Unit 2 Colours Grammar课件2025-2026学年译林版（2012）英语九年级上册

该初中英语课件聚焦宾语从句语法，涵盖that、if/whether及疑问词引导的用法，通过Free Talk和颜色主题对话导入，结合预习检测衔接基础，知识梳理从定义到规则搭建学习支架，帮助学生逐步掌握语法要点。 其特色是依托颜色主题创设购物、邮件写作等真实情境，通过分层练习提升语言运用能力，知识总结清晰归纳语序、时态等规则培养思维品质。学生在情境中掌握语法，教师可借助完整结构高效教学，助力提升教学效果。

Unit 2 Colours Grammar 1 2 能熟悉并正确运用本课时的重点单词和短语。 能掌握that引导的宾语从句。 3 能掌握if或whether引导的宾语从句。 学习目标 【学习目标】 学习目标 1.能熟悉并能正确运用本课时的重点单词和短语2.～Hh3.能区分男孩名和女孩名 重点 1.使用Good morning! Hi! Hello!等句型有礼貌地和他人打招呼2.字母A a~H h并理解缩略词的意义 1. Which of the following sentences has an object clause? _______ A. His mother called him Robbie when he was a baby. B. On Mars you might see people who wear special boots. C. Mr Green tells us that we'd better use the Internet properly. D. Our life has improved because the environment is getting better. 2. —Could you tell me _____ you'd like me to pay you? —You'd better use mobile payment. I don't care _____ it is Alipay or WeChat Pay. A. how; whether B. how; why C. what; whether D. what; why 预习检测 C A 3. — How long does it take to get to the airport? — Forty minutes. But it's foggy today. I'm not sure _____ the highway will close soon. Let's set off earlier. A. whether B. when C. how D. why 4. The teacher told the children that the sun _____ round. A. was B. is C. were D. are 5. I believe that our team _____ the basketball match. A. win B. won C. will win D. wins A B C 新课导入 Free Talk How much do you know about object clauses? Sandy: Most people think light colours are better than dark ones. Millie: Yes. I notice light colours make rooms seem larger. Sandy: Sure. I also know blue can make us feel relaxed. Millie : Yes. My mum says blue is suitable for bedrooms. I also find some people prefer orange for their dining rooms. Sandy: True, but it depends on personal taste. Anyway, we should choose the colour which makes us feel comfortable. personal 常在名词前作定语，由“person (n.) 人+-al(形容词后缀) ”构成。 具有审视和选择意识，能够根据不同情境和自身实际，选择适合自己的生存环境。 B. Object clauses introduced by if or whether We use if or whether to introduce an object clause that expresses a yes/no question. Such an object clause often follows verbs such as ask, see, wonder and find out. The word order in the clause should be the same as that in a statement. You may wonder if/whether colours influence our moods. Sandy asks if/whether orange can cheer her up. Problems about shopping B1. The Class 1, Grade 9 students are shopping. Complete the sentences by using if or whether to make object clauses. 1. Should I choose the red dress? Kitty cannot decide _____________________________________. 2. Do white clothes suit me? Sandy does not know ______________________________. if/whether she should choose the red dress if/whether white clothes suit her 3. Is the sports bag made of cotton? Amy is asking ____________________________________________. 4. Does the green T-shirt match my trousers? Simon is not sure _________________________________________. 5. Should I stay at home instead of going shopping with my classmates? ④ Daniel often wonders _____________________________________ _______________________________________________________. if/whether the sports bag is made of cotton if/whether the green T-shirt matches his trousers if/whether he should stay at home instead going shopping with his classmates 知识梳理 我们 知道 姚明。 We know Yao Ming． We know 宾语从句就是由一个句子来构成主句的宾语，并有一个连接词引导。 什么是宾语从句？ 宾o 宾o 主s 谓v he is a famous basketball player. that 连接词 我们 知道 他是一个著名的篮球运动员。 谓v 主s How much do you know about colours? B2. Daniel wants to tell his online friend Tommy about colours. Help him complete his email using that, if or whether. Dear Tommy, Have you ever noticed the colours around you? Colours are really interesting. A report says(1) _________ blue can help us feel relaxed because it represents peace. You may wonder (2) ___________ it represents anything else. that if/whether Yes. Blue also means sadness. I do not know(3) ___________ you like green. Some people think(4) ___________ green can give us energy, but it also represents envy. Did you know (5) ___________ red represents good luck in China? It is often used for celebrations! ⑤ Please tell me your favourite colour and (6) ___________ you know anything else about colours. Write back soon. Best wishes, Daniel if/whether that that if/whether celebration为名词，意为“庆祝”。have/hold a celebration “举行庆祝活动”。celebration 的动词形式为celebrate。 有哪些句子可以做宾语？ 1. 陈述句 He is a famous basketball player. 2. 一般疑问句 Will our teachers attend the meeting? 3. 特殊疑问句 Which coat did you prefer? B3. Daniel has some questions about colours to ask his dad, but his dad has not come home yet. Help him write a note for his dad. 1. Dad knows a lot about colours. 2. Is red just the colour of heat and power? 3. Was yellow once the colour of the rulers in ancient China? 4. Did the rulers in ancient Europe like to wear purple? 5. Do all the doctors in the world wear white uniforms? Revision 1 I do not know how I should deal with it. 2 Sometimes we forget when we should stop. 3 I do not understand why they are so strict with me. 4 I wonder how I can achieve a balance between my schoolwork and my hobbies. Object clauses introduced by question words Wh-引导词 +主+谓+其他 More problems and questions where who why when how what if/whether the green T-shirt matches his trousers if/whether he should stay at home instead of going shopping with his classmates stay at home instead of going shopping with my classmates? 注意：if和whether引导宾语从句时通常可互换使用，但在以下情况中只能使用whether (1) 与or not直接连用时 e.g. Let me know whether you can come or not. (√) Let me know if you can come or not. (×) (2) 宾语从句位于句首表强调时 e.g. Whether it is true or not, I can’t tell. (√) If it is true or not, I can’t tell. (×) (3) 宾语从句作介词的宾语时 e.g. I worry about whether I hurt her feelings. (√) I worry about if I hurt her feelings. (×) (4) 引导动词不定式时 e.g. I don’t know whether to accept or refuse. (√) I don’t know if to accept or refuse. (×) (5) if 意为“如果”，引导条件状语从句，这时if不能用whether替换 e.g. We will go shopping if it doesn’t rain tomorrow. (√) We will go shopping whether it doesn’t rain tomorrow. (×) Help Millie complete her email with the correct question words. whom what what how what Daniel has some questions. Rewrite his questions by using object clauses introduced by question words. Practice 1. I wonder _________________________. 2. I am not sure _____________________ ________________________________. 3. Can you tell me ____________________ _________________________? how much sleep we need every day which method I should use to solve the problem where we can buy a good dictionary 4. I want to know __________________ ______________________________. 5. I do not know ___________________ ______________________________. 6. I cannot imagine ________________ _____________________________. how I can improve my English quickly whom we should ask for help what life would be like without hobbies 1. Uncle John came up to see _________ there was anything wrong with the computer. 2. The shopkeeper asked my father ________ or not he wanted to choose a big Christmas tree. 3. I don’t know __________ to go or stay? 4. _______ time runs out, what should we do? 5. ________ they will ever become future Olympic champions, only time will tell. Practice if/whether whether whether If Whether 1.You may wonder if/whether colours influence our moods. 2.Sandy asks if/whether orange can cheer her up. Task3:Problems about shopping Dear Tommy, Have you ever noticed the colours around you? Colours are really interesting. A report says (1)_____ blue can help us feel relaxed because it represents peace. You may wonder (2)__________ it represents anything else. Yes. Blue also means sadness. I do not know (3)___________ you like green. that if/whether if/whether Some people think (4)____ green can give us energy, but it also represents envy. Did you know(5)____ red represents good luck in China?It is often used for celebrations! Please tell me your favourite colour and (6)___________ you know anything else about colours. Write back soon. Best wishes, Daniel that that if/whether Exercise B2 宾语从句的时态 3）当从句表示的是客观事实、真理、谚语等时，仍用一般现在时； Key Point 4 2）当主句时态为一般过去时时，从句应用相应的过去时态； 1）当主句时态为一般现在时时，从句可用任何时态，依语境而定。 He realizes (that) he needs to work hard. He said (that) he was doing his homework. He realizes. He needs to work hard. “I’m doing my homework.” he said. His father said. One and one is two. His father said (that) one and one is two. “Will you have a three-day holiday?” my mother asked me. My mother asked me if / whether I would have a three-day holiday. 当宾语从句是特殊疑问句时，连接词用疑问句中的疑问词，同时把原来的疑问语序改为陈述语序。此时宾语从句常可用“疑问词+to do”的结构替换。 e.g. He asked how they would go to the park. = He asked how to go to the park. I don’t know what I should do next. = I don’t know what to do next. 宾语从句的连接词（引导词） Daniel wants to tell his online friend Tommy about colours. Help him complete his email using that, if or whether. often that if/whether if/whether that that if/whether Daniel has some questions about colours to ask his dad, but his dad has not come home yet. Help him write a note for his dad. I believe (1) _______________________________________________. I wonder (2) ______________________________________________. I want to know (3) _________________________________________ ___________________________________. I do not know (4) __________________________________________ ____________________________________. I am not certain (5) ________________________________________ __________________________________. (that) Dad knows a lot about colours if/whether red is just the colour of heat and power if/whether yellow was once the colour of the rulers in ancient China if/whether the rulers in ancient Europe like to wear purple if/whether all the doctors in the world wear white uniforms Object clauses introduced by “____” or “ _______ ” . if whether Task4:Work out the rule Key Points Key Points HOW WHERE WHAT Object clause Summary 句子做宾语 vt. adj. prep. that + the statement if /whether + yes / no question question word + statement 口语中，that引导宾语从句that可省略 从句为问句时，使用陈述句语序 当主句时态为一般现在时时， - 从句可用任何时态，依语境而定。 - 仍用一般现在时 当主句时态为一般过去时时， - 从句应用相应的过去时态 当放句首时、与or / or not连用时、在介词后时、后接动词不定式时，一般用whether，不用if if 表示“如果”，引导条件状语从句 if 表示“是否”, 引导宾语从句 31 — How long does it take to get to the airport? — Forty minutes. But it’s foggy today. I’m not sure _______ the highway will close soon. Let’s set off earlier. A. whether B. when C. how D. why 2. The teacher told the children that the sun _______ round. A. was B. is C. were D. are 3. I believe that our team _______ the basketball match. A. win B. won C. will win D. wins 4. I don’t know _______ to visit the old man. A. whether B. if C. that D. who 5. She wanted to know _____ her mother liked the present. A. which B. that C. if D. what 6. Do you know if ______ back next week? If he ______ back, please let me know. A. he comes, will come B. will he come, comes C. he will come, comes D. will he come, will come $