B5U1Grammar过去分词.ppt

Book 5 Unit 1 Grammar 过去分词做定语 Study aims 1、掌握动词过去分词作定语、表语、宾补和状语的基本用法； 2、能在实际语境中运用动词过去分词； 3、能区分过去分词作不同用法时的区别； 4、能在做语法填空时准确判断出过去分词是何种用法； 其中，1、2是重点；3、4是难点。 课文回顾 请分析下列课文句子的过去分词的用法。 ① He found that it came from the river polluted by the dirty water from London. ② So many thousands of terrified people died every time there was an outbreak. ③ He became interested in two theories... 定语 定语 表语 ④ But he became inspired when he thought about helping ordinary people exposed to cholera. ⑤ Neither its cause nor its cure was understood. ⑥ He immediately told the astonished people in Broad Street to remove the handle... 表语 定语 表语 定语 1. The excited (excite) children are opening their Christmas presents.（作定语 ） 2. This supermarket is now _______ (close). (____________) 3. She had a _______ (worry) look on her face because she failed the exam.(______________) 4. He looked _____________ (interest) in the idea I put forward. (____________) 5. The machine __________ (produce) last year are very expensive. (_________) 基础知识回顾 观察下列句子，总结过去分词在句中的成分 closed 作表语 worried 作定语 interested 作表语 produced 作定语 Question:什么是定语？什么是表语？ 定语的概念： 表语的概念: 相当于形容词，在句中修饰名词或代词的成分。 说明主语的身份、特征或状态；位于系动词之后，如be, appear, look, get, become, turn, grow, feel, smell, touch, taste, remain, seem… 过去分词作定语 位置 1）English is a widely used language. 2）He threw away the broken cup. 3）This is one of the schools built in 1980s. 4）Prices of daily goods bought through a computer can be lower than store prices. 5) John Snow is a well-known physician. 6) The girl named May is in our class. 1、单个的过去分词作定语，一般放在______________，称为前置定语。 terrified people a well-known physician 被修饰词的前面 2、 过去分词短语作定语,通常放在______________,称为后置定语。 the girl named May a school built 14 years ago 被修饰词的后面 三、过去分词作定语表示的 及物动词(vt.)的过去分词 a used stamp a broken window astonished people a closed door 一枚用过的邮票 一扇破碎的窗户 受惊吓的人们 一扇关上的门 意义 及物动词的过去分词作定语时一般兼有被动和完成的意义。