Unit 3 Section A（Grammar 2 3a-3c）（同步实用课件）-2025-2026学年八年级英语上册同步精美课件（人教版2024）

该初中英语课件聚焦形容词和副词比较级，系统梳理其构成规则、语义用法及as...as与(more)...than等句型，通过Sam和Tom的对话示例及比较表导入，搭建从原级到比较级的学习支架，帮助学生建立知识联系。 其亮点在于融合语言能力与思维品质培养，通过广州与温哥华的跨文化数据比较任务，引导学生解析归纳信息，运用比较级描述差异，同时设计梯度练习题和句型转换训练，强化语法应用。这不仅助力学生提升语言表达准确性，还培养跨文化认知，为教师提供结构化教学方案，提高课堂效率。

Unit3 Unit3 Same or Different? Section A Grammar focus 能够梳理和归纳形容词和副词比较级的结构特征、构成规则、语义及用法。 2.能够在语境中正确使用as...as与(more)...than等句型进行人或物之间的比较和描述。 3.能够基于表格，解析和归纳数据信息，用比较级对城市进行跨文化比较。 Learning Objectives Sam Tom smart * *** tall *** *** run fast *** * get up early * *** thin *** *** funny *** * hard-working * *** friendly *** *** -Be动词 +A+adj比较级+than+B？-Yes.../No... -Do/does+A +实义动词 +adv比较级+than+B？-Yes.../No... A+v+as adj. /adv.原形 as+B --Is Tom smarter than Sam? --Yes, he is. He is smarter than Sam. Sam and Tom --Does Tom run faster than Sam? --No, he doesn't. He runs more slowly than Sam. 1. 含义：大多数的形容词和副词都有三个级别。 原级：描述事物的特征或性质 比较级： 两个事物之间比较，“较...”、”更...一些” 最高级：三个及以上多个事物之间比较，“最...” eg: Lily works hard. Lily works harder than Lisa. Lily works hardest among her classmates. 形容词和副词的用法 形副词的用法 形容词可放在系动词后，在句中作表语。 主系表结构 It is more colorful. Emma sings louder. 主语 谓语 表语 主语 谓语 状语 修饰动词 副词修饰动词、形容词，在句中作状语。 副词一般放在动词之后，形容词之前；去掉副词也不会影响句子成分。 This movie is as moving as that one. My sister is not as/so outgoing as me. =less+原级+than… 形容词、副词的原级 “as + 形容词或副词原形 + as”， “与……一样” 否定结构：“not as / so + 形容词或副词原形 + as”，“不如……那样……” 这个房间不如那个房间漂亮。 This room is _____ ______ beautiful _____ that one. =This room is _____ beautiful ______ that one . 露西起得不如艾米早。 Lucy _____ ______ get up ______ early______ Amy. not so as less than does not as/so as 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 3a. Read the sentences and notice the comparatives in bold. Find more examples in Section A. 比较级 Which parts of speech (词性) have comparative forms? 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! 形容词 形容词 Tips: 形容词常与be动词连用或修饰名词； 副词修饰行为动词，并往往位于动词后面。 形容词 形容词 副词 副词 副词 形容词(adj.)和副词(adv.)是有比较级的形式的。 比较级规则变化 1. 一般直接+er tall short(矮的) long short(短的) fast slow high low(低的) young old rich poor hard(硬的、努力的) soft(软的) dark (暗的) light(亮的，轻的) strong weak(弱的) cool cold warm clean thick(厚的) cheap(便宜的) shy taller shorter longer shorter faster slower higher lower younger older richer poorer harder softer darker lighter stronger weaker cooler colder warmer cleaner thicker shyer cheaper 3.重读闭音节双写+er 2. 以e结尾+r large huge(极/巨大的) late nice fine wide(宽的) safe(安全的) close (近的) wise(明智的) brave (勇敢的) larger huger later nicer finer wider safer closer wiser braver 大红湿热胖瘦伤心的 big red wet hot fat thin sad bigger redder wetter hotter fatter thinner sadder 4.辅音+y结尾，改y加ier 5.多音节+more easy early happy heavy lazy busy funny lucky crazy(疯狂的) pretty ugly silly angry hungry friendly lovely healthy easier earlier happier heavier lazier busier funnier luckier crazier prettier uglier sillier angrier hungrier friendlier lovelier healthier 严肃/重的 外向的 舒适的 舒适地 仔细的/小心的 仔细地/小心地 serious outgoing comfortable comfortably careful carefully loud loudly quiet quietly quick quickly slow slowly louder more loudly quieter more quietly quicker more quickly slower more slowly 原级 比较级 good/well better bad/badly/ill worse many/much more little less far farther(表示距离：“更远”) further(表示程度：“更进一步”) old older(新旧或年龄) elder(兄弟姐妹长幼关系) 不规则形容词和副词的比较级 形容词和副词比较级常用句型1 e.g. I’m more outgoing than my sister. You know more about yourself than I (do). David jumps higher than I / me. 当than前后所使用的动词相同时，通常用助动词代替后面的动词。该助动词也可以省略。 1. A+___________+ ___________+than+ B. 2. A+___________ + ___________+than+ B. be 动词 adj.比较级 实义动词 adv.比较级 形容词和副词比较级常用句型2 2. Which/Who+be 动词+形容词比较级, A or B? Which/Who+实义动词+副词比较级, A or B? “哪一个/谁更……，A 还是 B？” Which T-shirt is (nice), this one or that one? Who is (active), Mary or Kate? Which one is (popular)among students, going to concerts or going to the movies? nicer more active more popular 形容词和副词比较级常用句型3 The town is becoming (beautiful). “越来越……” 3. 比较级+and+比较级 或 more and more+ 形容词/副词原级 colder and colder more and more beautiful 冬天天气变得越来越冷了。 It’s getting (cold) in winter. 这个小镇正变得越来越美丽。 4. A+ be 动词+the+ 形容词比较级+of the two/twins(+其他). Mary is the shorter of the two. 玛丽是这两个人中较矮的那个。 A是两者中较……的 5. the+比较级, the+比较级 “越……，就越……” The more you laugh, the happier you’ll feel. 你笑得越多，你就会感到越开心。 形容词和副词比较级常用句型4 形容词和副词比较级常用句型5 1. (careless) you are, (many) mistakes you’ll make. 你越小心，错误就会越少。 2. (much) you eat, (fat) you’ll be. 你吃得越多，就越胖。 3. (hard) you study, (good) grades you will get. 你学习越努力，成绩就会越好。 The more careless the more The more the fatter The harder the better 5. the+比较级, the+比较级 “越……，就越……” (1)比较对象必须一致。 My hair is longer than yours. (2)有时为了避免重复，可用that或those代替前面提到的词，而且that或those不能省略。 The weather in Hainan is warmer than that in Beijing. His stories are more interesting than those I told. 比较级的注意事项 三多两少两特殊 : much，a lot，far，…的多 a little，a bit (一点儿)， even (甚至)，still (仍然) 1,修饰比较级的词 他甚至比以前看起来要更年轻。 He looks even younger than before. 我的爸爸唱的比我更好一点儿。 My father sings a little better than me. 昨天比今天要冷的多。 Yesterday was much colder than today. ( )1. Now Chinese people are living a ________life than before. A. good B. well C. better D. best ( )2. The more you smile, the ________ you will feel. A. happy B. happier C. happily　 D. more happily ( )3.Which season do you like _____, spring or winter? A.the best B. better C. good D. well ( )4. I think the story is not so ___ as that one. A. interesting B. interested C. more interesting D. most interesting ( )5.When spring comes, it gets____. A. warm and warm B. colder and colder C. warmer and warmer D. shorter and shorter ( )6. ___ I look at the picture, ____ I like it. A. The better; the more B. The more; the less C. The more; the more D. More; the more ( )7. It was very hot yesterday, but it is___ today. A. even hotter B. more hotter C. much more hot D. much hot C B B A C C A 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 / cousin) A: No, I’m not. I am ___________ than he is. 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. Are you as serious as your cousin less serious Do you think Tom is smarter than Sam smart Does Jack swim faster than Sally fast /slɪm/ adj.苗条的 A is less...than B A不如B... 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 0.76million 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℃ 人口 面积 年平均降雨量 1 月平均气温 7 月平均气温 Vancouver Guangzhou Is Guangzhou’s area larger than Vancouver’s? Which city has a larger population, Guangzhou or Vancouver? large small much warm cool 1. The population of Vancouver was ___________ that of Guangzhou in 2024. 2. In area, Guangzhou is _______________ Vancouver. 3. It rains ________ in Guangzhou ______ in Vancouver.Guangzhou’s. 4. Guangzhou has a pleasant temperature in January. It is ___________ Vancouver in January. 5. Vancouver is ________________ Guangzhou in July. smaller than larger than warmer than cooler than than more 3c. Look at the chart. Then complete the sentences to compare Guangzhou and Vancouver. Use the words in the box and than. / ˈplez(ə)nt / adj.宜人的 Guangzhou and Vancouver have many differences. First of all, the population of Vancouver was smaller than that of Guangzhou in 2024.Then, in terms of area, Guangzhou is larger than Vancouver. What's more, it rains more in Guangzhou than in Vancouver. Also, Guangzhou has a pleasant temperature in January, and it is much warmer than Vancouver in January.Besides,Vancouver is cooler than Guangzhou in July. Additionally, Guangzhou is a busy city with lots of people, while Vancouver is more peaceful. Make a report about the comparison between Guangzhou and Vancouver. 1. The population of Vancouver was smaller than that of Guangzhou in 2024. （1）population常与定冠词the连用，作主语时，谓语动词通常用第三人称单数形式。 The population of this city is increasing rapidly. （2）指人口“多”时，用 ；人口“少”时，用 。 人口增加用________，人口减少就用_______。 small large/big Shanghai has a large population. It is one of the most populous cities in China. Language points grow fall （3）提问“有多少人口”时，用 。 what 上海人口众多，它是中国人口最多的城市之一。 这座城市的人口正在迅速增长。 加拿大的人口是多少？ What is the population of Canada? high—　 . tall—　 . funny—　　 　 . easy—　 . nice—　 . 　　late—　 . fat—　 . 　 thin—　 . little—　 . 　 good—　 . well—　 . bad/badly—　 . beautiful—　 . interesting—　 . hard-working—　 . 　thinner 　fatter later 　nicer 　easier 　funnier 　taller 　higher 　more interesting 　more beautiful 　worse 　better better 　less clearly loudly quietly more clearly more loudly more quietly fat big wet fatter bigger wetter 一、请写出以下形容词和副词的比较级: 　more hard-working 二、用括号内所给单词的适当形式填空。 1. This bridge is the _______ (short) of the two. 2. This elephant is three times ______ (big) than that tiger. 3. Bob’s grandma is eighty, but she looks much ________ (young) than she is. 4. I think maths is _____________ (difficult) than English. It’s hard for me to learn it well. 5. —Which dog do you think is _____ (lazy), Hobo or Eddie? —I think Eddie is. shorter bigger younger more difficult lazier Mrs.Black has three sons.They're Mike,Dave and Jeff. Mike is eleven years old.He's 1the________ (young)of the three children. He looks as 2________(tall)as his brother Dave.But he is a little3 _______(heavy)than Dave. Mike and Dave both like running. Dave is thinner than Mike,so he runs much4 more_________(quick)than Mike. The two boys also like one of the most _____________(danger) sports, mountain climbing. Every weekend they go mountain climbing.Sure,every time Dave gets to the top of the mountain 6 ________(early)than Mike. Jeff is the oldest and the most 7___________ (serious)child of the three children. He hardly ever talks, but I think he does things more8_________(care)than any other student in our class. In every test he always does best but I do9_______(badly). Jeff always tries his best to help me.Jeff is the most10__________ (wonderful) boy that I've met so far. I like him. And I'm proud to be his friend. youngest tall heavier quickly dangerous earlier serious carefully worst wonderful. 三、用括号中所给单词的适当形式填空，完成短文。 Your father and mother are different in many ways, just like you and your friend. Do we have to find out who is really funnier or smarter? It is these differences that make us unique. 正是因为这些不同让我们变得独一无二。 Lavf58.20.100 Lavf58.20.100 $