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,动词过去分词和动词不定式及动词的-ing形式称为非谓语动词，是高中阶段学习的重点内容，也是高考的常考内容之一。学习过去分词时应该注意以下几点：一、了解过去分词的基本概念。二、掌握过去分词的基本的用法。三、过去分词和现在分词及不定式在具体应用时的区别。,观察下列句子，注意黑体字部分在句中的成分及作用 He found that it came from the river polluted by the dirty water from London. 他发现水是从被伦敦排出的脏水污染了的河里来的。 But he became inspired when he thought about helping ordinary people exposed to cholera. 但当他想到要帮助那些得了霍乱病的普通百姓时，他感到很振奋。,句中的黑体字部分在句中作定语。句中的黑体字部分在句中作表语。,.过去分词作定语 1. 不及物动词的过去分词一般作前置定语，被修饰词与过去分词之间为主动关系，但表示动作的完成，相当于谓语为完成时的定语从句。 an escaped prisoner = a prisoner who has escaped 一名逃犯 developed countries = countries that have developed发达国家 the risen sun=the sun which has risen升起的太阳,2. 单个及物动词的过去分词一般作前置定语；及物动词短语的过去分词作定语要放在被修饰词之后。被修饰词与过去分词之间为被动及完成的关系，相当于谓语为被动语态的定语从句。 He is a respected teacher. 他是位受人尊敬的老师。 Teenagers exposed to (=who are exposed to) violence and sex on TV or on the Internet are more likely to commit crimes. 接触暴力和色情电视节目和网络内容的青少年极容易犯罪。,. 过去分词作表语 过去分词作表语，常放在系动词be，get，become，grow，turn，remain，seem，appear，feel，look之后，这时候的过去分词常已具备形容词的特点，很多词的前面可以用quite，very，rather等副词修饰，后面常可以接at，with，about等介词，说明主语所处的状态。,The hall was crowded with (挤满) refugees. Most of middle school students are interested in (对感兴趣)pop stars and NBA star players. He appeared (looked, felt )a little excited when he saw his boss. 当他见到他的老板时，他显得(看上去/感到)有点激动。,The river is badly polluted. 这条河受到了严重的污染。(系表结构) The river was polluted by a paper mill. 这条河被一家造纸厂污染了。(被动语态),1. 句型转换 Used plastic can be recycled and reused. Plastic that is used can be recycled and reused. The plan that was put forward by the Trade Union was constructive. The plan put forward by the Trade Union was constructive.,Things that are seen are mightier than things that are heard. Things seen are mightier than things heard. You must drink boiled water, or you can buy bottled water. You must drink water that has boiled, or you can buy water that is bottled.,2. 根据英语及汉语提示完成句子 Those who were wounded in the fight (打架受伤的那些人) were sent to hospital at once. (those) The truck was blocked by a fallen tree (被一棵倒下的树挡住了). (fall) For breakfast he only drinks juice from fresh fruit grown on his own farm (自己农场里种植的). (grow),3. 单项填空 The players _from the whole country are expected to bring us honor in this summer game. 2011湖南高考 A. selecting B. to select C. selected D. having selected 【解析】选C。考查非谓语动词。句意：这些从全国挑选出来的选手都被期待在这次夏季赛事中为我们带来荣誉。the players与select是被动关系，故用过去分词作后置定语。,Throughout history, the language_ by a powerful group spreads across a civilization. A. speaking B. spoken C. to speak D. to be spoken 【解析】选B。考查非谓语动词。句意：纵观历史，一个强大群体使用的语言传播着一种文明。spoken by a powerful group是过去分词短语作后置定语，修饰the language，the language与speak之间是被动关系。,In April，thousands of holidaymakers remained _ abroad due to the volcanic ash cloud. 2010福建高考 A. sticking B. stuck C. to be stuck D. to have stuck 【解析】选B。remain是系动词，后接过去分词短语stuck abroad作表语，表明主语所处的状态。句意为：由于火山灰云的原因，四月份仍有数千度假者滞留在国外。,He looked at me with an_ look. Obviously he was_. A. interested；interested B. interesting；interested C. interested；interesting D. interesting；interesting 【解析】选A。考查interest的非谓语形式作定语和表语。interesting“有趣的”，interested“感兴趣的”。由句意可知A项正确。,4. 根据汉语释义完成句子 老师对他的回答感到非常满意。 The teacher was very satisfied with his answer. 他对考试的结果很失望。 He was disappointed at the result of the examination. 他一生致力于科学研究。 He was devoted to scientific research all his life.,他的女儿嫁给了一位有钱人。 His daughter was married to a rich man. 他害怕独自一人进入那个空房子。 He was frightened of going alone into the empty house.,同学们,来学校和回家的路上要注意安全,同学们,来学校和回家的路上要注意安全,
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