过去分词作状语

1、过去分词作状语过去分词作状语过去分词两大特点 1. 表被动的动作 2. 表已完成的动作 过去分词或过去分词短语可作以下几种状语： 1. 时间状语。可改为时间状语从句，也可在过去分词前加上连词 “when, while, until”等，使其时间意义更明确。例句： Seen from the hill, the park looks very beautiful. (= When it is seen / When we see it from the hill,) 从山上看，这个公园非常美丽。 Dont speak until spoken to. (= Dont speak until yo

2、u are spoken to / until someone speaks to you.) 当别人和你讲话时，你才能讲话。 2. 原因状语。可改为原因状语从句或并列结构。例句： Greatly touched by his teachers words, the boy did a lot of things to help his classmates. (= Because he was greatly touched by., . / He was greatly touched by. so the boy did. ) 这个男孩被老师的话深深地打动了，所以做了很多事来帮助同班同学

3、。 Surprised at what had happened, Tom didnt know what to do. (= Tom was surprised. He didnt know. / Because Tom was surprised., he didnt know.) 汤姆对发生的一切非常惊讶，以致不知如何是好。 3. 条件状语。可加连词 if, unless等；也可换成条件状语从句。例句： Given more time, we could do it much better. (= If we were given) 多给我们点时间，我们会做得更好。 If heated

4、to a high temperature, water will change into vapour. (= If it is heated to.,. / If we heat it to., . ) 水经过高温加热，就会变成蒸汽。 4让步状语。有时可加 although , though , even if, even though , whether, or等连词，可转换成让步状语从句。例句： Though warned of the storm, the farmers were still working in the fields. (= Though they had bee

5、n warned, ） 虽然农民们已被告诫将有风暴，但他们仍然在地里干活。 This material doesnt expand whether heated or not. (. whether it is heated or not). 这种物质无论加热与否均不膨胀。 5. 方式、伴随状语。可改成并列结构或从句。例句： “Hes right.” he said, pleased. (., and he was pleased.) 他高兴地说：“他是对的”。 The teacher entered the classroom, followed by a group of his students. (., and he was followed by a group of his students.) 老师走进教室，后面跟着一群学生。 6. 注意点： 用分词短语作状语时，它逻辑上的主语要与句子的主语保持一致，否则分词短语就要有自己的逻辑主语（用名词或代词的主格来表示）。这种结构称为独立主格结构。例句： All our savings gone, we started looking for jobs. 积蓄全部用完了，我们就开始找工作。(All our savings gone是过去分词的独立主格结构) He rushed into t