一、你要知道被动语态的结构是:be +过去分词 二、你要注意原句的时态,它决定了be形式 三、掌握住变被动句的方法:宾变主,主变介宾,谓语形式变被动。所以你应该在做题之前将原句的主谓宾画出来。那样做题就好做了。 He doesn't use keyboards to type information into the computer 主 谓语 ...
改成:The keyborads were not used to type information into the computer by him. 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...