英语人教版九年级全册Grammer.ppt

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1、Unit5SectionAGrammarFocus庙沟门中学：杨红被动语态(PassiveVoice)结构:be+V过去分词am/are/is+及物动词的过去分词一般现在时的被动语态: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+过去分词+(by…)?Asweetsongisn’tsungbyheronthestage.Isasweetsongsungbyheronthestage?4.特殊疑

2、问句疑问词+be+主语+过去分词+(by…)?Whereisasweetsongsungbyher?ManypeoplespeakEnglish.主动句与被动句之间的转换Englishisspokenbymanypeople.主语谓语动词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.其它

3、的成分（定语、状语）不变。2.Thisshopusesthebestmaterialstomakedresses.3.Carelessdrivingcausesmanytrafficaccidents.Thebestmaterialsareusedbythisshoptomakedresses.Manytrafficaccidentsarecausedbycarelessdriving.4bRewritethesentencesusingthepassivevoice.4.Thepostmanbringslettersandpostcardst

4、opeople’shomes.5.Ourfamilydoesnotusethissilverplateveryoften.Lettersandpostcardsarebroughttopeople’shomes(bythepostman).Thissilverplateisnotusedveryofteninourfamily.何时使用被动语态:1.不知道谁是动作的执行者或没有必要强调动作的执行者时Somenewcomputerswerestolenlastnight.一些新电脑在昨晚被盗了。(不知道电脑是谁偷的)2.为了强调或突出主语是动作的

5、承受者时。Thebikesaremadebytheminthefactory.这些自行车在工厂里被他们制造出来。(强调自行车被制造出来）（3）有时为了礼貌等原因不愿说出行为者,这时也常用被动语态。Youarerequestedtogiveaperformance.请你给我们表演一个节目。1.Childrenunder18_______________(notallowed)towatchthisshowwithouttheirparents.2.We_________(pay)bythebossonthelastFridayofeachmont

6、h.3.A:Whatlanguage___________(speak)inGermany?B:MostpeoplespeakGerman,butmanycanspeakEnglish,too.arenotallowedarepaidisspoken4aCompletethesentenceswiththecorrectformsoftheverbsinbrackets.4.Mostoftheearth’ssurface__________(cover)bywater.5.Theclassroom_________(clean)everyday

7、.iscoverediscleaned1)Sunglasses__________(use)forprotectingpeople’seyes.2)Thegirl_______(teach)usEnglishonSundays.3)Myfather________(buy)anewcomputerformeyesterday.4)Listen! They________(sing) in the muiscroom.areusedteachesbought用所给动词的正确形式填空。aresinging5)Whichlanguage_______

8、themostwidely_______(speak)intheworld?6)Heoften______(go)toschoolbybike,but