人教九年級(jí)英語(yǔ)上冊(cè)Unit 6 Section A (Grammar Focus-4c) 教案教學(xué)設(shè)計(jì)

Unit6Whenwasitinvented?SectionA(GrammarFocus~4c)教學(xué)目標(biāo)【知識(shí)與技能】1.掌握本課詞匯:fridge,low,somebody,translate,lock,earthquake,sudden,allofasudden,biscuit,cookie,instrument2.進(jìn)行一步復(fù)習(xí)鞏固學(xué)習(xí)SectionA部分所學(xué)的生詞和詞組。3.進(jìn)一步學(xué)習(xí)運(yùn)用一般過(guò)去時(shí)態(tài)的被動(dòng)語(yǔ)態(tài)。4.掌握主動(dòng)語(yǔ)態(tài)變被動(dòng)語(yǔ)態(tài)的方法，并通過(guò)不同方式的練習(xí)，來(lái)熟練運(yùn)用。【情感、態(tài)度與價(jià)值觀】培養(yǎng)想象力，善于觀察事物。面對(duì)難題，用積極的態(tài)度去解決，發(fā)揮想象力，認(rèn)識(shí)世界，改造世界。教學(xué)重難點(diǎn)【教學(xué)重點(diǎn)】1.學(xué)習(xí)生詞fridge,low,somebody,translate,lock,earthquake,sudden,allofasudden,biscuit,cookie,instrument2.復(fù)習(xí)鞏固SectionA部分所學(xué)的生詞和詞組，達(dá)到熟練運(yùn)用的目?！窘虒W(xué)難點(diǎn)】1.一般過(guò)去時(shí)態(tài)的句子變?yōu)楸粍?dòng)語(yǔ)態(tài)。2.綜合運(yùn)用所學(xué)的知識(shí)進(jìn)行練習(xí)運(yùn)用。教學(xué)過(guò)程Step1Warming-upandrevision1.Haveadictationofthenewwordslearnedinthelastclass.2.Reviewsomemainphraseswelearnedinthelastclass.Checkthehomework.3.LetsomeSstellsomethingabouthowteawasinventedbyaccident.Tellsomethingabouthowteawasinventedbyaccident.OnedayShenNongwasboilingdrinkingwateroveranopenfire.Someleavesfromateaplantfellintothewaterandremainedthereforsometime.Itproducedanicesmellsohetastedthebrownwater.Itwasquitedeliciousandoneoftheworld’sfavoritedrinkwasinvented.TellsomethingaboutLuYuandhisChaJing.LuYu“thesaintoftea”mentionedShenNonginhisbookChaJing.Thebookdescribeshowteaplantsweregrownandusedtomaketea.Italsodiscusseswherethefinesttealeaveswereproducedandwhatkindsofwaterwereused.ItisbelievedthatteawasbroughttoKoreaandJapanduring6thand7thcenturies.InEngland,teadidn’tappearuntilaround1660.TheteatradefromChinatoWesterncountriestookplaceinthe19thcentury.Step2GrammarFocus.1.學(xué)生閱讀GrammarFocus中的句子，然后做填空練習(xí)。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(shuí)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(shí)候被帶到朝鮮去的？___________tea________toKorea?⑥茶葉在六到七世紀(jì)之間被帶到朝鮮。It____________toKorea________the6thand7thcenturies.⑦熱冰淇淋勺用來(lái)做什么？What____thehotice-cream__________?⑧它用于挖很冷的冰淇淋。It’s_________________reallycoldice-cream.⑨電話機(jī)在1876年被貝爾所發(fā)明。Thetelephone__________________AlexanderGrahamBellin1876.⑩貝爾于1876年發(fā)明了電話機(jī)。AlexanderGrahamBell______thetelephonein1876.2.學(xué)生們根據(jù)記憶，看大屏幕來(lái)完成填空練習(xí)。3.學(xué)生們完成填空試題后，可以打開(kāi)課本檢查答案，對(duì)錯(cuò)誤的句子，單獨(dú)進(jìn)行強(qiáng)化記憶。Step3Grammar一般過(guò)去時(shí)態(tài)的被動(dòng)語(yǔ)態(tài)的構(gòu)成英語(yǔ)有兩種語(yǔ)態(tài)：主動(dòng)語(yǔ)態(tài)和被動(dòng)語(yǔ)態(tài)。主動(dòng)語(yǔ)態(tài)表示主語(yǔ)是動(dòng)作的執(zhí)行者，而被動(dòng)語(yǔ)態(tài)則表示主語(yǔ)是動(dòng)作的承受者。如：Wecleanedtheclassroomyesterday.我們昨天打掃了教室。(主動(dòng)語(yǔ)態(tài)，主語(yǔ)we是clean這一動(dòng)作的執(zhí)行者)Theclassroomwascleanedyesterday.教室昨天被打掃。(被動(dòng)語(yǔ)態(tài)，主語(yǔ)theclassroom是clean這一動(dòng)作的承受者)一、一般過(guò)去時(shí)被動(dòng)語(yǔ)態(tài)一般過(guò)去時(shí)被動(dòng)語(yǔ)態(tài)的結(jié)構(gòu)為“主語(yǔ)+was/were+及物動(dòng)詞的過(guò)去分詞(+by+動(dòng)作的執(zhí)行者).”。如：Treeswereplantedlastspring.去年春天種了樹(shù)。1.肯定句：主語(yǔ)+was/were+及物動(dòng)詞的過(guò)去分詞+其他.PaperwasinventedbyChinesepeopletwothousandyearsago.紙是中國(guó)人在二千多年前發(fā)明的。2.否定句：主語(yǔ)+was/werenot+及物動(dòng)詞的過(guò)去分詞+其他.Womenwerenotallowedtotakepartinthegamesatfirst.開(kāi)始婦女不允許參加奧運(yùn)會(huì)。3.一般疑問(wèn)句：Was/Were+主語(yǔ)+及物動(dòng)詞的過(guò)去分詞+其他?Werethesepicturesdrawnbyyoursister?這些圖片是由你妹妹畫(huà)的嗎？二、被動(dòng)語(yǔ)態(tài)的用法：1.不知道誰(shuí)是動(dòng)作的執(zhí)行者，或沒(méi)有必要指出誰(shuí)是動(dòng)作的執(zhí)行者。e.g.Englishisspokenallovertheworld.全世界都在說(shuō)英語(yǔ)。2.需要突出或強(qiáng)調(diào)動(dòng)作的承受者。e.g.Thisdictionaryisusedbymoststudents.這本字典是大多數(shù)學(xué)生在用的。三、主動(dòng)語(yǔ)態(tài)變被動(dòng)語(yǔ)態(tài)應(yīng)注意的問(wèn)題1.有些短語(yǔ)動(dòng)詞相當(dāng)于及物動(dòng)詞，變?yōu)楸粍?dòng)句時(shí)介詞或副詞不能去掉。Theyputoffthemeetingbecauseoftheweather.Themeetingwasputoffbecauseoftheweather.會(huì)議因天氣的緣故被推遲了。2.含有雙賓語(yǔ)的主動(dòng)句變?yōu)楸粍?dòng)句時(shí)，通常把指“人”的間接賓語(yǔ)變?yōu)橹髡Z(yǔ)，指“物”的直接賓語(yǔ)保留不變；如果把指物”的直接賓語(yǔ)變?yōu)橹髡Z(yǔ)，則在間接賓語(yǔ)前加to或for。Myauntgavemeane-dictionaryyesterday.Iwasgivenane-dictionaryyesterday.Ane-dictionarywasgiventomeyesterday.3.主動(dòng)句中感官動(dòng)詞see/hear/watch/feel等和使役動(dòng)詞make/let/have等后跟省略to的動(dòng)詞不定式，變?yōu)楸粍?dòng)語(yǔ)態(tài)時(shí)應(yīng)加上不定式符號(hào)to。Isawaheavymanenterthehouse.Aheavymanwasseentoenterthehouse.4.系動(dòng)詞、不及物動(dòng)詞或某些短語(yǔ)動(dòng)詞（happen,takeplace,cometrue,fallasleep…）沒(méi)有被動(dòng)語(yǔ)態(tài)。WhathappenedtoMr.Brown?布朗先生發(fā)生了什么事？Step4Exercises將下列句子變?yōu)楸粍?dòng)語(yǔ)態(tài)。1.Hechosesixstorybookstheotherday.Sixstorybooks____________byhimtheotherday.2.UncleLeegaveJackalargecakeforhepaintedthewallwonderfully.Jack___________alargecakeforhepaintedthewallwonderfully.3.Amouseatehalfofthecakelastnight.Halfofthe_________byamouselastnight.Step5PracticeWorkon4a:1.TellSstoreadthesentencesin4aandrewritethesentencesusingthepassivevoice.2.做題方法點(diǎn)撥示例：①點(diǎn)撥：原句為一般過(guò)去時(shí)態(tài)，原句的謂語(yǔ)動(dòng)詞為sold，賓語(yǔ)為thefridge；改為被動(dòng)語(yǔ)態(tài)時(shí)，應(yīng)將thefridge作主語(yǔ)，謂語(yǔ)動(dòng)詞用wassold的形式。Theysoldthefridgeatalowprice.→Thefridgewassoldatalowprice.②點(diǎn)撥：分析原句的句子結(jié)構(gòu)可知，stole是謂語(yǔ)動(dòng)詞，mycamera是句子的賓語(yǔ)；改為被動(dòng)語(yǔ)態(tài)句時(shí)，應(yīng)將mycamera作句子主語(yǔ)，謂語(yǔ)動(dòng)詞用wasstolen的形式。Somebodystolemycamerafrommyhotelroom.→Mycamerawasstolenfrommyhotelroom.學(xué)生們自主將其他三個(gè)句子變成被動(dòng)語(yǔ)態(tài)。3.最后，教師與同學(xué)們一起校對(duì)答案，并對(duì)學(xué)生們有疑問(wèn)的地方進(jìn)行解釋?zhuān)蜃龀龊侠淼姆治鳇c(diǎn)撥。Wherewerethesephotostaken?Wewereadvisednottogooutalone.Thebookwastranslatedintodifferentlanguagesbydifferentwriters.Workon4bCompletethesentenceswithcorrectformsoftheverbsinthebox.1.讓學(xué)生們閱讀方框中的詞匯，了解詞匯及句子的意思，為進(jìn)行填詞做好準(zhǔn)備。eat,like,invite,tell,lock,ring,break,bring2.認(rèn)真閱讀每個(gè)句子，根據(jù)上下文確定空格處應(yīng)填的意思。3.逐句進(jìn)行分析推敲，然后分析句子的時(shí)態(tài)及語(yǔ)態(tài)，用適當(dāng)?shù)男问教羁铡?)You____________tothepartylastnight,weren’tyou?Whydidn’tyougo?2)Theearthquakehappenedallofasudden,butluckilythevillagers_____________toasafeplace.3)Thedoor___________whenwearrived,sowe______thebell.[來(lái)源:學(xué)_科_網(wǎng)Z_X_X_K]4)Thestudents___________nottoeator drinkinclass,butRuby______therulewhenshestartedeatingabiscuitinscience class.5)Thecookies__________bythehungrykidsinlessthan20minutes,andtheyreally_____them.4.最后，通讀一遍所有句子，進(jìn)行綜合理解，看句子的意思是否通順，合理。5.ChecktheanswerswiththeSs.1.wereinvited2.werebrought3.waslocked,rang(前一句中，門(mén)是被鎖的，故應(yīng)用被動(dòng)語(yǔ)態(tài)；后一句中，我們?nèi)グ撮T(mén)鈴，是主動(dòng)語(yǔ)態(tài)。)4.weretold,broke(前一句中，學(xué)生們是被告訴不要做這些事情，故應(yīng)用被動(dòng)語(yǔ)態(tài)；后一句中，Ruby違反規(guī)則，則是主動(dòng)語(yǔ)態(tài)。)5.wereeaten,liked(前一句中，餅干是被孩子們吃掉了，故應(yīng)用被動(dòng)語(yǔ)態(tài)；后一句中，孩子們喜歡這些餅干，則是主動(dòng)語(yǔ)態(tài)。)Step6PracticeWorkon4cDecidewhetheractiveorp