grammarfocus.ppt

Period ManypeoplespeakEnglish 主动语态 Englishisspokenbymanypeople 被动语态 Thenaughtyboybrokethewindowyesterday 主动语态 Thewindowwasbroken bythenaughtyboy yesterday 被动语态 主动语态被动语态 Weboughtsomebooks 主动句与被动句之间的转换 Somebookswerebought byus 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 其它的成分 定语 状语 不变 ManypeoplespeakEnglish 主动语态 Englishisspokenbymanypeople 被动语态 Thenaughtyboybrokethewindowyesterday 主动语态 Thewindowwasbroken bythenaughtyboy yesterday 被动语态 主动语态被动语态 一般现在时 一般过去时 被动语态 PassiveVoice 结构 be V p p 一般现在时的被动语态 一般过去时的被动语态 be有时态的变化 主语 is are not v p p by 主语 was were not v p p by 陈述句 主语 be not v p p by 1 ManypeoplespeakEnglish 主动语态 Englishisspokenbymanypeople 被动语态 2 Thenaughtyboybrokethewindowyesterday 主动语态 Thewindowwasbroken bythenaughtyboy yesterday 被动语态 IsEnglishspokenbymanypeople Wasthewindowbroken bythenaughtyboy yesterday 一般疑问句 Is Was Are Were 主语 v p p by Be 主语 v p p by 特殊疑问句 观察GrammarFocus中的问句 归纳 疑问词 be 主语 v p p by 2 Somebodystolemycamerafrommyhotelroom Mycamerawasstolenfrommyhotelroom bysomebody 3 Wheredidyoutakethesephotos Wherewerethesephotostaken 4aRewritethesentencesusingthepassivevoice 4 Ourparentsadvisedusnottogooutalone 5 Differentwriterstranslatedthebookintodifferentlanguages Wewereadvisedbyourparentsnottogooutalone Thebookwastranslatedintodifferentlanguagesbydifferentwriters 4bCompletethesentenceswithcorrectformsoftheverbsinthebox Thekeys wereinvited werebrought waslocked rang weretold broke wereeaten liked 4cWritethecorrectformsintheblanks Thekeys wasinvented wasborn worked learned wasinvented wassaid isused 被动语态的运用 1 不知道谁是动作的执行者或没有必要知道谁是动作的执行者时 Thehouseisquiteold Itwasbuiltin1950 这座房子太旧了 它是1950年建的 Whenwilltheroadbeopenedtotraffic 这条路什么时候通车 2 需要强调动作的对象即宾语时 Calculatorcan tbeusedinthemathexam 计算器不能用于数学考试 Hewasawardedfirstprizeinthatcontest 他在比赛中获得了第一 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 Theconstructionofthen