Unit 4 History and Traditions Discovering Useful Structures 现在分词作状语 课件-2025-2026学年高中英语人教版（2019）必修第二册

现在分词作状语 V-ing form used as the adverbial Once upon a time, there was a farmer who worked hard everyday. While working in the fields one day, the farmer saw a rabbit. Running quickly, the rabbit bumped into the tree stump, dying from a broken neck. He took the rabbit home, and cooked a delicious dinner. Then he thought, “Picking up a rabbit everyday, I needn’t work so hard!”. From then on, he no longer worked and sat by the tree stump, waiting for the rabbit to come and bump into it. Having waited for a long time, he never saw another rabbit and starved to death in winter. 说出红色部分分别作什么状语 时间状语 原因状语 结果状语 条件状语 伴随状语 让步状语 Wait for windfalls 守株待兔 What’s the logical subject? 逻辑主语是？ The active or passive voice? 主动or被动？ 1. While working in the fields one day, the farmer saw a rabbit. 小结 1：现在分词作状语，它的逻辑主语与主句的主语____________(一致/不一致) , 表示_______(主动/被动) 。 速记口诀：分词作状主一致 主动 一致 2. “Picking up a rabbit everyday, I needn’t work so hard!” “If I pick up a rabbit everyday, I needn’t work so hard!” 小结2: 分词作状语，相当于状语从句的省略。 思考：在什么情况下可以省略状语从句，用-ing作状语呢？ When my mom was cooking, I was doing my homework.  速记口诀： 分词作状主一致 Comparing: Which one is better? 1.The rabbit ran so quickly that it bumped into the tree stump. As a result, it died from a broken neck. 2. Running quickly , the rabbit bumped into the tree stump, dying of a broken neck. 小结3：-ing 作状语，可以让句子更简洁，更紧凑，更形象生动，是一种更为高级的表达。 思考：为什么要用-ing来作状语呢？ Rewriting(重写) The Race Between The Hare And The Tortoise 《龟兔赛跑》 Can you rewrite the underlined parts? 用-ing作状语改写下划线的句子 One day, a turtle was crawling(昆虫或动物爬行) slowly along the road.1. A rabbit saw the turtle and laughed aloud . The rabbit said, “Let’s see who runs faster!” The turtle agreed. Next day, they started a race. 2.The rabbit ran faster at first, so he arrived at the tree quickly. 3.When the rabbit saw the turtle was far behind, he decided to sleep under the tree. 4.Though the turtle crawled slowly, he kept running all the time. When the turtle ran beyond the rabbit, the rabbit was still sleeping and dreaming of being a winner. Later, the rabbit woke up and hurried to the end, but he found that the turtle had got to the end first. 5. The rabbit felt sad and cried for a long time. Have a try A rabbit saw the turtle , laughing aloud . arriving at the tree quickly. Seeing the turtle was far behind, Crawling slowly, The rabbit felt sad , crying for a long time. Feeling sad , the rabbit cried for a long time. Summary（总结） : The –ing form used as the adverbial 功能 3 意义 2 在句子作状语，让句子更简洁，更紧凑，更形象生动，更高级 相当于对状语从句的省略，表示动作发生的时间、原因、条件、结果、伴随、让步等情况 语法原则 1 分词作状主一致 Read the following story and rewrite the underlined parts using the -ing form. Homework P18 $