Revision: 现在分词做状语现在分词做状语（When）Walking in the street, I came across an old friend of mine.Not knowing his address, I cant write to him.（If）Using your head, you will find a way.Laughing and talking, they went into the classroom.(Though) working from morning till night, his father didnt get enough money.Revision: 现在分词做状语现在分词做状语（When）Walking in the street, I came across an old friend of mine.Not knowing his address, I cant write to him.（If）Using your head, you will find a way.Laughing and talking, they went into the classroom.(Though) working from morning till night, his father didnt get enough money.时间时间原因原因条件条件伴随伴随让步让步Walking in the street, I came across an old friend of mine.Not knowing his address, I cant write to him.Using your head, you will find a way.Working from morning till night, his father didnt get enough money.He sat on the sofa, watching TV.= When I was walking , = Because I dont know his address, I = If you use your head, you = Although his father worked from , he = He sat on the sofa and watched TV现在分词做状语：现在分词做状语：1.现在分词与句子主语之间构成现在分词与句子主语之间构成_关系关系2.现在分词（短语）可在句子中充当时间、现在分词（短语）可在句子中充当时间、原因、条件、伴随等状语原因、条件、伴随等状语3.现在分词（短语）做状语，相当于相应的现在分词（短语）做状语，相当于相应的状语从句（伴随状语相当于一个并列句）状语从句（伴随状语相当于一个并列句）4.现在分词（短语）做状语，可在前面加上现在分词（短语）做状语，可在前面加上when, if , unless, although等连词，使句等连词，使句义更明确义更明确主动主动过去分词过去分词做状语做状语Hit by a lack of fresh air, my head ached.Asked what had happened, he kept silent.Given more time, we would be able to do the work much better.Left alone at home, the little boy didnt feel afraid at all.The teacher entered the classroom, followed by some students.Summary 1: 过去分词（短语）过去分词（短语）做状语，过去分词与句子主语做状语，过去分词与句子主语之间构成之间构成_ 关系关系被动被动1. Worried about the journey, I was unsettled for the first few days.2. Exhausted, I slid into bed and fell fast asleep. 注意：注意：被动被动, 完成完成 状态状态某些过去分词作某些过去分词作状语状语表状态，常见的有表状态，常见的有: lost 迷路，丢失迷路，丢失 lost in deep thought 陷入深思陷入深思 absorbed in 专心于专心于 dressed in 穿着穿着 tired of 厌倦于厌倦于 worried about 担心担心 based on 基于基于/ 建立在建立在的基础上的基础上 _, he didnt hear the sound.陷入沉思中，他并没有听到那个声音。陷入沉思中，他并没有听到那个声音。_, he started to read a novel.厌倦了那个冗长的演讲，他开始读起小说厌倦了那个冗长的演讲，他开始读起小说来。来。_, the girl looked like an angel.穿着白色的衣服，这个女孩看起来像个天穿着白色的衣服，这个女孩看起来像个天使。使。Lost in deep thoughtTired of the long speechDressed in whiteHit by a lack of fresh air, my head ached.Asked what had happened, he kept silent.Given more time, we would be able to do the work much better.Left alone at home, the little boy didnt feel afraid at all.The teacher entered the classroom, followed by some students.原因原因时间时间条件条件让步让步伴随伴随=Because my head was hit by , it ached.=When he was asked what , he kept silent.=If we were given more time, we would =Although the little boy was left alone , he didnt feel=The teacher entered the classroom, and he was followed by Summary 2: 过去分词（短语）过去分词（短语）可在句子中做时间、原因、条件、可在句子中做时间、原因、条件、让步、伴随等状语，相当于一个让步、伴随等状语，相当于一个状语从句或是一个并列句（伴随状语从句或是一个并列句（伴随状语时）状语时） 过去分词作状语过去分词作状语,有时可以在其前边加上有时可以在其前边加上when, while, if, unless, although, once等连等连词，以起到强调的作用词，以起到强调的作用，使句意更加明确使句意更加明确。Asked what had happened, he kept silent.(When) Given more time, we would be able to do the work much better.(If)Left alone at home, the little boy didnt feel afraid at all.(Although)Rewrite the sentences, using the past participle as the adverbial.1. Because it was done in a hurry, his homework was full of mistakes. Done in a hurry, his homework was full of mistakes.2. If it is taken according to the instructions, the medicine has no side effect.Taken according to the instructions, the medicine has no side effect.3. Though he was defeated by the young player for the second time, he didnt lose heart. Defeated by the young player for the second time, he didnt lose heart. 4. Because he was born in a poor family, he had little schooling.Born in a poor family, he had little schooling.