book8unit4Grammar过去分词作状语解析.ppt

Revise the Past Participle as the Adverbial 过去分词作状语 过去分词有两大特点： 1. 表示被动的动作； 2. 表示已经完成的动作。 因此, 当过去分词作状语的时候一定要搞清楚分词与主语的逻辑关系——被动。 1. The teaching buildings _____ (build) in 1960 need repairing. 2. I found my school bag ____ (leave) in Mary’s room. 3._______ (give) more time, I’ll finish my work on time. 4. The English teacher entered the room, _________ (follow) by his students. * 在上一单元我们复习了过去分词作定语、表语和宾语 补足语。我们先做 几道选择题看看 大家掌握了没有。 1. _______ (污染的)air and water are harmful to people’s health. 2. The problem ______________________ (在会议上讨论的) yesterday was very difficult to solve. 3. He became ______ (兴奋) when he heard he had won the first place in the competition. Polluted discussed at the meeting excited Fill the blank. 4. I am _________ (感兴趣) in the story. 5. I haven’t got the film ________ (冲洗)yet. 6. The meeting _____ (举行) yesterday was very important. 7. He looked ________ (忧虑)after reading the letter． 8. She had her wallet ______ (被偷) yesterday. developed interested held worried stolen When it is seen from the hill, the park looks very beautiful. 时间状语 As he was surprised at what happened, Tom didn’t know what to do. 原因状语 Look at the sentences and find the use of the past participle. If it is heated to a high temperature, water will change into vapor. 条件状语 Even if I’m invited, I won’t take part in the party. 让步状语 过去分词作状语可表示时间、地点、原因、条件、让步、伴随等意义。这种过去分词状语相当于一个时间、地点、原因、条件、让步等状语从句. 过去分词作状语 过去分词作状语, 表示被动的动作或动作已经完成。过去分词（短语）通常可作: 时间状语可在过去分词前加上连词when, while, until等。 Don’t speak until spoken to. 时间状语 条件状语 Given more time, we could do it much better. Greatly moved by the film, they all cried. Surrounded by a group of young people, the old man felt happy. 原因状语 让步状语 Warned of the storm, the farmers were still working in the fields. 方式、伴随状语 The teacher stood there, surrounded by the students. The trainer appeared, followed by six little dogs. He walked up and down the room, lost in thought. 过去分词作状语与现在分词作状语的区别在于: 过去分词与句子主语构成被动关系, 而现在分词与句子主语构成主动关系。