【摘要】英语专四语法知识点被动语态误用辨析 1.中文：他们结婚两年了。 They have married for two years. They have been married for two years.(表示已婚状态的持续，要用完成时的被动式。) 2.中文：他被所有学生嘲笑。 He was laughed by all the pupils. He was laughed at by all the pupils.(不及物动词+介词=及物动词，变被动语态时介词不能省略。) 3.中文：英语难学。 English is difficult to be learned. English is difficult to learn.(英语难学=学英语难，也可说Its difficult to learn English。原句的主语实际上是不定式的逻辑宾语，不定式要用主动形式。)
