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课件网) Unit1 Great Scientists 英语人教版 必修5 Grammar Learning aims 掌握过去分词作为定语 的用法。 掌握过去分词作为表语 的用法。 能够区分过去分词与现在分词做定语，表语的不同 Lead in 什么是定语？ 1 什么是表语？ 2 过去分词与现在分词有何区别？ 3 修饰、限定、说明名词或代词的品质与特征 主要有形容词 eg: She is a beautiful girl.(前置) English is a language being learnt all over the world .（后置） 定语 单个过去分词作定语，通常前置。 过去分词作定语 a closed door a broken window a polluted river 过去分词短语作定语：通常后置，其作用相当于定语从句。 people exposed to cholera = people who were exposed to cholera 非谓语动词，被动 谓语动词，被动 用过去分词作定语补充下列句子，并将其转化为定语从句。 1.那就是Jack买的书. That is the book _____. 2. 那台去年生产的机器看起来很新. The machine _____looks new. = The machine _____looks new. =That is the book_____ bought by Jack which was bought by Jack. produced last year that was produced last year 都属于非谓语动词，在时态及语态上有各自的含义。 时态层面: 现在分词表正在发生的动作 We are all living in a changing world. 过去分词表已经完成的动作 The changed world surprised him. 现在分词与过去分词作定语的区别 语态层面: 现在分词表主动动作 The running water in the river is very clear. 过去分词表被动动作 The women interviewed said that they were satisfied with their life. 说明主语的身份、特征和状态的词或从句 常由名词、形容词、介词短语、分词等来充当 常位于系动词（be）之后 eg:Africa is a big continent. He is old but he is healthy. The patient is out of danger. 表语 系动词：用于对主语“贴标签”的这类动词 “似乎是”： “感觉是”： “变成是”： “仍然是”： 是： be( am, is, are) seem, appear, look feel, sound, smell, taste become, go, get, grow, fall, turn remain, stay, keep “结果是”： turn out, prove 不表示被动的动作,也不表示动作完成 表主语的状态，特点 相当于一个形容词 过去分词作表语 1.They are excited. 2.He looked determined. 3.We were deeply moved. 1.They were _____ to hear the _____news. (delight) 2. The teacher announced the _____ news with an _____voice.(excite) delighted delighting excited exciting 过去分词含有被动含义，即“人被引起某种感觉”，多用来形容人 现在分词表示主动意义，即“令人有某种感觉”，多用来形容物 现在分词与过去分词作表语的区别 一、用所给单词的适当形式填空。 1.This is the severely _____(pollute) lake I mentioned to you the other day. 2.Huang Lin _____(teach) English in our school has a good command of Chinese. 3. Do you know the person_____(live) here ? 4. Most of the artists _____(attend）the party were from South America. 5. Don’t use words, expressions or phrases only _____ (know) to people with special knowledge. Exercises polluted teaching living attending known 二、完成句子 在会议上提出的问题对我们来说很严重。 The problem _____ at the meeting is serious to us. 2. 为了把英语学好，你应该提高你的口语和书面英语。 In order to learn English well, you should improve your _____and _____English. 3.他对这个有趣的新闻很感兴趣。 He was_____in the _____news. ... ...
