谈谈被动语态的用法教学教案教学重点：被动语态的用法。教学难点：主动语态与被动语态的区别。教学时间：一课时。教学对象：高二年级（）班。教学地点：优质课参评教室。教学方法：多媒体教学。英语中及物动词有两种语态，即主动语态和被动语态。主动语态表示主语是动作的执行者被动语态表示主语是动作的承受者。被动语态由“助动词be+及物动词的过去分词”构成。助动词be有人称、时态和数的变化。一、被动语态的用法：1.一般现在时的被动语态构成：is / am / are + 及物动词的过去分词Our classroom is cleaned everyday.I am asked to study hard.Knives are used for cutting things.2.一般过去时的被动语态构成：was / were + 及物动词的过去分词A new shop was built last year.Dinosaur eggs were laid long long ago.3.现在完成时的被动语态构成：has /
