被动语态教案及习题13页.docx

被动语态一 构成 英语中有两种语态,一种是主动语态,一种是被动语态.主动语态表示主语是谓语动词的执行者,被动语态表示主语是谓语动词的承受者,其构成为“be+过去分词”。eg : My mother takes care of my sister.(主动) My sister is taken care of by my mother.（被动）1. 被动语态各种时态形式表一般时态进行时态完成时态现在amis asked are amis being asked arehave been asked has过去was were asked was were being askedhad been asked将来Should BeWould asked Should Have beenWould asked2. 情