高中英语必修五教学资料-Unit 1 Period 3.pptVIP

Unit 1　Great scientists Period 3 Learning about Language 过去分词作定语和表语 【观察思考】 品读例句, 体会黑体部分在句中所作的成分。 ①The recovered animals will be released soon. ②Tom was astonished to see his father. ③He is a teacher loved by his students. ④The couple were devoted to each other. ⑤We needed much more qualified workers. ⑥The student dressed in white is my daughter. ⑦The students are fully prepared. 结论: 以上例句中_________属于过去分词在句中作定语; _______属于过去分词在句中作表语。 ①③⑤⑥ ②④⑦ 【语法探究】 Ⅰ. 过去分词作定语 1. 过去分词作定语时的位置。 (1)单个的过去分词作定语, 通常放在被修饰的名词之前。 She is drinking ______water. 她正在喝烧开的水。 (2)过去分词短语作定语时, 通常放在被修饰的名词之后, 它的 作用相当于一个定语从句。 It came from the river ________ by the dirty water. =It came from the river ______ ____ ________ by the dirty water. 它来自被脏水污染的那条河。 boiled polluted which was polluted 【悟一悟?参透误区】 (1)有些单词的过去分词在习惯上往往放在被修饰词的后面。 There is little time left. Let’s hurry up. 剩余的时间不多了。我们快点吧。 (2)过去分词修饰代词时, 应放在被修饰词之后。 He is one of those invited. 他是那些被邀请的人的其中之一。 2. 过去分词作非限制性定语用来补充说明被修饰词的情况, 前 面常用逗号与被修饰的成分隔开, 它的作用也相当于一个定语 从句。 Her daughter, _______ ___ by me, has begun to work now. = Her daughter, ____ ____ _______ ___ by me, has begun to work now. 由我带大的她的女儿现在已经开始工作了。 brought up who was brought up 3. 过去分词作定语时的意义。 不及物动词的过去分词作定语只表示动作已完成, 不表示被动意义; 及物动词的过去分词作定语表示被动意义或已完成的被动动作。 (1)只表示完成不表示被动。 fallen leaves　　 落叶 the risen sun 升起的太阳 a retired teacher 一位退休的老师 (2)表被动。 an honoured guest 一位受尊敬的客人 a guided trip 一次有导游的旅行 (3)表示被动和完成。 the broken glass 碎了的杯子 the question discussed yesterday 昨天讨论的问题 4. 现在分词与过去分词以及不定式作定语时的区别: 表示将要发生的动作 不定式作定语 表被动、完成 过去分词作定语 表主动、进行 现在分词作定语 (用所给词的适当形式填空) ①Has the problem ________ (discuss) yesterday been solved? ②The man _______(make) a speech is our headmaster. ③The poor girl has much work _____(do) every day. discussed making to do Ⅱ. 过去分词作表语 1. 作表语的过去分词主要来自及物动词, 放在系动词be, get, feel, remain, seem, look, become等之后, 说明主语所处的一种 状态。 (用所给词的适当形式填空) ①—How did the audience receive the new play? —They got very _______ (excite). ②—How did Bob do in the exams this time? —Well, his fa