江苏省扬中市同德中学八年级英语上册 8A Unit 1 Friends课件3

1、The bike is _.The tractor is _ .The car is _ .fastfasterthe fastestCompare them The black and white dog is the happiest of the three.The yellow dog is still happier.The white dog is very happy. Compare them The first pig is quite fat.The second pig is much fatter.The third pig is the fattest of all.

2、Compare them ConclusionWe use comparatives to compare two people or things when we see in the sentence2. We use superlatives to compare three or more people or things when we see than, much, even, still, a little, of the two , Which/Who is , A or B? etc.the, of, in , Which/Who is , A, B or C? etc.We

3、 add the before the superlatives.引导学生回归课本，通过对例句的学习和研究，探究出一定的规律，培养自主学习的意识。构成方法原级比较级最高级longfewcheaplongerfewercheaperlongestfewestcheapestnicesafelatenicersaferlaternicestsafestlatestbighotthinbiggerhotterthinnerbiggesthottestthinnestprettyunhappyheavyprettierunhappierheavierprettiestunhappiestheavies

4、t大部分单音节词在词尾加-er或-est以字母e结尾的词，加-r或-st重读闭音节词只有一个辅音字母时，应先双写辅音字母，再加-er或-est以辅音字母+y结尾的双音节词，先改“y”为“i”,再加-er或-estForm Comparatives and Superlatives构成方法原级比较级最高级nervousclearlydangerousfrightenedmore nervousmore clearlymore dangerousmore frightenedmost nervousmost clearlymost dangerousmost frightened不规则变法good

5、 / wellbetterbestbad /badly/illworseworstmany / muchmoremostlittlelessleastfarfarther（更远的）farthestfurther（进一步的）furthestoldolder / elderoldest / eldest部分双音节词和多音节词在前面加more或mostConclusion(Short adjectives are adjectives of one or two syllables(音节). Long adjectives are adjectives of three or more syllab

6、les.)We add -er / -est to short adjectives.We use more/ most for long adjectives.adjectivecomparativesuperlativefunnygoodhappyinterestinglargesmartthin.funnierfunniesthappierhappiestmore interestingmost interestinglargerlargestsmartersmartestthinnerthinnestbetterbestComplete the table完成书上的练习，自主检测。Ea

7、ch member of a group should read and spell the comparative and superlative of an adjective below. The group that can do it correctly and most quickly will be the winner! 1. light old healthy cheerful 2. safe thirsty slim bad 3. bright new much bored 4. sad heavy straight clearly Group competitionMil

8、lieSandyAmyPeterKittySimonHeight (cm)150160145168150158Weight (kg)444540494048Swimming(sec/50m)403830343632Drawing competition9/1010/105/105/106/108/10English test10/108/109/106/108/107/10Profile Simon is _ (tall) Kitty.Peter is _ (tall) student of the six students.Sandy is _ (heavy) Millie.Peter is

9、 _ (heavy) student of the six students.Millie is _ (slow) swimmer of the six students.taller thanthe tallestheavier thanthe heaviestthe slowestReport 6.Amy is _ (fast) swimmer of the six students.7. Millies drawing is _ (beautiful) Simons.Sandys drawing is _ (beautiful) in the drawing competition.Mi

10、llies English is _ (good) Amys. Millies English is _ (good).more beautiful thanthe most beautifulthe fastestbetter thanthe bestWhich would you like to talk about?animalsfood and drinkssportsOr maybe you would like to talk about the people in this classroom? Make up a dialogue to compare people or th

11、ings clever strong fast noisyexciting interesting dangerousdelicious sweet healthyhelpful smart generous humourousmuch+er er than the est of the three/ of all/ in ones .Which/ Who is er, A or B? Which/ Who is the est, A, B or C? Words, phrases and sentences you may use( ) 1. My mother is _ in our fa

12、mily. A.busiest B.the busiest C.busier D.busy( ) 2. This apple is _ of all. A.redder B.the redest C.the reddest D.reddest( ) 3.Which pen is _ , this one or that one? A.dear B.dearest C.the dearest D. dearer( ) 4. Kate is _ than all the other girls. She is _ of all. A.taller , tallest B. taller , the

13、 tallest C. the tallest , tallest D. tallest , the tallest( ) 5. _ of the two men is my uncle. A. The older B. Old C. The oldest D. Oldest BCDBAMultiple Choice格林先生是这四个人当中最高最胖的。 Mr Green is _ and _.2. 小香蕉往往比大香蕉好。 Small bananas are often _. 3. 我的铅笔比你的短得多。 My pencil is _.4. 在中国，哪一条河流最长？ Which river is

14、_ in China?5. 他的观点比我的新。 His idea is _.the tallestfattest of the fourbetter than big onesmuch shorter than yoursthe longestnewer than mineTranslation Good, better, best,Never let it rest,And till good is better,Better is best. !A Poem修饰原级： very, quite, so, such, much too, too2. 修饰比较级： much, far, even

15、, too much, a little, a bit3. 易混淆的两个句型： He is the tallest (tall) of the 3 students. He is the taller (tall) of the 2 students.4. 重要的句型转换： He is the tallest in our class. He is taller than anyone else in our class. any other student in our class. (all) the other students in our class.No one else is t

16、aller than him in our class. 5. 易混淆的： Wuhan is bigger than _ city in China. Wuhan is bigger than _ city in Jiangsu. A. all the other B. any C. other D. any other6. one of + the + 最高级 + 名词复数形式 Changjiang is one of the longest rivers in China.any otherany 用括号内所给形容词的正确形式填空。John is fifteen. Kate is four

17、teen. Lily is thirteen. John is _ (young). But he is _ (old) than Kate and Lily. Kate is _ (young) than John but _ (old) than Lily. Lily is _ (young) of all.Jacks mooncake is _ (nice) than Kates, but Sues mooncake is _(nice) than Jacks. Sues is _ (nice) of all.youngolderyoungerolderthe youngestnicer

18、nicerthe nicestOn the wall there is a picture. We can see the sun and the moon in it. The moon looks _ (big) than the sun in the picture. But in fact the sun is _ (big) than the moon. The moon is _ (small) than the sun.The red bag is _ (heavy), but the white bag is _ (heavy) than it. The yellow bag

19、is _ (heavy) than the white one. So the yellow one is _ (heavy) of the three. biggerbiggersmallerheavyheavierheavierthe heaviest改错My cat is more lazier than yours. He is the taller boy in my class. The girl is the prettier in my school. I like this book best than that one. Jane is the funnyest boy i

20、n our class. tallestprettiestbetterfunniest格林先生是这四个人当中最高最胖的。 Mr. Green is _ and _.2. 小香蕉往往比大香蕉好。 Small bananas are often _. 3. 我的画是绘画比赛中最美的。 My drawing is _.the tallestfattest of the fourbetter than big onesthe most beautiful in the drawing competitionTranslation My drawing is more beautiful than an

21、y other drawing in the drawing competition.My drawing is more beautiful than all the other drawings in the drawing competition. Comparatives(比较级)We use them to compare _ things/people and add _ after them.B. Superlatives(最高级) We use them to compare _ things/people andadd _ or _ before them.Read and

22、Learn!twothanthree or morethe ones Comparatives(比较级)比较级用于比较两个人/事物;比较级后通常出现”than”.B. Superlatives(最高级) 最高级通常用语比较三个或三个以上人/事物;最高级前要用the或ones连接比较级和最高级的用法比较级和最高级的构成￥1.50￥1.00￥0.80cheapcheapercheapestRule 1 :_ 单音节词或部分双音节词一般在词尾加-er或-est比较级和最高级的构成nicenicernicestRule 2: _以e结尾的词直接加-r或-st比较级和最高级的构成heavyheavier

23、heaviest50kg100kg200kgRule 3 :_ 以辅音字母+y结尾的双音节词,变y为i,再+er或+est比较级和最高级的构成bigbiggerbiggest50kgRule 4 :_ 一般情况下,以辅元辅结尾的形容词,要双写最后一个字母, 再+er或+est比较级和最高级的构成beautifulmore beautifulmost beautifulRule 5 :_ 多音节词和部分双音节词,在该形容词原形前加more或mostinteresting- more - most important - more - most dangerous- more - most car

24、eful /generous/ handsome* 一般情况下，以-ly或-ed结尾的adj.friendly / lovelytired以形容词+ly结尾的副词 比较级用more 最高级用mostslowly - more slowly - most slowly quickly - more quickly - most quickly carefully - more carefully most nicely more nicely most nicely quietly - more quietly most quietly比较级和最高级的构成Rule 6: 不规则变化good be

25、tter bestill/bad/badly worse worst many/much more most little less least far farther farthest further - furthestLets practise! AdjectiveComparative Superlative1. funny2. good3. happy4. interesting5. large6. smart7. thinfunnierfunniestbetterbesthappierhappiestmore interestingmost interestinglargerlar

26、gestsmartersmartestthinnerthinnestadj./adv.比较级用法1. 表一方超过另一方用“比较级 + than”2. 表一方随另一方变化而变化(越, 越): “the +比较级 (+主 +谓), the+比较级 (+主 +谓)” eg. 1) 越高越坏。 2) 越晚越危险。The higher, the worse.The later, the more dangerous.adj./adv.比较级用法3. 表本身程度变化(越来越):比较级+and +比较级eg. 1) 他的鞋子越来越脏。 2) 衣服越来越贵。 3) 她们跳得越来越美。His shoes are

27、 dirtier and dirtier.more +and more+原级 只用于以“more”构成比较级的词Clothes are more and more expensive.They dance more and more beautifully.adj./adv.比较级用法4. “the + 比较级 + of 两者” 表示“在两者中较”eg. Lily is _ (short) of the two girls.the shorter5. 为免重复，在than后常用one(s), that, those等词来替代前面提到过的名词。eg. The weather there is better than _ in Nanjing. A. one B. it C. that D. thoseadj./adv.比较级用法6. 在比较级前可用 much, even,a little, a lot等来修饰eg. Now the air in our hometown is _ than it was before. A. much better B. more worse C. more better