgeatalowprice.Thefridgewassoldatalowprice.4a2.Somebodystolemycamerafrommyhotelroom._________________________________Mycamerawasstolenfrommyhotelroom.【点拨】分析原句的句子结构可知，stole是谓语动 词，mycamera是句子的宾语；改为被动语态句时，应将mycamera作句子主语，谓语动词用wasstolen的形式。3.Wheredidyoutakethesephotos? __________________________________4.Ourparentsadvisedusnottogooutalone. __________________________________5.Differentwriterstranslatedthebookinto differentlanguages. __________________________________ __________________________________Wherewerethesephotostaken?Wewereadvisednottogooutalone.Thebookwastranslatedintodifferentlanguagesbydifferentwriters.1.You____________tothepartylastnight, weren’tyou?Whydidn’tyougo?2.Theearthquakehappenedallofasudden, butluckilythevillagers_____________toasafeplace.wereinvitedeat,like,invite,tell,lock,ring,break,bringwerebroughtCompletethesentenceswithcorrectformsoftheverbsinthebox.句子主语you与invite之间存在被动关系。villagers与bring之间存在被动关系4b3.Thedoor___________whenwearrived,sowe______thebell.4.Thestudents___________nottoeator drinkinclass,butRuby______therulewhenshestartedeatingabiscuitinscience class.5.Thecookies__________bythehungrykidsinlessthan20minutes,andtheyreally_____ them.waslockedrangbrokeweretoldwereeatenlikedthedoor与lock之间为被动关系；而we与ring之间则为主动关系；其他各题相同。Thetelephone______________(invent)byAlexanderGrahamBell.He__________(born)in1847.Mr.Bell________(work)ontheinventionofthetelephonewithThomasWatson.wasbornwasinventedworkedDecidewhetheractiveorpassiveformsshouldbeusedinthesesentence.Writethecorrectformsintheblanks.thetelephone与invent之间存在被动关系；Mr.Bell与work之间是主动关系。4clearnedwasinventedwassaidisusedMr.Bell与learn之间为主动关系。

请把下列的主动句变为被动句（注意时态的一致）1.Jackwaterstheflowerseveryday.Theflowersarewatered

byJackeveryday.

2.Marysenttwoe-mailsyesterday.Twoe-mailswere

sentbyMaryyesterday.3.Theyshouldwearuniformsatschool.Uniformsshouldbewornbythematschool.4.Iinventedanewpen.

Anewpenwasinvented

byme.5.Hedidn’tseethefilmlastnight.Thefilmwasn’tseenbyhimlastnight.随堂检测

1.世界上许多国家都讲英文。MakesentencesEnglish

isspoken

inmanycountriesallovertheworld.

2.纸是中国发明的。Paper