英語九年級Unit5Whataretheshirtsmadeof一般現(xiàn)在時態(tài)的被

Objects1.Activevoiceandpassivevoice

2.Theaffirmativesentencestructureofpassivevoice1

ActivevoiceWecleantheclassroombeforeclass.Welistentoteacherscarefullyinclass.Wedoourhomeworkcarefullyafterclass.觀察討論：1.主語we與謂語動詞的關(guān)系：發(fā)出/接受?在主動語態(tài)中，主語是動作的發(fā)出者(執(zhí)行者)。

passivevoiceTheclassroomiscleanedbyusbeforeclass.Teachersarelistenedtocarefullybyusinclass.Ourhomeworkisdonecarefullybyusafterclass.2.主語與謂語動詞的關(guān)系：發(fā)出/接受?在被動語態(tài)中，主語是動作的承受者（接受者）。Activevoiceorpassivevoice?Englishisfoundveryusefulbyus.Mymotherwashesdisheseveryday.Iamaskedtostudyhard.4(passivevoice)(activevoice)(passivevoice)ThestructuresofpassivevoiceExamples(affirmativesentence):1.Englishisspokenbyme.2.TheroomsarecleanedbyuseverySunday.3.TeaisgrowninHangzhou.5beV-edbeV-edbeV-ed6一般現(xiàn)在時的被動語態(tài):肯定句:主語+be(am/is/are)+V-過去分詞+(by…)注意:be動詞有人稱和數(shù)的變化1.Iam

invited

to

the

party.2.Heisinvitedtotheparty.3.EnglishisspokeninChina.4.TwolanguagesarespokeninChina.人稱的變化數(shù)的變化過去分詞的變化形式

一規(guī)則變化（1）在動詞后加ed：work–workedstay-stayed(2)在以-e結(jié)尾動詞后只加d：close-closedlike-liked(3)以輔音字母加y結(jié)尾的動詞，應(yīng)將y改為i再加-ed：study-studiedcarry-carried

(4)以重讀閉音節(jié)或r音節(jié)結(jié)尾且末尾只有一個輔音字母動詞，要雙寫末尾的輔音字母再加-ed：stop-stopped二不規(guī)則變化(p184,185)

例如go-went-gonemake—made-madeput-put-put等1)Sunglasses__________(use)forprotectingpeople’seyes.2)Apicture_________(put)upontheblackboard.3)French___________(speak)inFrance.Practice:fillintheblankswiththecorrectformsofthewordsareusedisputisspokenSummary1.Activevoiceandpassivevoice2.Theaffirmativesentencestructureo