(
课件网) Unit 3 Science and nature Grammar and usage To find out how verb-ed forms are used as adjectives To learn that the verb-ed form can be functioned as the attributive, predicative and object complement To learn how to use the verb-ed form and verb-ed phrases in different situation 非 谓 语 动 词 动名词 分 词 不定式 现在分词 过去分词 Observe the sentences from this unit. 1. If I had the chance, I would have a cloned baby. 2. I think the scientific advances mentioned in your article are interesting.. 3. My grandfather was delighted to hear I had passed my exams. 4. After the accident, they found the front windows broken. 5. She lay trapped under the building for three days. 6. Asked why he was against cloning humans, the scientist explained that it might lead to disaster. 7. Shocked by the article, the woman wrote a letter to the newspaper. 8. Treated with electricity, the cell tissue will divide into several parts. 基本形式和意义 过去分词是非谓语动词的一种，在句子中不能单独作谓语。过去分词兼有动词、副词和形容词的特征，可以带补语或受状语修饰。过去分词和补语或状语一起构成过去分词短语。过去分词的基本形式是“动词 + -ed”，但也有不规则的形式。 The Past Participle Verb-ed form & phrases Now, it’s time to read the points on Page 48 about verb-ed form and Page 50 about verb-ed phrase. Then, pay attention to the following explanation. Past Participle as _____ Example: So many thousands of terrified people died. the highly praised scientist the retired scientists a well-trained singer the Attributive e.g. boiled water 开了的水 A 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。 注意：过去分词作定语时，有时只有被动意义。 e.g. spoken English 英语口语 written exercises 书面练习 过去分词作定语 a fallen leaf 一片落叶 the risen sun 升起来的太阳 the developed countries 发达国家 a retired teacher 一名退休教师 by-gone days 过去的岁月 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。 e.g. How I regretted the hours wasted in the woods! 我多懊悔在树林浪费的时光啊! I like wearing clothes made of this kind of cloth． 我喜欢穿这种布料做的衣服。 B 过去分词作后置定语，表示被动和(或)完成意义。 The books written by Lu Xun are popular． 鲁迅写的书很受欢迎。 1. He told us of the great wrong done to him. = He told us of the great wrong _____ to him. which had been done 注：过去分词作定语时可以转化为定语从句。本句中的过去分词作定语，既表被动又表完成。 Change the following past participles into clauses. 2. The United States is a developed country. = The United States is a country _____. which has developed 注:本句中的过去分词作定语，只表示 完成。 3. Have you noticed the bridge being built there? = Have you noticed the bridge _____ there? which is being built 注:本句中的过去分词作定语，表示被 动的动作正在进行。 过去分词短语有时亦可用作非限制性定语，前后常有逗号。 Some of them, born and brought up in rural villages, had never seen a train. 他们当中有一些人, 生长在农村，从未见过火车。 过去分词短语 ... ...
