Unit 3 Section A Grammar Focus-3c 课件 2026-2027学年人教版英语八年级上册

第三课时 （Grammar Focus-3c） Section A How are we different from each other? Unit 3 Same or Different? Same or Different? Review Ella Emma Similarities Differences look similar have longer hair taller work as hard as both like singing funnier love playing sports dance better Do you remember their similarities and differences? quieter get up earlier like reading sings louder Let's read! Emma and Ella are twins. They have some similarities.They look similar and they both like singing. Ella is as smart as Emma,andshe works as hard as Emma. However, they have some differences too.Ella has longer hair. She is friendlier and braver than Emma. She dances better than Emma. And she runs faster than Emma. Emma is taller and thinner.She is more confident than Ella.She always gets up earlier than Ella. And she sings louder than Ella. They are different in many ways, but together, they make a great team. 1.Can you find out all the comparative forms? 形容词和副词比较级的构成 （1）一般在词尾+er smaller ; younger ; older ; smarter ; cheaper （2）以不发音的e结尾的词，在词尾+r nice—nicer ; late—later ; wide—wider ; large—larger （3）以辅音字母+y结尾的词，变y为i，再+er heavy—heavier ; busy—busier ; easy—easier ; dry—drier （4）重读闭音节，且末尾只有一个辅音字母的词， 双写该辅音字母，再+er big—bigger ; hot—hotter ; thin—thinner ; fat—fatter （5）部分双音节和多音节词，在原级前+more构成比较级 slowly—more slowly ; beautiful—more beautiful important—more important famous—more famous 比较级的变化规则 单音节词和部 分双音节词 1.一般在词尾加-er 2.以字母 e 结尾的词,在词尾加-r； 3.以"辅音字母+y" 结尾的双音节词，变y为i，再加-er 4.重读闭音节词尾只有一个辅音字母,双写末尾字母,再加-er 5.在词前加more 特殊记忆 many/much →more ；little →less good/well →better； bad/badly →worse far →farther/further ； old →older/elder summary 原级 比较级 原级中文 原级 比较级 原级中文 large warm samll cool much slim Challenge 原级 比较级 原级中文 原级 比较级 原级中文 large larger 大的 warm warmer 温暖的 small smaller 小的 cool cooler 凉爽的 much more 多的 slim slimmer 苗条的 Who wants to have a try? Let’s learn. 比较级变化规律 比较两者的特征，要用形容词比较级。 比较级有规律，加上er两兄弟。 要是以e来结尾，结尾加r就可以。 辅音加y来结尾，小i要把y来替。 重读“辅元辅”要牢记，双写千万别忘记。 双音多音更容易，前面加more就可以。 特殊形式记清楚，好坏老远知多少。 3a Read the sentences and notice the comparatives in bold. Find more examples in Section A. There are more activities this year. It is more colourful than last year. Emma is taller than Ella, but her hair is shorter than Ella’s. Ella dances better than Emma, but Emma sings louder than her. Emma always gets up earlier than me, but I work as hard as her! Grammar 用as… as表示原级，“和……一样”, 比较级的用法 1.主语(A)+谓语动词+形容词/副词比较级+than+主语(B) … A比B更... I am taller than her. 我比她更高. Emma sings better than Ella. Emma比Ella唱的好 2.Which / Who 动词+ 比较级…，A or B?A、B两事物, 哪一个较…？ Which T-shirt is nicer, this one or that one? Who is more outgoing , Mary or Kate? 3.“比较级＋and＋比较级” ; “more and more＋形容词原级” 意为“越来越……” e.g. It is raining harder and harder. Chinese is becoming more and more popular. 5.“比较级 + than + anyone else / any other + 名词单数/the other +复数名词 ”的结构可以表示最高级含义。 Bill is funnier than anyone else in our class. 6.the 比较级of the two表示是两者中较...的。 Of the two girls, Lucy is the thinner. 用as… as表示原级， “和……一样” , I work as hard as her. 用as… as表示原级， “和……一样” , I work as hard as her. 用as… as表示原级， “和……一样” , I work as hard as her. 用as… as表示原级， “和……一样” , I work as hard as her. 用as… as表示原级， “和……一样” , I work as hard as her. 用as… as表示原级， “和……一样” , I work as hard as her. 用as… as表示原级， “和……一样” , I work as hard as her. 注意：在形容词比较级前还可用much、even、 still、far、a little 等来修饰，表示“……的多”，“甚至……”, “更……”, “……一些”。 e.g. He is much more serious than his brother. This book is even more useful than that one. The harder you work,the better grades you’ll get. The more, the better. 4.the+比较级...，the+比较级... 越…, 越… 1. To keep healthy, you should eat more vegetables and _____ (little) meat. 2. The streets in our city are ________ (clean) than before. 3. He often gets better grades that’s because he is _________________ (hard-working) than before. 4. Mr. Black is _______ (rich) than any other villager and he often helps people in need. 5. Which museum is _____________ (beautiful), this one or that one? 6. —Cindy, are you feeling better now? —No, Mum. I feel even ______ (bad). 7. She always writes as _________ (careful) as her brother. They are both our examples. less cleaner more hard-working richer more beautiful worse carefully 语法填空。 3b Use the words in brackets to write questions and answers. 1. Q：Is Julie slimmer than you? (Julie / slim / you) A: No, she isn’t. She is as slim as me. 2. Q：________________________________? (you / serious / your cousin) A: No, I’m not. I am __________ than he is. Are you more serious than your cousin less serious 3. Q: _____________________? (Tom / smart / Sam) A: No, I don’t think so. I think Sam is as ______ as Tom. 4. Q: ___________________________? (Jack / swim / fast / Sally) A: No, he doesn’t. He swims as ______ as Sally. Is Tom smarter than Sam Does Jack swim faster than Sally smart fast adj. 苗条的，薄的 3c Look at the chart. Then complete the sentences to compare Guangzhou and Vancouver. Use the words in the box and than. Facts Population(2024) 18.978 million 0.76 million Area 7,436 square km 115 square km Average rainfall per year 1,923 mm 1,475 mm Average January temperature 16℃ 5℃ Average July temperature 31℃ 18℃ 面积 年均降水量 温哥华 [ˌpɒpjuˈleɪʃn]人口 /fækts/事实 large small much warm 1.The population of Vancouver was ___________ that of Guangzhou in 2024. 2.In area, Guangzhou is ___________ Vancouver. 3.It rains ______ in Guangzhou ___________ in Vancouver. 4. Guangzhou has a pleasant temperature in January. It is ______________ Vancouver in January. 5. Vancouver is ____________ Guangzhou in July. smaller than larger than more warmer than cooler than cool than Can you compare the two cities. Facts Population(2024) 21.89 million 6.67 million Area 16410 square km 7195 square km Average rainfall per year 626 mm 1819 mm Average January temperature -3℃ 7℃ Average July temperature 24℃ 30℃ 面积 年均降水量 Let's compare! Beijing Nanchang Facts Beijing Nanchang Population(2024) 21.89 million 6.67 million Area 16410 square km 7195 square km Average rainfall per year 626 mm 1819 mm Average January temperature -3℃ 7℃ Average July temperature 24℃ 30℃ 1.The population of Nanchang was _________________________________ . 2.In area, Beijing is _____________________________ . 3.It rains ______ in _________________________ . 4. Nanchang has a________________________ in January. It is ___________________________ in January. 5. Beijing is ______________________ in July. smaller than that of Beijing in 2024 larger than Nanchang more Nanchang than in Beijing pleasant temperature warmer than in Beijing cooler than Nanchang Let's compare! the+比较级， the+比较级 规则变化、不规则变化 比较级+and+比较级 much、a lot 、a little等 as+原级+as 比较级的构成 比较级的用法 可以修饰 比较级的词 平级比较 比较级+than Summary 单句填词 (基础) The sun is ________________ (large) than the Earth. This box is smaller ________________ that one. She has ________________ (much) books than her brother. Today is ________________ (warm) than yesterday. There is ________________ (little) water in this bottle than in that one. My English is ________________ (good) than yours. He runs ________________ (fast) than his friend. Lucy is ________________ (slim) than her sister. There are ________________ (many) students in Class 1 than in Class 2. Tom is as smart ______________ his cousin. She wakes up ________________ (early) than her parents. larger than more warmer less better faster slimmer more as earlier Exercises 自我检测 按要求写出正确的单词、词组或句子。 苗条的 (形容词) __________ 2. 事实 (名词) ___________ 3. 人口(名词) __________ 4. 降雨(名词) __________ 5. 平均的(形容词) __________ 6. 宜人的 (形容词) __________ 7. 与……一样（短语）__________ 8. 平均降雨（短语）________ 9. 今年有更多的活动。 ___________________________ 10. 艾玛的头发要比艾拉的短。 _______________________ 11. 艾拉跳舞比艾玛好。___________________ 12. 艾玛总是起床比我早。 ________________________________________ slim fact population rainfall average pleasant as...as... average rainfall There are more activities this year. Emma’s hair is shorter than Ella’s. Ella dances better than Emma. Emma always gets up earlier than me. 1.熟记比较级句型，每个句型写2个句子. 2.收集南昌和北京的基本信息（人口，面积。年平均气温，1月平均气温，7月平均气温），用比较级句型比较这两个城市。 Homework Homework Thank you $