Unit 3 Section A 2a-Grammar 课件 2024-2025学年人教版八年级英语上册

nullnullnullUnit 3 I’m more outgoing than my sister. Section A 2a-3c scc2zbyy19092408 1 smart—smarter fast—faster high—higher hard—harder thin—thinner funny—funnier friendly—friendlier lazy—lazier early—earlier Challenge yourself! Level 1 scc2zbyy19092408 2016 outgoing—more outgoing hard-working—more hard-working quietly—— more quietly loudly—— more loudly Level 1 good/well— better scc2zbyy19092408 2016 Who are the twins? Who is the woman? She is a reporter from SFTV. They are Tara and Tina. After the performance scc2zbyy19092003 4 What is the conversation about? scc2zbyy19092003 5 funny smart lazy hard-working fast high hard early Tip: Focus on comparatives(比较级). personality 性格 ability 能力 habit 习惯 scc2zbyy19092003 7 P24 hard-working quiet serious smart run fast jump high P24 How can we write down the sentences quickly? Listening tip: Write down the key words. as...as... 与...一样 P18 scc2zbyy19092003 9 Tina Tara ... is friendlier and funnier than Tara. can run faster and jump higher. is smarter. is lazier. ... gets up earlier than Tina. scc2zbyy19092003 10 Student A Student B A: Is Sam smarter than Tom? B: Yes. Sam is smarter than Tom. B: Does Sam get up earlier than Tom? A: No. Sam gets up as early as Tom. Look at the chart. Ask questions. Answer the questions. scc2zbyy19092003 11 P24 hard-working quiet serious smart run fast jump high P24 Challenge yourself! Level 2 Dale is heavier than Dave. Dave is thinner than Dale. Dave Dale Let’s compare them according to the build. scc2zbyy19092408 13 Level 2 Lily has longer hair than Lucy. Lucy has shorter hair than Lily. Lily Lucy Lily’s hair is longer than Lucy’s. Lucy’s hair is shorter than Lily’s. hair scc2zbyy19092408 14 Level 2 Lisa speaks more loudly than Tina. Lisa Tina the way of speaking Tina speaks more quietly than Lisa. scc2zbyy19092408 15 Level 3 Jack is as tall as Mike. Jack 40kg Mike 40kg Jack is as heavy as Mike. height build Both Mike and Jack are tall. Both Mike and Jack are heavy. scc2zbyy19092408 16 Level 3 Jack Bob Jack runs as fast as Bob. Both Jack and Bob run fast. =They both run fast. speed(速度) scc2zbyy19092408 17 Level 3 Nancy Betty Nancy works as hard as Betty. =Both Nancy and Betty work hard. Nancy is as hard-working as Betty. =Both Nancy and Betty are hard-working . work hard work hard scc2zbyy19092408 18 They are singing competitions. What do you think of them? Voice of America Sing! China Popular and fantastic. scc2zbyy19092408 19 Nelly and Lisa joined in the singing competition yesterday. 2d. Read and fill in the blanks. Lisa sang _____ and __________ than Nelly. But Nelly _____________ than Lisa . better more clearly danced better Nelly Lisa Role play 看得出来 which pron. & adj. 哪一个；哪一些 指上文或下文提到的几个名词中的一个或一些。 e.g. Which is your bike, Mary? 哪一辆是你的自行车，玛丽？ Which pictures are yours? though 1.adv. 不过；可是；然而 通常用于句末，前面用逗号隔开。 Jim said that he would come; he didn't, though. 2. conj. 虽然；尽管 引导让步状语从句，可以和although互换。 Read after the tape. Change the adjectives into comparative (比较级) forms. adj. high-- slow-- tall-- long-- small-- smart-- busy-- lazy-- funny-- higher slower taller longer smaller smarter busier lazier funnier be adj. outgoing— beautiful— important— more outgoing more beautiful more important be Change the adverbs into comparative (比较级) forms. adv. fast-- hard— high-- early-- easily— clearly— loudly— faster harder higher earlier more easily more clearly more loudly v. 1. Tom runs fast, and Dave runs fast, too. Tom runs ____________ Dave. Tom and Dave _____________. 2. My grandmother is very healthy, and my grandfather is also healthy. My grandmother is ____________ my grandfather. My grandmother and grandfather are ______healthy. Exercises as fast as both run fast as healthy as both 3. --Does Tina get up as early as Tara? --No,she doesn’t. Tina gets up________ (early) than Tara. 4. --Who has ______ (long) hair, Cindy or Helen? --Cindy. 5. My cousin’s shoes are ________ (small) than ____________ (my). Exercises earlier longer smaller mine funnier more outgoing serious faster less friendly P24 Self Check 2 If you compare two people,what aspects (方面) would you like to describe? How to describe people? How to compare people? （talk about the differences） adj. adv. …than… How to talk about the same things between two people? …as…as… both Match the answers to the questions. Underline the comparatives of adj. and adv. scc2zbyy19092408 33 比较级 定义—— 英语句子中,将比较两个主体的句子叫比较句型。 其中,“A比B更…”的表达方式称为比较级。 1. Actions speak louder than words. 事实胜于雄辩。 2. It is easier to say than doing.说来容易做来难。 形容词：是修饰名词（人或事物），表示名词的性质，特征或属性一种词类。 一、形容词的概念 阁下莫非就是当年华山论剑武工独步天下罕有其匹号称一朵梨花压海棠的少林寺智障大师收养的小沙弥低能的爱犬旺财踩扁的蟑螂小强曾滚过的一个粪球？ ①形容词作定语一般放在被修饰的名词之前。 如: a new book, two big trees 等。 二、形容词的用法 ②形容词放在系动词be 、look、 smell、feel、 sound、taste、get、keep等之后。 如:1. I am short. 2. She looks fine. 3. You shoud keep healthy. ③如果形容词修饰不定代词something, anything, everything, nothing等时, 要放在不定代词后面。 如:something interesting nothing new 形容词修饰enough时，形容词要放在enough之前. 如：old enough , special enough, young enough. 37 副词：是指在句子中表示行为或状态特征的词，用以修饰动词、形容词、其他副词或全句，表示时间、地点、程度、方式等概念。 二、副词的概念 约翰跑得快。 John runs fast. 三、形容词或副词的级 形容词或副词有三个等级: 原级、比较级、最高级 1.原级：即形容词的原形。 small, good, pretty, big, many ① 程度副词very, too, so, quite等修饰形容词的原级。 比如: very tall、too hot、so cold 、quite interesting 39 ② as +adj./adv.(原级)+as (与…一样） The story is as interesting as that one. not as/so+adj./adv.(原级)+as （不如...） The question is not as / so difficult as that one. 40 比较级 比较级的使用： 两个人或事物进行比较时，用比较级。 smart—smarter fast—faster high—higher hard—harder 1.一般在词尾加 er fine—finer late—later 2. 以字母e 结尾的词,加 r 规则变化（一）： scc2zbyy19092408 42 funny—funnier friendly—friendlier lazy—lazier early—earlier big—bigger thin—thinner fat—fatter 3. 重读闭音节词只有一个辅音字母时, 双写辅音字母,加 er 4. 以辅音字母加“y”结尾的词，变“y”为“i”再加er。 scc2zbyy19092408 43 delicious — more delicious outgoing — more outgoing hard-working — more hard-working fun — more fun 部分双音节词和多音节词前加 more 规则变化（二）： scc2zbyy19092408 44 原级 比较级 good/well better bad/badly worse many/much more little less far farther further old older elder 不规则变化： P114 scc2zbyy19092408 45 scc2zbyy19092408 46 比较级基本句式： 1. A + 系v.+形容词比较级+ than +B Tom is taller than Sam. (系动词：be/感官动词等) 2. A + 实义v.+副词比较级+ than +B Tom works harder than Sam. Tina runs faster than Tara. scc2zbyy19092408 47 3. A +v. + 倍数/差值+比较级+than B? e.g: Lisa is 3cm taller than Tina. This room is four times bigger than that one. Jack比Bob重10公斤。 Jack is 10 kg heavier than Bob. scc2zbyy19092408 48 4. 疑问词 +系v. +adj.比较级， A or B? e.g: Who’s taller，Tina or Tara? Which is bigger, the earth or the sun? 5. 疑问词 +实义v. +adv.比较级， A or B? Who dances better , Tina or Sally? 注意：在含有or的特殊选择疑问句中，如果有两者供选择，前面的adj./adv.要用比较级形式。 scc2zbyy19092408 49 1.在含有连词than的比较级中，前后的比较对象必须是同一范畴，即同类事物之间的比较。 例如： A watermelon is much bigger than an apple. 注意 2.比较级必须在同类中进行，即人与人比，物与物比。而且比较结构前后的词语要对称，特别注意在than之后不要漏掉可能出现的替代词that, those. The weather in Shanghai is better than that in Chongqing. The apples in this garden are bigger than those in that garden. 注意 51 。 如果主语是物主代词+名词，那么后面要用名词性物主代词 His shirt is more expensive than mine. 3.在比较级前可使用much/ a lot/ far (更加，…的多), even(更,更加), a little(有点) 修饰。但very, quite, so, too不能修饰比较级。 注意 This movie is a little more interesting than that one. Chickens are much smaller than cows. 练习：单项选择。 1. This one is too large. Can you show me a __________one? A. larger B. large C. small D. smaller 2. —Do you think March is __________ than January? —Yes, it’s __________ warmer. A.better, a little B. well, much C.worse, very D. nicer, quite 精选 54 3. Her bag is newer than __________. A. mine B. my C. me D. I 4. The weather in North China is colder than __________ in South China. A. \ B. the C. the one D. that 精选 55 5. Which one is __________, this one or that one? A. good B. bad C. best D. better 6. I think your room is __________ bigger. A. a lot B. a lot of C. lots of D. more 精选 56 7. I’m __________ quieter than Susan. A. little B. few C. a little D. a few 8. The watch is not __________ beautiful as that one. A. very B. too C. so D. more 重点句型结构和用法 1．“越来越……” ①“比较级+ and +比较级” ②“more and more+原级(多音节词或部分双音节词)” 。 It becomes warmer and warmer when spring comes. 　　 The flowers are more and more beautiful. 2.“the +比较级（+主+谓）, the+比较级+（主+谓）”, 表示“越……，就越……” 例如： ①The more we get, the happier we feel. ②The sooner，the better. The __________, the better. A. much B. many C. more D. most 3. 表示两者中“较...”时，用“be+the+形容词比较级+of the two(+...)”来表达。 He is the taller of the two boys. 精选 61 He is taller than any other student in class. He is taller than the other students in cllass. 4.比较级+than any other+单数名词 比较级+than the other+可数名词复数 表示“比其他任何...都更....” Follow ups(随堂练习) 1、The Changjiang River is ____ than any other river in China. A. shorter B. longer C. shortest 2、Bob never dose his homework ____ Mary. He makes lots of mistakes. A. so careful B. as carefully as C. carefully as D. as careful as 3、____ she is, ____ she feels. A. Busier, happier B.The busier, the happier 4、The weather is getting w__ __ a_ _ w___ _ .(越来越糟糕) B B B orse nd orse 精选 62 。 Have a try，please. 1.Which do you like ______(well),apples or oranges? 2.Who is ______(old),Jim or Tom ? 3.Jack is running _____ and ______(fast) . 4.Our country is becoming ______and ___________ (beautiful). 5.He is ________(tall) of the two boys. better older faster faster more more beautiful the taller 63 $$