英语九年级Unit5Whataretheshirtsmadeof一般现在时态的被

Objects1.Activevoiceandpassivevoice

2.Theaffirmativesentencestructureofpassivevoice1

ActivevoiceWecleantheclassroombeforeclass.Welistentoteacherscarefullyinclass.Wedoourhomeworkcarefullyafterclass.观察讨论：1.主语we与谓语动词的关系：发出/接受?在主动语态中，主语是动作的发出者(执行者)。

passivevoiceTheclassroomiscleanedbyusbeforeclass.Teachersarelistenedtocarefullybyusinclass.Ourhomeworkisdonecarefullybyusafterclass.2.主语与谓语动词的关系：发出/接受?在被动语态中，主语是动作的承受者（接受者）。Activevoiceorpassivevoice?Englishisfoundveryusefulbyus.Mymotherwashesdisheseveryday.Iamaskedtostudyhard.4(passivevoice)(activevoice)(passivevoice)ThestructuresofpassivevoiceExamples(affirmativesentence):1.Englishisspokenbyme.2.TheroomsarecleanedbyuseverySunday.3.TeaisgrowninHangzhou.5beV-edbeV-edbeV-ed6一般现在时的被动语态:肯定句:主语+be(am/is/are)+V-过去分词+(by…)注意:be动词有人称和数的变化1.Iam

invited

to

the

party.2.Heisinvitedtotheparty.3.EnglishisspokeninChina.4.TwolanguagesarespokeninChina.人称的变化数的变化过去分词的变化形式

一规则变化（1）在动词后加ed：work–workedstay-stayed(2)在以-e结尾动词后只加d：close-closedlike-liked(3)以辅音字母加y结尾的动词，应将y改为i再加-ed：study-studiedcarry-carried

(4)以重读闭音节或r音节结尾且末尾只有一个辅音字母动词，要双写末尾的辅音字母再加-ed：stop-stopped二不规则变化(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