Unit4 Journey Across a Vast Land Discover Useful Structures 公开课课件-2022-2023学年高中英语人教版（2019）选择性必修第二册

Unit 4: Journey Across a Vast Land Period 3 Discovering Useful Structures (过去分词和现在分词作状语) Learning Objectives By the end of this class,you will be able to 1.learn the usages of V-ed and V-ing form as adverbial in a sentence. 2.use properly V-ed and V-ing form as adverbial. Let's 只 When I listen to music,I start to dance. Listening to music,I start to dance. Because he was beaten by the sheep,Mr Wolf cried out loudly Beaten by the sheep,Mr Wolf cried out loudly. 逢考必过 If you study harder and harder, you will pass the exam. Studying harder and harder, 力▣由 you will pass the exam. observation and summary 1.Listening to the music,I start to dance. 2.Beaten by the sheep,Mr Wolf cried out loudly. 3.Studying harder and harder,you will pass the exam. Summary:过去分词和现在分词在句中都可充当状语，表示 时间，原因，条件，让步，方式或伴随等。 Part One V-ed form as adverbial (过去分词作状语) What kind of clauses do you know? 1.Whawhat had happened,he keptsilent nhewas aske hat had happened, he kept silent状语从句) 2.Beceuse he wes beatenby the sheep, Mr Wolf cried out loudly. Beaten by the sheep, Mr Wolf cried out loudly. 3.fHam given a time machine, I will pay a visit to the future.条件状语从句 Given a time machine,I will pay a visit to the future. 4.Although hewas left alone at home, the little boy didn't feel afraid at all. Left alone at home, the little boy didn't feel afraid at all. 5.The teacher entered the classroom, 2nd hews followed by some students. The teacher entered the classroom, followed by some students.并列句) observation and summary 1.Beaten by the sheep,Mr Wolf cried out loudly. 2.Asked what had happened,he kept silent. 3.Given a time machine,I will pay a visit to the future. 4.Left alone at home,the little boy didn't feel afraid at all. 5.The teacher entered the classroom,followed by some students. Summary:过去分词在句中作状语。句子的逻辑主语和分词之 间存在被动关系。