人教版高考英语必修5课件Unit1语法专题课2.ppt-(课件无音视频)
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1、1.To master the basic usage of past participle as attribute and predicative.2.To learn to use past participle in the real situation through self-study and practice.3.To help students be absorbed in English study and enjoy the beauty of English.Learning Aims John Snow was a doctor who became 1 when t
2、hinking about helping patients.At the time when he lived,many people died of cholera.There were two theories 2 how cholera killed people,however,John Snow suspected the one thinking people absorbed the disease into their bodies with meals was correct but he needed evidence.In 1854 he found that in t
3、wo particular streets the cholera outbreak was so severe that over 500 people3 to cholera died in a short time.He did the research and concluded that the water in the streets was to blame.People were 4 not to drink 5 water any more.Finally,cholera was6 .explainingFill in the blank with the words tha
4、t you hear.Fill in the blank with the words that you hear.inspiredexposedinstructedpolluteddefeated【观察思考】(1)polluted water 与people exposed to cholera这两个答案有什么区别(2)two theories explaining how cholera killed people 与people exposed to cholera这两个答案有什么区别(3)become inspired;be instructed;这两个答案有什么区别?总结:单个的过去
5、分词作定语时一般兼有总结:单个的过去分词作定语时一般兼有 被动被动 和和 完成完成 的意义,的意义,常放在被修饰词的常放在被修饰词的 前面前面 。一、过去分词作定语一、过去分词作定语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、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。定语。eg:a lost animal 一只迷路的动物一只迷路的动物 a used stamp 一枚用过的邮票一枚用过的邮票 an injured finger 一根受伤的手指一根受伤的手指 a broken coin 一枚破损的硬币一枚破损的硬币 a lighted candle 一支点燃的
6、蜡烛一支点燃的蜡烛 (1)So many thousands of terrified people died every time there was an outbreak.(2)He immediately told the astonished people in Broad Street to remove the handle from the pump so that it could not be used.(3)The water companies were instructed not to expose people to polluted water any more
7、.【注意】:【注意】:(1)过去分词作定语时,有时只有被动意义。)过去分词作定语时,有时只有被动意义。e.g.:spoken English 英语口语英语口语 written exercises 书面练习书面练习(2)少数表示位移或状态改变的不及物动词的过去分词)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只有完成的意义fallen leaves 落叶落叶 the risen sun 升起来的太阳升起来的太阳the advanced countries 发达国家发达国家 a drunken man 一个醉鬼一个醉鬼a returned student 一名留学生一名留学生 a r
8、etired teacher 一名退休教师一名退休教师an escaped prisoner 一名逃跑的囚犯一名逃跑的囚犯 by-gone days 过去的岁月过去的岁月【观察思考】【观察思考】(1)He found that it came from the river polluted by the dirty water from London.(2)He became inspired when he thought about helping ordinary people exposed to cholera.总结:过去分词短语用作定语时,总结:过去分词短语用作定语时,一般置于其所
9、修饰的名词一般置于其所修饰的名词 之后之后,表示,表示 被动被动 和或和或 完成完成 意义。意义。其意义相当于一个其意义相当于一个 定语定语 从句,但较从句简洁,多用于书面语中从句,但较从句简洁,多用于书面语中总结:过去分词作表语主要表示主语的总结:过去分词作表语主要表示主语的状态或思想感情状态或思想感情等等。过去分词作表语The cup is broken.茶杯破了。茶杯破了。He looked worried after reading the letters.看完信后看完信后,他显得很忧虑他显得很忧虑.1.1.用作用作表语表语的过去分词被动意味很弱,主要的过去分词被动意味很弱,主要表示动
10、作的完成和状态,此时相当于一个表示动作的完成和状态,此时相当于一个形形容词。容词。2.2.被动被动语态的过去分词被动意味很强语态的过去分词被动意味很强,句子句子主语为动作的承受者,主语为动作的承受者,后面常跟后面常跟byby短语短语。The glass was broken.The glass was broken by Tom.The windows are closed.The windows are closed by Jack.状态动作动作状态3.3.表示表示“感觉流露感觉流露”的一些过去分词的一些过去分词(如如:interested,surprised,excited,frighte
11、ned,shocked)和一些过去和一些过去 分词分词(如如dressed,drunk,devoted,lost,known)常用常用 作表语作表语,表示状态表示状态.其中有些其中有些仅表示状态仅表示状态,毫无被动毫无被动 意味。意味。How did the audience receive the new play?They got very excited.She was very disappointed to hear the result.Hes quite experienced in teaching beginners.How did Bob do in the exams t
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