1、一、过去分词（短语）作状语，表示被动或完成的动作1.作时间状语过去分词作时间状语时，相当于一个when,while,after,once等引导的时间状语从句。Once published(=Once it is published),the dictionary will be very popular.一旦出版，这本词典将大受欢迎。语法：过去分词作状语2.作原因状语过去分词作原因状语时，相当于一个as,since,because等引导的原因状语从句。Absorbed in painting(=Because John was absorbed in painting),John didnt
2、notice evening approaching.由于专心画画，约翰没有注意到夜幕正在降临。3.作条件状语过去分词作条件状语时，相当于一个if,unless等引导的条件状语从句。Given another hour(=If I am given another hour),I can also work out this problem.如果再给我一个小时，我也能把这道题算出来。4.作让步状语过去分词作让步状语时，相当于一个though,although,even if/though等引导的让步状语从句。Beaten by the opposite team(=Though we were
3、 beaten by the opposite team),we didnt lose heart and encouraged each other.虽然被对方的队打败了，但我们并没有灰心而是相互鼓励。5.作方式或伴随状语过去分词作方式或伴随状语时，可以转换成一个并列句。The old man got on the bus,supported by a girl(=and he was supported by a girl).在一位姑娘的搀扶下，老人上了公共汽车。1.过去分词作状语时，其前面可以带有相应的连词，如when,though,although,as if,as though,if
4、,unless,until,once等，表时间、让步、条件、方式等。If(I am)invited,I will attend the wedding of my friend.如果受到邀请，我会参加我朋友的婚礼。二、过去分词作状语的注意事项2.过去分词作状语时，其逻辑主语必须与句子的主语保持一致（现在分词作状语同样如此），否则需加上自己的主语，构成独立主格结构。Given a chance,we can surprise the world.若给我们一个机会，我们会使世界惊奇。He was listening attentively in class,his eyes fixed on th
5、e blackboard.他上课专心听讲，眼睛紧盯着黑板。3.有些过去分词已形容词化，作状语时表示人的状态。常见的有：satisfied,surprised,interested,moved,worried,pleased,disappointed等。Disappointed at the examination results,the girl stood there without saying a word.因为对考试结果很失望，小女孩站在那儿一句话也没说。三、过去分词与现在分词作状语的区别项目逻辑关系时间概念过去分词作状语过去分词作状语时，过去分词所表示的动作与句子的主语之间是逻辑上的
6、动宾关系，即表被动过去分词所表示的动作往往发生于谓语动词所表示的动作之前，或表示一种状态，与谓语动词所表示的动作同时发生或存在现在分词作状语现在分词的一般式(doing)和完成式(having done)作状语时，现在分词所表示的动作与句子的主语之间是逻辑上的主谓关系，即表主动现在分词的一般式(doing)表示的动作与谓语动词所表示的动作同时发生或几乎同时发生；现在分词的完成式(having done)表示的动作发生在谓语动词所表示的动作之前1.Clearly and thoughtfully _(write),the book inspires confidence in students
7、who wish to seek their own answers.2._(found)in the early 20th century,the school keeps on inspiring childrens love of art.written Founded 3.Video games can be a poor influence if _(leave)in the wrong hands.4.Children,when _(accompany)by their parents,are allowed to enter the stadium.5.The lecture _(give),a lively question-and-answer session followed.left accompanied having been given
