(课件网) Section Ⅳ Grammar Stage and screen Unit4 阅读以下短文，感知加颜色部分，并完成其后的练习 Mary Smith looked at the beautiful ripe plums(梅子).They would be made into lovely jam.When she had finished the cooking，she filled all her empty jam jars，①leaving the rest of the jam in the pan.She would put it in the fridge when it was cooler.But just then the telephone rang.②Having learned that her mother was in hospital after a car accident，Mary picked up her bag and ran out of the house. 语境感悟 Some days later，her husband，John，came home from a business trip.He had been travelling all day and felt like having a drink and a piece of cake.③Entering the kitchen，he saw a pan with a dark red mess inside it.He lifted it up and smelled it.It smelled bad.④Thinking Mary must have forgotten to clean this pan，he poured all the mess into the chicken yard and cleaned the pan.Then he began to eat a piece of cake，⑤feeling comfortable. [自主发现] 加颜色部分在句中都作状语，现在分词(短语)作状语时，其逻辑主语是句子的 ，①在句中表结果，②中的Having learned...作状语表示其动作 主句动作picked up和ran发生，③在句中表示 ，④在句中表示原因，⑤在句中表示伴随。 主语 先于 时间 语法精讲 一、现在分词的基本形式 1.现在分词的一般式：doing表示动作与谓语动词的动作同时或几乎同时发生。 Hearing the news of war，soldiers took up arms to defend their country.听闻战争的消息，士兵们拿起武器保卫自己的国家。 现在分词作状语 2.现在分词的完成式：having done 表示动作发生在谓语动词的动作之前。 Having returned from a long bike ride，he was tired and sweaty. 骑了很长时间的自行车回来后，他很疲惫，汗流浃背。 3.现在分词的否定式，在其前加not。 Not having heard from her son for a long time，the mother worried a great deal. 由于长时间没有收到儿子的信，母亲非常担心。 4.现在分词的被动式：being done表示被动动作与谓语动词的动作同时发生；having been done表示被动动作发生在谓语动词的动作之前。 Being reconstructed，the tower is not available now.塔楼正在重建，现在不能参观。 Having been involved in the crime，he was put into prison.由于被卷入犯罪，他被投进监狱。 二、现在分词作状语的基本用法 现在分词作状语可以表示时间、原因、条件、结果、让步、方式或伴随情况等。 1.时间状语 现在分词作时间状语，相当于一个时间状语从句，有时可由连词when，while，after引出。 Hearing the result(＝When I heard the result)，I couldn’t help jumping. 听到这个结果，我不禁跳了起来。 Having made full preparations(＝After we have made full preparations)，we are ready for the examination. 做了充分的准备之后，我们准备好参加考试了。 2.原因状语 可以与as/since/because等引导的原因状语从句转换。 Being so excited(＝As he was so excited)，he couldn’t go to sleep that night. 由于非常激动，那晚他无法入睡。 Having lived in the city for many years(＝Since I had lived in the city for many years)，I knew it well. 因为在这座城市住了许多年，所以我对它很了解。 3.条件状语 可以与if/unless等引导的条件状语从句转换。 Working hard at your lessons(＝If you work hard at your lessons) ... ...
