Unit 4 History and traditions Discovering Useful Structures 课件-2023-2024学年高中英语人教版（2019）必修第二册

过去分词作状语 <past participle used as adverbial > Grammar 1.指出以下句中划线单词所作的成分 1)He became interested in Chemistry. 2)The polluted air is harmful to our health. 3)It has the oldest port built by the Romans in the first century AD. 4)In my opinion, what makes a person respected is his behavior. 表语 定语 宾补 一.Lead-in 后置定语 2.现在分词与过去分词的区别： 现在分词表________________________ 过去分词表________________________ 3.过去分词作定语表示(及物动词和不及物动词)： ______________________ _______________________ 主动，进行 被动，完成 及物动词：被动和完成 不及物动词：完成 二.Presentation 观察句子中的过去分词。 a. Told that his mother was ill, Li Lei hurried home quickly. b. Compared with you, I still have a long way to go. Told Compared c. Exhausted by the journey, he soon fell asleep. d. Explained a hundred times, he still can’t understand it. e. They came in, followed by their wives. Exhausted Explained followed 1.过去分词作状语 1)表原因：. Moved by his words, I accepted his present. Caught in the rain on my way home, I had a bad cold. 2)表 ___________ Asked how he broke into the room, he made no answer. Discussed many times, the problems were settled at last. 3)表__________________ Given more time, we could do it better. Looked at from a distance, the painting seems more beautiful. 时间 条件 Asked Discussed Given Looked 4)表_________________ Built 30 years ago, the house still looks very beautiful. Exhausted, they continued to work. 5)表_________________ He turned away, disappointed. He sat by the window alone, lost in thought. 让步 伴随 Built Exhausted disappointed lost 【自我归纳】 ★过去分词作状语，说明谓语动作发生的或情况 , , , , , 等。分词表示的动作与句子主语之间构成逻辑上的______关系。 ★过去分词作时间、条件、原因、让步等状语时，可转换为对应的______从句。 状语 动宾 时间 条件 原因 让步 方式 伴随 Built 30 years ago, the house still looks very beautiful. __________________ 30 years ago, the house still looks very beautiful. Looked at from a distance, the painting seems more beautiful. __________________ from a distance, the painting seems more beautiful. Although