过去分词作表语和被动句中谓语的区别 过去分词作表语时,相当于形容词,表示状态,但是被动语态里的过去分词是动词的一种变化形式,表示被动的动作.如:The composition is well written.These articles are all sold out.The problem is solved.过去分词作.
怎样区别过去分词作表语还是被动语态 1、含义不同:被动语态强2113调动作,重5261点说明动作由谁完成4102、怎样完成;而过去分词作表语通常用1653来描写情景,叙述人或事物的特征及所处的状态。He was driven away in a police car.他被用警车带走了。The guests were introduced to Jane.客人们被介绍给了简。The food was cooked last night.饭是昨天晚上做的。2、用法不同:过去分词作表语时可以被 so,very,too等程度副词修饰,而被动语态则不能用so,very,too修饰,而需用much,very much,so much,too much修饰。Be prepared。大家准备好。Please remain seated.请不要站起来。He seemed embarrassed.他似乎有点尴尬。Soon he grew used to it.不久他变得对它习惯了。3、结构不同:被动语态”的构成是:be+过去分词+(by+动作执行者),而过去分词作表语后不接介词by,但可以接其它的介词,表示特征.1、The cup was broken by him.(被动)杯子被他打碎了。2、The cup is broken.(系表)杯子碎了。
过去分词作定语和表语 过去分词作定语有前置和后置两种情况.1、前置定语单个的过去分词作定语,通常放在被修饰的名词之前,表示被动和完成意义.A类:被动意义:an honored guest 一位受尊敬的客人The injured workers are now being taken good care of in the hospital.受伤的工人现正在医院受到良好的照料.B类:完成意义:a retired teacher 一位退休的教师They are cleaning the fallen leaves in the yard.他们正在打扫院子里的落叶.2、后置定语过去分词短语作定语时,通常放在被修饰的名词之后,它的作用相当于一个定语从句.如:This will be the best novel of its kind ever written(=that has ever been written).这将是这类小说中写得最好的.Who were the so-called guests invited(=who had been invited)to your party last night?昨晚被邀请参加你的晚会的那些所谓的客人是谁呀?过去分词作表语作表语的过去分词主要来自及物动词,在主-系-表句型中,说明主语所处的一种状态.其中系动词有包括be在内的多种形式.如:You seem frightened.你看样子受了惊吓.少数不及物动词(如go,come,set)的过去分词也能作表语,但它们不表示被动意义,只是表示动作完成.如:They are gone for 。