1.作作定语2.作表语作表语4.作状语作状语3.作宾补作宾补过过去去分分词词 Grammar 过去分词作状语过去分词作状语1.When our future school is seen from the space, our future school looks like a plate. Seen from the space, our future school looks like a plate.our future schoolCombine the two sentencesWhen it is seen from the hill, the park looks very beautiful.Seen from the hill，时间状语可在过去分词前加上连词时间状语可在过去分词前加上连词when, while, until等。等。Dont speak until you are spoken to.Dont speak until spoken to.1. 时间状语时间状语2. Because She is surprised at the schoolbag, she turns her head back to find out what happens.Surprised at the schoolbag ,she turns her head back to find out what happens. Our future schoolbag2. 原因状语原因状语Because the boy was greatly touched by his teachers words, he did a lot of things to help his classmates.Greatly touched by the teachers wordsBecause he was surprised at what happened, Tom didnt know what to do.Surprised at what happened3.If I am given a time machine , I will pay a visit to the future.Given a time machine, I will pay a visit to the future. a time machine3. 条件状语条件状语If we were given more time, we could do it much better.Given more timeIf it is heated to a high temperature, water will change into vapor.Heated to a high temperature4. 让步状语让步状语Though they had been warned of the storm, the farmers were still working in the fields.Though warned of the stormEven if Im invited, I wont take part in the party.Even if invited5. 方式、伴随状语方式、伴随状语The teacher entered the classroom, and he was followed by a group of students.The teacher entered the classroom ,followed by a group of students.The teacher stood there and was surrounded by the students.The teacher stood there, surrounded by the students.1.1.过去分词作状语表示过去分词作状语表示_的和的和/ /或或_的动作的动作, ,相当一个状语从句。相当一个状语从句。2.2.过去分词作状语时其逻辑主语为主句的主语，过去分词作状语时其逻辑主语为主句的主语，此时应注意此时应注意语态要一致。语态要一致。过去分词作状语过去分词作状语 被动被动完成完成summary过去分词在句子中可以作时间状语、原因状语、过去分词在句子中可以作时间状语、原因状语、伴随状语、条件状语和让步状语等。伴随状语、条件状语和让步状语等。1.Because she was given advice by the famous detective, the young lady was no longer afraid. 2.Because it was done in a hurry, his homework was full of mistakes.3.When it is heated, ice will be changed into water. 4.If I am compared with you, we still have a long way to go. 5.The hunter left his house, and he was followed by his dog.Practice: Change the following clauses into Past Participles.1. Because she was given advice by the famous detective, the young lady was no longer afraid. Lets check the answerGiven advice by the famous detective, the young lady was no longer afraid.2. Because it was done in a hurry, his homework was full of mistakes.3. When it is heated, ice will be changed into water. Done in a hurry, his homework was full of mistakes.When heated, ice will be changedinto water.4. If I am compared with you, we still have a long way to go. The hunter left his house, followed by his dog. Compared with you, we still have along way to go.5. The hunter left his house, and he was followed by his dog._from upside, it looks like a lily which is in full bloom(盛开）盛开）in the sea.如果句子的主语和分词的逻辑主语是主动关系如果句子的主语和分词的逻辑主语是主动关系, , 用用_，句子的主语和分词的逻辑主语是被动关系，句子的主语和分词的逻辑主语是被动关系，用用_。现在分词现在分词过去分词过去分词易混辨析易混辨析Seeing from upside, you will find a lily which is in full bloom(盛开）盛开）in the sea.Seen1. 从上面看从上面看,体育体育场好像一个好像一个鸟巢。巢。 _ from the top, the stadium looks like a bird nest. A. Seeing B. Seen2. 从太空看从太空看, 宇航宇航员看不到看不到长城。城。 _ from the space, the astronaut can not discover the Great Wall. A. Seeing B. Seen 能力提升能力提升Having finished the homework, Tom went out to play. Discussed many times, the problems were settled at last.Having been discussed many times,the problems were settled at last.过去分去分词和和现在分在分词的被的被动没太大区没太大区别，强调分分词动作作明明显先于先于谓语动作作则用用现在分在分词的完成式。的完成式。 分分词词作作状状语语答答题记忆题记忆口口诀诀分词作状语，主语是问题。分词作状语，主语是问题。逗号前后两动作。共用一主语。逗号前后两动作。共用一主语。主语找出后，再来判关系。主语找出后，再来判关系。主动主动-ing-ing, ,被动用被动用-ed-ed。Having done Having done 表先后，千万要牢记。表先后，千万要牢记。