高二上学期英语备课综合：必修5Unit1Great Scientists grammar 课件（16张ppt）

课件16张PPT。GrammarThe Past Participle as the Attribute and the Predicative 过去分词作定语和表语 (The Past Participle as the Attribute and the Predicative ) 过去分词：属于非谓语动词的一种，不能单独在句子中作谓语，不受人称和数的限制，可在句子中充当定语、表语、状语、宾补等。1. But he became （inspire) when he thought about helping ordinary people (expose)to cholera. 2. So many thousands of (terrify) people died every time there was an outbreak.3. He became (interest) in two theories that possibly explained how cholera killed people. ? ? 4. He was? (determine) to find out why. 5. He found that it came from the river (pollute) by the dirty water from London. ?inspiredexposedterrifiedinteresteddeterminedpolluted一、过去分词作定语(The Past Participle as the Attributive) 1．单个的过去分词作定语时一般兼有被动和完成的意义，常作前置定语。例如： a used stamp 一枚用过的邮票 an injured finger 一根受伤的手指 a broken coin 一枚破损的硬币 a lighted candle 一支点燃的蜡烛注意：(1)过去分词作定语时，有时只有被动意义 spoken English英语口语 written exercises 书面练习 (2)少数表示位移或状态改变的不及物动词的过去分词只有完成的意义。例如：fallen leaves 落叶 the risen sun 升起来的太阳 the advanced countries 发达国家 a returned student 一名归国留学生 a retired teacher 一名退休教师 an escaped prisoner 一名逃跑的囚犯 2．单个过去分词作定语时，通常放在所修饰名词前；过去分词短语作定语时，通常放在所修饰名词后，表示被动和/或完成的意义。例如： a written promise 书面承诺 a divided country 一个被分裂的国家 problem left over by history 3. 过去分词作定语可以转化成定语从句。 【观察例句】 (1)He told us of the great wrong done to him. ＝He told us of the great wrong which had been done to him. (2)The United States is a developed country. ＝The United Stated is a country which has developed. (3)Have you noticed the bridge being built there? ＝Have you noticed the bridge which is being built there?【观察例句】 This is the material tested yesterday. 这是昨天实验的材料。 This is the material being tested now. 这是现在正在实验的材料。 This is the material to be tested tomorrow. 这是明天将要实验的材料。 二、过去分词作表语(Past Participle as the Predicative) 1．过去分词作表语，表示主语的特点或所处的状态，其前面的系动词有包括be在内的多种形式。be动词和系动词1、be 动词2、表示变化的动词:become, get, turn,go, grow等3、感官动词:look, feel, smell, taste, sound等 4、还有seem, appear, stay, keep, remain等 1.She looked worried. 2.I am interested in the book. 3.He was lost in thought. 4.The door remained locked. 5.You seem frightened. 有的已成为固定搭配 ： be covered with be lost in thought be caught in the rain be separated from be interested in be absorbed in 被……覆盖 陷入沉思 被雨淋 从……分离 对…感兴趣 专心致志于…过去分词作表语，构成的系表结构与被动语态的区别：e.g.This shop is now closed． 这家商店现在已经关门了。(状态) This shop is closed at 6 pm everyday． 这家商店每天6点关门。(动作） 下列各句均有一处错误，请指出并改正。 1. The speech that we listened to yesterday afternoon was very moved . 2. F ... ...