Unit6Whenwasitinvented?(GrammarFocus--4c)LearningObjectivesInthisclass,youareexpectedtobeableto:1.learnthestructureofthesimplepasttensewithpassivevoice.（掌握一般過去時(shí)被動(dòng)語態(tài)的基本形式）2.trytochangeactivevoiceintopassivevoice.（學(xué)會(huì)將主動(dòng)語態(tài)轉(zhuǎn)化成被動(dòng)語態(tài)）3.introduceinventionsbyusingthepassivevoice.

（用被動(dòng)語態(tài)介紹發(fā)明物）Let'swatchavideo

1.拉鏈?zhǔn)鞘裁磿r(shí)候被發(fā)明的？___________thezipper________?2.它于1893年被發(fā)明。It_______________in1893.3.它是由誰發(fā)明的？_________itinvented____?4.它是由惠特科姆?賈得森發(fā)明的。It_______________WhitcombJudson.wasinventedWhenwasinventedWhowasbywasinventedby5.茶葉什么時(shí)候被帶到朝鮮去的？___________tea_________toKorea?6.是在六到七世紀(jì)之間被帶到朝鮮。It____________toKorea________the6thand7thcenturies.7.熱冰淇淋勺用來做什么？What___thehotice-creamscoop__________?8.它用來挖很冷的冰淇淋。It’s_______________reallycoldice-cream.WhenwasbroughtwasbroughtduringisusedforusedforservingGrammar主動(dòng)語態(tài)表示主語是動(dòng)作的執(zhí)行者，而被動(dòng)語態(tài)則表示主語是動(dòng)作的承受者。如：Wecleanedtheclassroomyesterday.Theclassroomwascleanedyesterday.Ⅰ.一般過去時(shí)被動(dòng)語態(tài)的結(jié)構(gòu)be(was/were)+動(dòng)詞過去分詞Ⅱ.一般過去時(shí)被動(dòng)語態(tài)的句型1.肯定句:主語+was/were+V-ed(+by…).Thenewswaspublishedbythegovernment.2.否定句:主語+was/were+not+V-ed(+by…).3.一般疑問句:Was/Were+主語+V-ed(+by…)?Wasthenewspublishedbythegovernment?4.特殊疑問句:疑問詞+一般疑問句?Thenewswasn’tpublishedbythegovernment.Ⅲ.主動(dòng)語態(tài)不能變成被動(dòng)語態(tài)的情況當(dāng)賓語是反身代詞或相互代詞時(shí)

(1)Hemadehimself

acupofcoffee.(2)Theyhelp

eachother.當(dāng)賓語是不定式或V-ing時(shí)Weallwant

tobe

teachers.當(dāng)某些動(dòng)詞表示狀態(tài)或結(jié)果時(shí)

Themilktastesslightly

sour.當(dāng)賓語表示數(shù)量、重量、大小或程度

Theelephantweighs

fivetons.一感

二聽三讓四看feellistento/hearlet/have/makewatch/see/lookat/noticeeg.Weoftenseehimplaybasketball.Heisoftenseentoplaybasketballbyus.Thebossmadethechildrenworkforlong.Thechildrenweremadetoworkforlongbytheboss.IV.無to不定式，變?yōu)楸粍?dòng)時(shí)加上to4a

Rewritethesentencesusingthepassivevoice.1.Theysoldthefridgeatalowprice.2.Somebodystolemycamerafrommyhotelroom.3.Wheredidyoutakethesephotos?4.Theguidewarnedthemnottoclimbthemountaininbadweather5.Differentwriterstranslatedthebookintodifferentlanguages.Thefridgewassoldatalowprice.Mycamerawasstolenfrommyhotelroom.Wherewerethesephotostaken?Theywerewarnedbytheguidenottoclimbthe....Thebookwastranslatedintodifferentlanguagesbydifferentwriters.atalow/highprice以低/高價(jià)somebody某人，(復(fù)合不定代詞)1.復(fù)合不定代詞作主語，謂語動(dòng)詞用三單2.復(fù)合不定代詞+adjwarnsb(not)todosth警告某人(不)要做某事translatev.翻譯translatorn.翻譯家translationn.譯本/文o...把...譯成...1.You____________tothepartylastnight,weren’tyou?Whydidn’tyougo?2.Theearthquakehappenedallofasudden,butluckilythevillagers_____________toasafeplace.3.Thedoor___________whenwearrived,sowe_____________thebell.Completethesentenceswithcorrectformsoftheverbsinthebox.4bwereinvitedwerebroughtwaslockedrangallofasudden突然4.Thestudents___________nottoeatordrinkinclass,butRuby______therulewhenshestartedeatingabiscuitinscienceclass.5.Thecookies____________bythehungrykidsinlessthan20minutes,andtheyreally_____themweretoldbrokewereeatenlikedlearnedisusedwassaidwasinventedwasinventedwasbornworkedLet'stalkWhenwaspapermakinginvented?ItwasinventedintheHanDynasty.Whowaspapermakinginventedby?ItwasinventedbyCaiLun.Whatispapermakingusedfor?It'susedforkeepingrecords.Let'stalkWhenwasprintinginvented?ItwasinventedintheSongDynasty.Whowasprintinginventedby?ItwasinventedbyBiSheng.Whatisprintingusedfor?It'susedforprintingbooks.Let'stalkWhenwasthecompassinvented?ItwasinventedintheHanDynasty.Whowasthecompassinventedby?Theinventorofthecompassisunknown.Whatisthecompassusedfor?It'susedforpointingdirections.Let'stalkWhenwasthegunpowderinvented?ItwasinventedintheSongDynasty.Whowasthegunpowderinventedby?Itwasinventedbyalchemists(煉金術(shù)士）.Whatisthegunpowderusedfor?It'susedformakingweapons(武器).Let'slearnWhyispassivevoiceused?Howtousepassivevoicecorrectly?不知道誰是動(dòng)作的發(fā)出者沒必要知道誰是動(dòng)作的發(fā)出者需要強(qiáng)調(diào)動(dòng)作承受者Passivevoice

inthesimplepasttense一般過去時(shí)中的被動(dòng)語態(tài)Activevoice(主動(dòng)語態(tài))Passivevoice(被動(dòng)語態(tài))WhitcombJudsoninventedthezipperin1893.ThezipperwasinventedbyWhitcombJudson.PeoplebroughtteatoKoreaduringthe6thand7thcenturies.TeawasbroughttoKoreaduringthe6thand7thcenturies.AlexanderGrahamBellinventedthetelephonein1876.ThetelephonewasinventedbyAlexanderGrahamBell.Weusedthehotice-creamscoopforservingreallycoldice-cream.Thehotice-creamscoopwasusedforservingreallycoldice-cream.主語A+謂語動(dòng)詞B1(及物動(dòng)詞)+賓語C主語C+謂語動(dòng)詞B2(變被動(dòng)，與主語一致）+賓語A4aRewritethesentencesusingthepassivevoice.1.Theysoldthefridgeatalowprice._________________________________________________________2.Somebodystolemycamerafrommyhotelroom._________________________________________________________3.Wheredidyoutakethephotosofthesewolves?________________________________________________________4.Theguidewarnedthemnottoclimbthemountaininbadweather.________________________________________________________5.Differentwriterstranslatedthebookintodifferentlanguages.________________________________________________________Thefridgewassold(bythem)atalowprice

.Mycamera

wasstolen(bysomebody)frommyhotelroom.Wherewere

thephotosofthesewolves

taken(byyou)?They

werewarned

nottoclimbthemountaininbadweather

(bytheguide).Thebookwastranslatedintodifferentlanguages(bydifferentwriters).eat,like,invite,tell,

lock,ring,break,bring4bCompletethesentenceswithcorrectformsoftheverbsinthebox.1.You____________tothepartylastnight,weren’tyou?Whydidn’tyougo?2.Theearthquakehappenedallofasudden,butluckilythevillagers____________toasafeplace.3.Thedoor__________whenwearrived,sowe______thebell.4.Thestudents___________nottoeatordrinkinclass,butRuby______therulewhenshestartedeatingabiscuitinscienceclass.5.Thecookies__________bythehungrykidsinlessthan20minutes,andtheyreally_____them.wereinvitedwerebroughtwaslockedrangbrokeweretoldwereeatenlikedDecidewhetheractiveorpassiveformsshouldbeusedinthesesentence.Writethecorrectformsintheblanks.4cThetelephone___________(invent)byAlexanderGrahamBell.He________(born)in1847.Mr.Bell________(work)ontheinventionofthetelephonewithThomasWatson.In1875,Mr.Bell_________(learn)howtosendmusical

notesthroughaninstrument

similartoatelephone.Finally,thetelephone___________(invent)in1876.Thefirstsentencethat_______(say)onthetelephonebyMr.Bellwas“Mr.Watson,comehere;Iwanttoseeyou.”Todaythetelephone______(use)aroundtheworld.wasinventedwasbornworkedlearnedwasinventedwassaidisusedTalkaboutthesequestionsingroups.1.What’syourfavoriteinvention?2.Whenwasitinvented?3.Whowasitinventedby?4.Whatisitusedfor?5.Whatwouldyouliketoinventmost?6.Whywouldyouli