Unit 5 Art world Grammar课件2025-2026学年牛津译林版（2012）英语九年级上册

该初中英语课件围绕用because和since/as表达原因展开，通过复习艺术形式喜好导入，结合例句逐步讲解because的用法，再过渡到since/as，构建从已知到新知的学习支架。 其亮点在于通过选择、问答、改写等多样化练习及小组活动，结合表格对比because与since/as的语气和用法，提升学生语言运用能力和思维品质。学生在实践中掌握连词，教师可借助系统练习高效推进语法教学。

Unit 5 Art world Unit 5 Art world Grammar 1. To grasp how to give reasons with because and since/as. 2. To understand the differences between because and since/as. 3. To use because and since/as to give reasons. Learning aims Review What kind of art forms do you like best? dance painting drama calligraphy music flim photography sculpture I like music best because it helps me relax. I like Tan’s music because he use the sound of nature a lot. He’s popular all over the world because he has helped build a bridge between the east and the west. Why does Tan likes the sounds of nature? Because he think the best music comes from nature. We use because to introduce clauses of reason. Its tone is strong A Giving reasons with because Exercise 1 facts果 reasons 因 Exercise 2 Questions about Tan Dun 1 Why was Tan Dun chosen to write music for the Beijing Olympics? 2 Why does Tan like the sounds of nature? 3 Why does Tan able to build a bridge between the East and the West? 4 Why do people think highly of Tan’s music? Because he is a world-famous composer. Because he thinks the best music comes from nature. Because he has successfully brought Chinese and Western music together. Because he has created a new type of music—music without boundaries. we often use because to answer “why” question Exercise 3 I love going to the museum because I can learn a lot about art. (Why do you love going to the museum ?) I arrived at the theatre at 6:45 p.m. because the opera began at 7 p.m. (Why did you arrived at the museum at 6:40 p.m.?) Group work: write down the sentence by using because 1. 2. 3. 4. （dirty，swept) (thirsty, water) (dentist, toothache) (arrive late,miss the train) He swept the floor because it was dirty. Jason drank a glass of water because he was thirsty Susan went to see a dentist because she has a toothache He missed the train because he arrived late at the station. ！The prepositions because of can also be used before a noun or noun phrase to give a reson for something. We were delayed because of an accident We were delayed because there was an accident B Giving reasons with since and as Since he had no musical instruments then, Tan made music with common objects like stones and paper. As he likes the sounds of nature, Tan uses them a lot in his music. Since and as are also used to give reasons for something. Usually the reasons are already known. Their tone is weaker than because. 1.Since everyone is here, let’s begin our discussion. 2.As I had a cold, I was absent from school. 既然大家都到齐了，我们就开始讨论吧 由于我感冒了，我没有去学校 3.As the floor was wet and slippery, I almost fell. 由于地板又湿又滑，我差点儿摔倒 4. Since you were wrong ,you should apologize to him 既然你错了，你应该该向他道歉 Since he behaved very rude, disked him Was late for work as his car broken down. Since she was ill come to the party Since/As Kitty will dance at the song and dance show, she has to practise hard these days. Sandy will design the posters for the art festival since/as she can draw very well. Since/As some students love painting and taking photos, there will be a students’ art show. Since/As the art festival is open to all students and parents, everybody is welcome. An art festival Help Sandy complete her diary entry with because or since/as. because Since/As Since/As since/as because Since/As because > because since/as Group work: “My favorite musician” name favorite musician reasons 意义和用法 because 因为 表示动作发生的直接原因，语气很强，常用来回答why引导的疑问句，不与so连用 since 既然 表示已知的、显然的理由，附带说明的“双方一致的原因”，二者用法大体相同 as 由于 Summary Homework You must You may Revise grammar and finish the relevant exercises in the workbook Do a survey. interview your friends and then share with your classmate in next lesson. $