九年級英語上冊Unit6導學案課型：設計：審核：審批：班級：小組：姓名：使用時間：月日星期Unit6whenwasitinvented?SectionAgrammarfocus第四課時LearningObjectivesTounderstandandusethepassivevoice(pasttense)be+v(ed).Totalkaboutwheninventionswereinventedandwheretheywereinvented.Ifyoulike,youcanpracticemore.自學指導自學檢測及課堂展示Leadin1.拉鏈是什么時候被發(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.5.茶葉什么時候被帶到韓國去的？___________tea_________toKorea?6.是在六到七世紀之間被帶到韓國。It____________toKorea________the6thand7thcenturies.7.熱冰淇淋勺用來做什么？What___thehotice-creamscoop__________?8.它用來舀很冷的冰淇淋。It’s_______________reallycoldice-cream.Grammarfocus英語中有兩種語態(tài)。即主動語態(tài)(TheActiveVoice)與被動語態(tài)（ThePassiveVoice)。表示主語是動作的執(zhí)行者;表示主語是動作的承受者.用法不知道或沒必要指出動作的執(zhí)行者Thesebooksforchildren.這些書是為兒童寫的。強調或突出動作的承受者ThebookbyMoYan.這本書是由莫言寫的。動作的執(zhí)行者不是人而是無生命的事物Manytrafficaccidentsbycarelessdriving.很多交通事故是由粗心駕駛造成的。一般過去時的被動語態(tài)的句式結構有哪些?一般過去時的被動語態(tài)肯定句否定句一般疑問句特殊疑問句主動語態(tài)變?yōu)楸粍诱Z態(tài)的方法Edisoninventedthelightbulb.主語謂語動詞主動語態(tài)(過去時)賓語ThelightbulbwasinventedbyEdison.主語謂語動詞被動語態(tài)(be+V-ed)介詞+賓語◆主動語態(tài)變被動語態(tài)的方法主動語態(tài)的_____變成被動語態(tài)的_____。2.主動語態(tài)的謂語動詞變成“__________+及物V-ed”形式。3.主動語態(tài)的_____變成by引導的介詞短語放在主謂結構后面，有時可以省略。4.其他成分不變主動語態(tài)變被動語態(tài)應注意的問題1.有些短語動詞相當于及物動詞，變?yōu)楸粍泳鋾r介詞或副詞不能去掉。e.g.Theyputoffthemeetingbecauseoftheweather.Themeetingwasputoffbecauseoftheweather.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，則在間接語前加to或for。e.g.Myauntgavemeane-dictionaryyesterday.Iwasgivenane-dictionaryyesterday.Ane-dictionarywasgiventomeyesterday.3.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)時應加上不定式標志to。e.g.Isawaheavymanenterthehouse.Aheavymanwasseen(byme)toenterthehouse.4.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?主動語態(tài)不能變成被動語態(tài)的情況主動語態(tài)不能變成被動語態(tài)的情況當賓語是反身代詞或相互代詞時Hemadehimselfacupofcoffee.Theyhelpeachother.當賓語是不定式或V-ing時Weallwanttobeteachers.當某些動詞表示狀態(tài)或結果時Themilktastesslightlysour.當賓語表示數(shù)量、重量、大小或程度Thejadeweighsoneton.Rewrite1.Someonestolemywatch. ____________________________________________2.Theyusedfiveeggstomakethisbigcake. ___________________________________________3.Whendidtheyinventthepersonalcomputer? ___________________________________________4.Theyaskedusnottoruninthehallway.____________________________________________5.Someonetookthevideobacktothestore._____________________________________________Practice1.Thesedaysstudentsinsomeschools______nottousemobilephones.A.askB.asked C.areasked D.wereasked2.Alotoftrees______onthehillyesterday.A.areplanted B.willbeplantedC.havebeenplanted D.wereplanted3.WhenTim_______whyhewaslateforschool,hejustkeptsilent.

A.wasasked

B.asked

C.w