Unit 5 Grammar课件 2026-2027学年译林版英语九年级上册

该初中英语课件聚焦because、for、since和as引导的原因状语从句，通过音乐主题文本（如科学家谈乐器益处、莫扎特事迹）导入，先对比总结because/for的语气、位置及用法，再延伸至since/as的特点，结合改写句子、对话练习、短文优化及写作任务，构建从理解到运用的学习支架。 其亮点在于以音乐文化为语境载体，通过对比表格梳理语法规则，培养学生分析比较的思维品质，设计从单句到语篇的递进练习提升语言能力，融入京剧演出等素材渗透文化意识。学生能在真实情境中掌握语法，教师可借助结构化内容高效开展教学。

Unit 5 Music speaks Grammar 23021 能掌握because和for引导的原因状语从句。 能掌握since和as引导的原因状语从句。 学习目标 23021 Lead in 23021 Read the text below and pay attention to the use of because and for. Then summarize their usages. According to scientists, playing an instrument is helpful to teenagers, for it improves memory and confidence. Because the benefits are so positive, scientists recommend that teenagers learn to play at least one instrument. Read and summarise 新课讲授 23021 e.g. Because Lingling was ill, she didn’t come to school. Many people have heard of him because he’s a great musician. We can use because and for to give reasons. Because puts more emphasis on the reason that is not known to the listener/reader. A because-clause can go after or before the main clause. Summary The tone of because is strong, and we use because to answer why-questions. e.g. Millie: Why do you love Beethoven? Daniel: Because his music is powerful. It moves me every time I listen to it. 23021 e.g. Sandy loves listening to light music, for it is relaxing. He used the sound of water, for he wanted to remind the audience of nature. For is less common than because. For is used for an extra reason, not the main one. A for-clause never comes at the beginning of a sentence and cannot stand alone. It is more formal and often used in literary context. 23021 连词 语气 使用场景 句式位置 特殊用法 because 最强 回答 why 问句，理由未知、重点强调原因 主句前 / 主句后均可 专门回答 Why 提问 for 偏弱 书面、文学正式语境，事后补充理由 只能放在主句后面，不可句首、不可单独成句 不回答 why 23021 Sandy did some online research about Tan Dun and made some notes. Help her rewrite each pair of sentences into one sentence, using because or for. Practice 1 People think highly of Tan Dun’s music. He has successfully brought Eastern and Western styles of music together. ________________________________________________________________ ________________________________________________________________ 2 Tan Dun likes the sounds of nature. He thinks nature creates its own music. ________________________________________________________________________________________________________________________________ 3 Many people love Tan Dun’s music. His music is very special. ________________________________________________________________ ________________________________________________________________ 4 Tan Dun is a world-famous composer. He was chosen to write music for the Beijing Olympics. ________________________________________________________________________________________________________________________________ People think highly of Tan Dun’s music because he has successfully brought Eastern and Western styles of music together. Tan Dun likes the sounds of nature because he thinks nature creates its own music. Many people love Tan Dun’s music, for it is very special. Tan Dun is a world-famous composer, for he was chosen to write music for the Beijing Olympics. 23021 Talk with your partner about your favourite musician, using because and for. 23021 A: Who is your favourite musician? B: My favourite musician is Beethoven. A: Why do you like him so much? B: I admire him most because he never gave up creating music even when he lost his hearing. His works are full of courage and hope. A: That’s amazing. What else do you love about his music? B: I always listen to his symphonies in my free time, for they can cheer me up whenever I feel upset. 23021 Mozart is one of the most famous musicians in history. Since his father was also a musician, he learnt about music early in his life. Mozart wrote his first piece of music when he was just five years old. As he was clearly very talented, it is no surprise that he became a great musician. Read the text below and pay attention to the use of since and as. Then summarize their usages. Read and summarise 23021 Since and as are also used to give reasons for something. There is no big difference in meaning between since and as. Usually, the reasons are already known. Their tone is weaker than because. We can use both since and as at the start of a sentence or in the middle of a sentence. e.g. Since he had no musical instruments then, he made music with common objects like stones and paper. Tan uses the sounds of nature a lot in his music, as he likes them very much. Summary 23021 Sandy made some notes about the school music festival. Help her rewrite each pair of sentences into one sentence with since or as. Practice 1. Daniel is going to play the violin at the music festival. He is good at it. ___________________________________________________________ ___________________________________________________________ 2. Kitty will sing a song at the festival. She is practising hard these days. ___________________________________________________________ ___________________________________________________________ 3. I can draw very well. I will design the poster for the music festival. ___________________________________________________________ ___________________________________________________________ 4. There will be piano lessons. Some students want to learn how to play the piano. ___________________________________________________________ ___________________________________________________________ 5. The music festival is open to all students and parents. Everybody is welcome. __________________________________________________________ ___________________________________________________________ Since/As Daniel is good at the violin, he is going to play it at the music festival. Since/As Kitty is practising hard these days, she will sing a song at the festival. Since/As I can draw very well, I will design the poster for the music festival. There will be piano lessons since/as some students want to learn how to play the piano. Since/As the music festival is open to all students and parents, everybody is welcome. 23021 Sunshine Middle School gave all the students free tickets to a Beijing opera show during the music festival. Sandy is writing a passage about it. Help her improve her passage by rewriting the underlined sentences using the words in brackets. (1) Our school gave us free tickets to a Beijing opera show. I was very excited. (because) It can help us learn more about different forms of music. I planned to take the underground to the theatre. (2) Millie also planned to take the underground. We went to the theatre together. (since) When we arrived, Kitty was already there. Soon Simon and Daniel came too. 1 I was very excited because our school gave us free tickets to a Beijing opera show. 2 Since Millie also planned to take the underground, we went to the theatre together. 23021 (3) It was still early. We bought some bottles of water at a nearby shop. (as) Then we waited for Amy outside the theatre. (4) The man at the door told us to enter the theatre. The opera was about to start. (for) But Amy was not there yet. After a while, we saw Amy running towards us. (5) She was late. The traffic was awful. (because) We were lucky. (6) The opera started five minutes late. We did not miss anything. (since) It was a wonderful performance. We all loved it! 3 As it was still early, we bought some bottles of water at a nearby shop. 4 The man at the door told us to enter the theatre, for the opera was about to start. 5 She was late because the traffic was rather bad. 6 Since the opera started five minutes late, we did not miss anything. 23021 Write at least four sentences about a music event at your school, using because, for, since and as. 23021 As our school loves art activities, we held a wonderful school music festival last Friday. Since many students are fond of singing and playing instruments, lots of them took part in the festival performances. I sang a pop song on the stage because I have practised it for a long time. The whole event turned out really fantastic, for all teachers and students enjoyed the sweet music deeply. 23021 ✍ Review the grammar we learnt today. ✍ Preview Integration on Pages 73-76. Homework 23021 Lavf57.83.100 $