被动语态.doc.doc

被动语态的用法小结被动语态表示句子的主语和谓语动词之间是被动关系，其句子的谓语动词是“BE及物动词的过去分词”。此外，被动语态的句子还有各种时态的变化，都体现在BE上。例如①THEWORKWASCOMPLETEDONAWINDYNIGHT②THISKINDOFCHOCOLATEHASBEENMADESEVERALTIMES③THEROADWILLBEBUILTNEXTYEAR④THEHOUSEWASBEINGCLEANEDWHENICAMEHOME⑤THESETREESMUSTBETAKENGOODCAREOF下面我们详细的来了解一下★使用被动语态的场合1、不知道或不必指出动作的执行者时。如COMPUTERSAREWIDELYUSEDINTRANSPORTTHEHOUSEHASBEENBROKENINTO2、强调动作的承受者时。如ATHIRDRINGWILLBEBUILTAROUNDTHISCITY3、出于策略、婉转、礼貌等不提出动作的执行者时。如MUCHHASBEENSAIDBUTLITTLEHASBEENDONEABOUTTHEISSUE4、有些措词故意避免用主语，或用“有人”、“大家”之类，经常用IT作形式主语构成被动语态结构。如ITISSAIDTHATANOTHERSTEELPLANTWILLBESETUPINTHISCITY特别记住下列句型ITISHOPEDTHAT希望ITISSUPPOSEDTHAT据推测说ITMUSTBEPOINTEDOUTTHAT必须指出ITWILLBESEENTHAT由此可以看出ITISKNOWNTHAT据说ITISWELLKNOWNTHAT众所周知ITISBELIEVEDTHAT有人相信ITISTHOUGHTTHAT人们认为★主动语态变为被动语态转换图示1、主动语态变为被动语态的步骤（1）将主动句的宾语变为主语注意如果主动句的宾语是代词，需将其由宾格变为主格。如TOMKILLEDHIM→HEWASKILLEDBYTOM（2）将动词改为BE过去分词。注意THEYHELDAMEETINGYESTERDAY→AMEETINGWASHELDBYTHEMYESTERDAY他们昨天开会了。（3）将主动语态的主语改为BE放在谓语动词后。注意如果原主语是代词，则应由主格变为宾格。HESANGASONG→ASONGWASSUNGBYHIM各种时态的