Unit-1-When-was-it-inven教學(xué)講解課件

Unit1Whenwasitinvented?1ppt課件Unit11ppt課件SectionAGrammarFocus~4c2ppt課件SectionA2ppt課件1.rule(動詞)___________2.near(副詞)______________3.nation(形容詞)_____________4.偶然；意外地______________5.發(fā)生______________6.毫無疑問；的確____________7.跌落____________Revision一、按要求寫出下列詞匯或詞組takeplacenearlyrulenationalbyaccidentwithoutdoubtfallinto3ppt課件1.rule(動詞)___________RevisiTellsomethingabouthowteawasinventedbyaccident.OnedayShenNongwasboilingdrinkingwateroveranopenfire.Someleavesfromateaplantfellintothewaterandremainedthereforsometime.4ppt課件TellsomethingabouthowteawItproducedanicesmellsohetastedthebrownwater.Itwasquitedeliciousandoneoftheworld’sfavoritedrinkwasinvented.5ppt課件ItproducedanicesmellsoheLuYu“thesaintoftea”mentionedShenNonginhisbookChaJing.Thebookdescribeshowteaplantsweregrownandusedtomaketea.Italsodiscusseswherethefinesttealeaveswereproducedandwhatkindsofwaterwereused.TellsomethingaboutLuYuandhisChaJing.6ppt課件LuYu“thesaintoftea”mentiItisbelievedthatteawasbroughttoKoreaandJapanduring6thand7thcenturies.InEngland,teadidn’tappearuntilaround1660.TheteatradefromChinatoWesterncountriestookplaceinthe19thcentury.Tellsomethingabouthowteaspreadtoothercountries.7ppt課件Itisbelievedthatteawasbr根據(jù)課本內(nèi)容，完成下列句子。1.拉鏈?zhǔn)鞘裁磿r候被發(fā)明的？ ___________thezipper________?2.它于1893年被發(fā)明。 It_______________in1893.GrammarFocuswasinventedWhenwasinvented8ppt課件根據(jù)課本內(nèi)容，完成下列句子。1.拉鏈?zhǔn)鞘裁磿r候被發(fā)明的？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.5.茶葉什么時候被帶到朝鮮去的？___________tea_________toKorea?6.是在六到七世紀(jì)之間被帶到朝鮮。It____________toKorea________the6thand7thcenturies.wasinventedbyWhenwasbroughtwasbroughtduringWhowasby9ppt課件3.它是由誰發(fā)明的？wasinventedbyW7.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.usedforservingisusedfor10ppt課件7.熱冰淇淋勺用來做什么？usedforser9.貝爾于1876年發(fā)明了電話機。AlexanderGrahamBell_________thetelephonein1876.10.電話機在1876年被貝爾所發(fā)明。Thetelephone__________________AlexanderGrahamBellin1876.inventedwasinventedby11ppt課件9.貝爾于1876年發(fā)明了電話機。inventedwasGrammar英語有兩種語態(tài)：主動語態(tài)和被動語態(tài)。主動語態(tài)表示主語是動作的執(zhí)行者，而被動語態(tài)則表示主語是動作的承受者。如：Wecleanedtheclassroomyesterday.我們昨天打掃了教室。(主動語態(tài)，主語we是clean這一動作的執(zhí)行者)12ppt課件Grammar英語有兩種語態(tài)：主動語態(tài)和被動語態(tài)。主動語態(tài)表Theclassroomwascleanedyesterday.教室昨天被打掃。(被動語態(tài)，主語theclassroom是clean這一動作的承受者)13ppt課件Theclassroomwascleanedyest一、一般過去時被動語態(tài)一般過去時被動語態(tài)的結(jié)構(gòu)為“主語+was/were+及物動詞的過去分詞(+by+動作的執(zhí)行者).”。如：Treeswereplantedlastspring.去年春天種了樹。14ppt課件一、一般過去時被動語態(tài)14ppt課件1.肯定句：主語+was/were+及物動詞的過去分詞+其他.e.g.Paperwasinvented

byChinesepeopletwothousandyearsago.紙是中國人在二千多年前發(fā)明的。

15ppt課件1.肯定句：15ppt課件2.

否定句： 主語+was/werenot+及物動詞的過去分詞+其他.e.g.

Womenwerenotallowedtotakepartinthegamesatfirst.開始婦女不允許參加奧運會。16ppt課件2.否定句：e.g.Womenwerenotalle.g.Wasthispicturedrawnbyyoursister?這幅畫是你妹妹畫的嗎？

3.一般疑問句：

Was/Were+主語+及物動詞的過去分詞+其他?17ppt課件e.g.Wasthispicturedrawnby二、被動語態(tài)的用法：1.不知道誰是動作的執(zhí)行者，或沒有必要指出誰是動作的執(zhí)行者。e.g.English

isspokenallovertheworld.全世界都在說英語。2.需要突出或強調(diào)動作的承受者。e.g.Thisdictionaryisusedbymoststudents.這本字典是大多數(shù)學(xué)生在用的。18ppt課件二、被動語態(tài)的用法：18ppt課件1.有些短語動詞相當(dāng)于及物動詞，變?yōu)楸粍泳鋾r介詞或副詞不能去掉。

e.g.Theyputoffthemeetingbecauseoftheweather.→Themeetingwasputoffbecauseoftheweather.會議因天氣的緣故被推遲了。三、主動語態(tài)變被動語態(tài)應(yīng)注意的問題19ppt課件1.有些短語動詞相當(dāng)于及物動詞，變?yōu)楸粍泳鋾r介詞或副詞不能2.含有雙賓語的主動句變?yōu)楸粍泳鋾r，通常把指“人”的間接賓語變?yōu)橹髡Z，指“物”的直接賓語保留不變；如果把指“物”的直接賓語變?yōu)橹髡Z，則在間接賓語前加to或for。e.g.Myauntgavemeane-dictionaryyesterday.

I

wasgivenane-dictionaryyesterday.

Ane-dictionarywasgiven

tome

yesterday.20ppt課件2.含有雙賓語的主動句變?yōu)楸粍泳鋾r，e.g.Myaun3.主動句中感官動詞see/hear/watch/feel等和使役動詞make/let/have等后跟省略to的動詞不定式，變?yōu)楸粍诱Z態(tài)時應(yīng)加上不定式符號to。e.g.Isawaheavymanenterthehouse.

Aheavymanwasseentoenterthehouse.21ppt課件3.主動句中感官動詞see/hear/watch4.系動詞、不及物動詞或某些短語動詞（happen,takeplace,cometrue,fallasleep…）沒有被動語態(tài)。e.g.WhathappenedtoMr.Brown?布朗先生發(fā)生了什么事？22ppt課件4.系動詞、不及物動詞或某些短語動詞（happen,ta將下列句子變?yōu)楸粍诱Z態(tài)。1.Hechosesixstorybookstheotherday. Sixstorybooks____________byhimthe otherday.2.UncleLeegaveJackalargecakeforhe paintedthewallwonderfully. Jack__________alargecakeforhe paintedthewallwonderfully.練一練wasgivenwerechosen23ppt課件將下列句子變?yōu)楸粍诱Z態(tài)。1.Hechosesixs3.Amouseatehalfofthecakelastnight. Halfofthecake__________byamouselastnight.waseaten將下列句子變?yōu)橹鲃诱Z態(tài)。4.WerethesemachinesinventedbyEdison? _____Edison_______thesemachines?Didinvent24ppt課件3.Amouseatehalfofthecak5.ThepostcardwassenttoLindabyPaul. Paul_____thepostcard___Linda.6.AmericawasdiscoveredbyColumbus. Columbus__________America.senttodiscovered25ppt課件5.ThepostcardwassenttoL對劃線部分提問7.Shoeswithlightswereusedforseeingin

thedark. ___________shoeswithlights______for?8.PaperwasinventedinChinaalmosta

thousandyearsago. ___________paper_________inChina?usedWhatwereWhenwasinvented26ppt課件對劃線部分提問7.Shoeswithlightsw4aPracticeRewritethesentencesusingthepassivevoice.點撥：原句為一般過去時態(tài)，原句的謂語動詞為sold，賓語為thefridge；改為被動語態(tài)時，應(yīng)將thefridge作主語，謂語動詞用wassold的形式。1.Theysoldthefridgeatalowprice.

Thefridgewassoldatalowprice.27ppt課件4aPracticeRewritethesentence點撥：分析原句的句子結(jié)構(gòu)可知，stole是謂語動詞，mycamera是句子的賓語；改為被動語態(tài)句時，應(yīng)將mycamera作句子主語，謂語動詞用wasstolen的形式。2.Somebodystolemycamerafrommyhotelroom.Mycamerawasstolenfrommyhotelroom.28ppt課件點撥：分析原句的句子結(jié)構(gòu)可知，stole是謂語動詞，myc3.Wheredidyoutakethesephotos? _________________________________4.Ourparentsadvisedusnottogooutalone. _________________________________5.Differentwriterstranslatedthebookintodifferentlanguages.

Wherewerethesephotostaken?Wewereadvisedbyourparentsnottogooutalone.Thebookwastranslatedintodifferentlanguagesbydifferentwriters.29ppt課件3.Wheredidyoutaketheseph1.You____________tothepartylastnight, weren’tyou?Whydidn’tyougo?2.Theearthquakehappenedallofasudden, butluckilythevillagers_____________to asafeplace.wereinvitedeat,like,invite,tell,lock,ring,break,bringwerebrought4bCompletethesentenceswithcorrectformsoftheverbsinthebox.句子主語you與invite之間存在被動關(guān)系。villagers與bring之間存在被動關(guān)系30ppt課件1.You____________tothepar3.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(guān)系；而we與ring之間則為主動關(guān)系；其他各題相同。31ppt課件3.Thedoor___________whenwThetelephone______________(invent)byAlexanderGrahamBell.He__________(born)in1847.Mr.Bell________(work)ontheinventionofthetelephonewithThomasWatson.wasbornwasinventedworkedDecidewhetheractiveorpassiveformsshouldbeusedinthesesentence.Writethecorrectformsintheblanks.4cthetelephone與invent之間存在被動關(guān)系；Mr.Bell與work之間是主動關(guān)系。32ppt課件Thetelephone______________(In1875,Mr.Bell_________