《unit 5》课件：grammar focus

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1、Unit5SectionAGrammarFocusIsitmadeofsilver?ItwasmadeinThailand.Whatisthemodelplanemadeof?WhereisteaproducedinChina?Howisitgrown?Itisplantedonthesideofmountains.Theyarepickedbyhandandthenaresentforprocessing.Readthesentencesbelow,payingattentiontotheunderlinedparts.PassiveVoice被动语态(Pa

2、ssiveVoice)结构:be+V-p.p.am/are/is+动词的过去分词一般现在时的被动语态:ManypeoplespeakEnglish.主动句与被动句之间的转换Englishisspokenbymanypeople.主语谓语动词主动语态的过去式宾语主语谓语动词被动语态的过去分词介词+宾语主动句变为被动句所遵循的4个步骤：1.把原主动句中的宾语变为被动句的主语。2.把动词变为被动形式即be+过去分词，并注意其人称和数随主语的变化，而动词的时态则保持不变。3.原主动句的主语如需要则放在by后面以它的宾格形式出现（注代词的宾格），如不需要则可省略。4.其

3、它的成分（定语、状语）不变。Peopleplayfootballallovertheworld.2.TheoldmanonTVtellsastoryonSunday.3.Studentslistentothekindteachercarefully.Footballisplayedallovertheworldbypeople.AstoryistoldbytheoldmanonTVonSunday.Thekindteacherislistenedtobystudentscarefully.把下列的主动句变为被动句。1)Sunglasses__________(

4、use)forprotectingpeople’seyes.2)Apicture_________(put)upontheblackboard.3)French___________(speak)inFrance.areusedisputisspoken用所给动词的正确形式填空。4)Whichlanguage_______themostwidely_______(speak)intheworld?5)Thestudents_____often_____(tell)totakecareoftheirdesksandchairs.6)Vegetables,eggs

5、andfruits_________(sell)inthisshop.isspokenaretoldaresold1.TeaisgrowninSouthChina.（改为主动语态）People________________inSouthChina.2.Peopleusemetalformakingmachines.(改为被动语态)Metal_______________________makingmachines.growtea按要求改写下列句子，一空一词。isusedfor3.TheyproducesilkinSuzhou.(改为被动句)Silk_____

6、_____________inSuzhou.4.Wecallmathsthelanguageofscience.(改为被动句)Maths__________________thelanguageofscience.isproducediscalled1.Cotton(棉花)______inthesoutheastofChina.A.isgrownB.aregrownC.growsD.grow2.TheGreatWall______allovertheworld.A.knowsB.knewC.isknownD.wasknownA选择正确答案。C3.Insomep

7、artsoftheworld,tea______withmilkandsugar.A.isservingB.isservedC.servesD.served4.—Doyouoftencleanyourclassroom?—Yes.Ourclassroom_______everyday.A.cleanB.cleansC.iscleanedD.iscleaningBC被动语态的几种句型1.肯定句主语+be+过去分词+(by…)Asweetsongissungbyheronthestage.2.否定句主语+be+not+过去分词+(by…)3.一般疑问句Be+主语+

8、过去分词+(by…)?Asweetso