2、e wrote the letter. (主动语态) The letter was written by him. (被动语态)被动语态的时态变化只变be的形式,be后面的过去分词不变,也就是说被动结构中助动词be有人称、数和时态的变化【主动语态变被动的方法】1.把主动语态里的宾语变为被动里的主语2.把主动语态里的谓语动词加be作为被动里的谓语3.把主动语态的主语变为被动语态的by短语。(①by短语可省略,②'by后的代词用宾格)【主动变被动解题步骤】1.找宾语----即动作的承受者2.判断宾语的单复数----即be动词的单复数3.判断动词的时态----即be动词的时态.4.修改谓语
4、+过去分词+(by~)?特殊疑问句:疑问词(5W1H)+be+主语+过去分词+(by~)?小试牛刀:(2018宁夏预测卷)Englishiswidelyusedaroundtheworld.(试变成以上几种句式)'【考点归纳:】 1、五种常考基本时态(一般现在时、一般过去时、一般将来时、现在完成时)和带情态动词的被动语态用法。 ①一般现在时:am/is/are+及物动词的过去分词 Eg:I'm asked to take care of myself.Football is played all over the world②一般过去时:was/were+及物动词的过去分词Eg:T
5、hehousewasbuiltin1988Hislegwasbrokeninthecaraccident③.一般将来时:will/shall+be+及物动词的过去分词Eg:Morefactorieswillbebuiltinthefuture.④现在完成时:have/hasbeen+过去分词Eg:WehavebeenlearntEnglishfor15years.Luxun’sbookhasbeentranslatedintomanylanguages.⑤.带情态动词的被动语态:“情态动词+ be +过去分词”构成。Eg:Teenagersshouldbeallowedtochoose