Unit6Whenwasitinvented?SectionA2d-GrammarFocus

NotForJazzWehaveanoldmusicalinstrument.Itiscalledaclavichord.ItwasmadeinGermanyin1681.Ourclavichordiskeptintheliving-room.Ithasbelongedtoourfamilyforalongtime.Theinstrumentwasboughtbymygrandfathermanyyearsago.Recentlyitwasdamagedbyavisitor.Shetriedtoplayjazzonit!Shestruckthekeystoohardandtwoofthestringswerebroken.Myfatherwasshocked.Nowwearenotallowedtotouchit.Itisbeingrepairedbyafriendofmyfather's.Lead-inWhat’sthis?Zipper.n.拉鏈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一般過去時被動語態一般過去時被動語態表示過去經常性、習慣性被動動作或過去某一時刻發生的被動性動作，與主動語態相比,被動語態中主語是謂語動作的執行者。被動語態的構成:助動詞was/were+(及物動詞的)過去分詞was(were)+doneGrammarThepassivevoice.被動語態主動語態變被動語態的結構圖:Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.主語謂語動詞過去時賓語時間狀語主語謂語動詞的過去分詞賓語時間狀語Thepassivevoice.被動語態主動語態改被動語態:Bellinventedthetelephonein1876.wasbyThetelephoneRewritethesentencesusingthepassivevoice.【點撥】原句為一般過去時態，原句的謂語動詞為sold，賓語為thefridge；改為被動語態時，應將thefridge作主語，謂語動詞用wassold的形式。1.Theysoldthefridgeatalowprice.Thefridgewassoldatalowprice.4a2.Somebodystolemycamerafrommyhotelroom._________________________________Mycamerawasstolenfrommyhotelroom.【點撥】分析原句的句子結構可知，stole是謂語動 詞，mycamera是句子的賓語；改為被動語態句時，應將mycamera作句子主語，謂語動詞用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.句子主語you與invite之間存在被動關系。villagers與bring之間存在被動關系4b3.Thedoor___________whenwearrived,sowe______thebell.4.Thestudents___________nottoeator drinkinclass,butRuby______therulewhenshestartedeatingabiscuitinscience class.5.Thecookies__________bythehungrykidsinlessthan20minutes,andtheyreally_____ them.waslockedrangbrokeweretoldwereeatenlikedthedoor與lock之間為被動關系；而we與ring之間則為主動關系；其他各題相同。Thetelephone______________(invent)byAlexanderGrahamBell.He__________(born)in1847.Mr.Bell________(work)ontheinventionofthetelephonewithThomasWatson.wasbornwasinventedworkedDecidewhetheractiveorpassiveformsshouldbeusedinthesesentence.Writethecorrectformsintheblanks.thetelephone與invent之間存在被動關系；Mr.Bell與work之間是主動關系。4clearnedwasinventedwassaidisusedMr.Bell與learn之間為主動關系。

請把下列的主動句變為被動句（注意時態的一致）1.Jackwaterstheflowerseveryday.Theflowersarewatered

byJackeveryday.

2.Marysenttwoe-mailsyesterday.Twoe-mailswere

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

Anewpenwasinvented

byme.5.Hedidn’tseethefilmlastnight.Thefilmwasn’tseenbyhimlastnight.隨堂檢測

1.世界上許多國家都講英文。MakesentencesEnglish

isspoken

inmanycountriesallovertheworld.

2.紙是中國發明的。Paper