e!ThePassiveVoicemadebyAchilles(Mr.Peng)一般现在时的被动语态构成:am/is/are+动词的过去分词主动语态变被动语态的步骤:1.主动语态的宾语变为被动语态的主语;2.主动句的谓语动词变为被动结构;3.主动句的主语变为被动句的宾语,由by引出,当不强调动作的执行者时,常省略。例如:ManypeoplespeakEnglish.Englishisspokenbymanypeople.将下列的句子改为被动语态。1.TheyspeakEnglishinCanada.2.Peopleusewoodformakingtables.3.putersintheUSA.4.TheygrowriceinSouthChina.EnglishisspokeninCanada.putersaremadeintheUSA.RiceisgrowninSouthChina.Teachingaims:1、了解并掌握一般过去时被动语态的肯定句、否定句以及一般疑问句的结构2、能从主动语态变为被动语态3、能熟练运用一般现在时和一般过时的被动语态自学任务(课本134-135)一般过去时被动语态的三种句式结构一般过去时被动语态的三种句式结构肯定句:主语+was/were+动词的过去分词(+by+动作执行者)否定句:主语+was/were+not+动词的过去分词(+by+动作执行者)一般疑问句:Was/Were+主语+动词的过去分词(+by+动作执行者)2.puterlastterm.Acomputerwasbought(byme)lastterm.Thelightwasinventedbyhim.inventHeinventedthelight.