小学英语形容词的比较级和最高级（课堂PPT）

1、1 23用来修饰动词、形容词、其它副词、用来修饰动词、形容词、其它副词、全句或名词词组及句子的词。全句或名词词组及句子的词。e.g. very, early, quickly, etc.He runs fast .Today is very hot.Please read it loudly.4用以修饰名词，表示事物的用以修饰名词，表示事物的特征特征的词。的词。e.g. long,tall, short，cheap, hungry, etc.一般来说，中文意思是“的”的词是形容词，而中文意思是“地”的词是副词。5形容词比较级用于两者（人或事物）之形容词比较级用于两者（人或事物）之间的比较，表示

2、其中一个比另一个间的比较，表示其中一个比另一个“更更”或或“较较”，后面用连词，后面用连词than连接连接另一个所比较的人或事物。例如：另一个所比较的人或事物。例如：1.That ruler is longer than this one.2.Mary is younger than me(I).“A + be +形容词比较级形容词比较级 + than + B” 意思为意思为“A比比B更更”6 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 * * 比较应在同类事物中进行比较应在同类事物中进行. .在比较级前面使用much，表示程度程度“强得多”。如：A wa

3、termelon is much bigger than an apple. very, quite一般只能修饰原级，不能修饰比较级。 7young-yonger-yongest old older -oldest tall-taller -tallest small-smaller -smallestearly-earlier-earliest thirsty-thirstier-thirstiest1. 一般情况下在形容词或副词后加一般情况下在形容词或副词后加-er（比较级） 或est（最高级） :2. 以字母以字母e结尾的形容词，加结尾的形容词，加-r 或或- st4. 以以“辅音字母辅

4、音字母y”结尾的形容词，先改结尾的形容词，先改“y”为为“i”，再加再加-er 或或-est.bigbigger -biggest fatfatter-fattest形容词比较级最高级规则形容词比较级最高级规则nice nicer-nicest safe safer -safest3. 重读闭音节词只有一个辅音字母时，应先双写辅音字母，重读闭音节词只有一个辅音字母时，应先双写辅音字母，再再 加加-er或或-est.85.5.部分双音节词或多音节词前面加部分双音节词或多音节词前面加more ,most.如:interesting more interesting most interesting

5、famous more famous most famous9原级比较级最高级good/well betterbestbad/illworseworstmanymuchmoremostlittlelessleastfarfarther/ further farthest/furthest oldolder/ elder oldest eldest两好、两好、两坏、两坏、两多、两多、 一少、一少、一远一远 、一老一老.10Read and compare :younglongfullshortsmalloldfineeasyhungryearlyheavybigredyounger younge

6、stlonger longestfuller fullest shorter shortestsmaller smallestolder oldest finer finesteasier easiesthungrier hungriest earlier earliestheavier heaviestbigger biggest redder reddest11healthymanyfamousexcitingcarefullywet hotlittlefewhealthier healthiestmore mostmore famous most famousmore exciting

7、most excitingmore carefully most carefullywetter wettesthotter hottestless leastfewer fewest12词词 尾尾 变变 化化原级原级比较比较级级最高最高级级单音节词在词尾加单音节词在词尾加-er(比较级比较级)或或-est(最高级最高级)以字母以字母e接尾的词加接尾的词加-r或或-sttall hard large wide以重读闭音节结尾的词末尾只有一以重读闭音节结尾的词末尾只有一个辅音字母应双写辅音字母再加个辅音字母应双写辅音字母再加er或或estbig hot thin fat wet 以辅音字母以辅音

8、字母+y结尾的词变为结尾的词变为i再加再加-er,或或-esthappy dry early narrow clever 多音节词和多数双音节词在其前面多音节词和多数双音节词在其前面加加more 和和most difficult popular slowlytaller harder larger wider tallest hardest largest widestbigger hotter fatter wetterbiggest hottest fattest wettest happier drier earlierhappiest driest earliestnarrower c

9、leverernarrowest cleverestmore difficult more popularmore slowly most difficult most popularmost slowly少数以少数以-er,-ow结尾的双音节结尾的双音节词可加词可加-er或或-est13原级原级goodwellbadillmanymuchlittlefarold比较级比较级最高级最高级better bestworseworstless more mostfarther/furtherolder/elderleast farthest/furthestoldest/eldest巧记：巧记：特殊

10、形式比较级特殊形式比较级共有三对二合一共有三对二合一坏病两多并两好坏病两多并两好little意思不是小意思不是小一分为二有两个一分为二有两个一是老来二是远一是老来二是远14.其其主要句型主要句型有：有：(1)A+be+比较级比较级+than+B e.g Mary is much younger than Sue.(2)(3)疑问句疑问句+动词动词+比较级比较级,AorB? e.g Who draws better ,Tom or Jim?(4) 比较级比较级+ and+比较级比较级，表示越来越，表示越来越e.g the days are getting shorter and shorter.

11、A + 行为动词行为动词 + 副比副比 + than + 物体物体B.Dogs run faster than goats.He studies better than me15形容词、副词的最高级形式主要用来表示三者或三者以上人或事物的比较，表示“最”的意思。句子中有表示范围的词或短语。如：of the three, in our class等等。如：He is the tallest in our class. 他在我们班里是最高的。161 1）A + am / are / is + the + A + am / are / is + the + 形最高级形最高级 + + 比较范围比较范围

12、（of + of + 人人/ /物，物，in +in +地方）地方）. .I am the tallest in the class.Pasta is the most delicious food of the three.2）A + 行为动词 + 副词最高级 + 比较范围（of + 人/物，in + 地方）. Dogs run fastest in the world. He studies best of us.173）.最高级 : 形容词的最高级要加定冠词the , 副词最高级可省略the, 主要句型有: the + 最高级 +ofinJim works hardest of us a

13、ll.My mother is the busiest in my familye.g4） 疑问词疑问词+ 动词动词+ 最高级最高级5) which like best, A, B or C?18 构 成 方 法原 级比 较 级最 高 级单音节词和少数双音节词一般在词尾加一般在词尾加-er /或或-est /ist/talltallertallestfastfasterfastest以字母以字母e结尾的形容词，结尾的形容词，加加-r 或或-stnicenicernicest以重读闭音节结尾且末以重读闭音节结尾且末尾只有一个辅音字母时尾只有一个辅音字母时，应先双写这个辅音字，应先双写这个辅音字母

14、；再加母；再加-es或或-estbigbiggerbiggestthinthinnerthinnest以以“辅音字母辅音字母+y”结尾结尾的词，先改的词，先改“y”为为“i”,再加再加-er或或-esteasyeasiereasiestearlyearlierearliest多音节词和部分双音节词在词前加在词前加more或或mostbeautifulmore beautifulmost beautifulinterestingmore interestingmost interesting19二、不规则形容词的比较级最高级二、不规则形容词的比较级最高级原 级比 较 级最 高 级good / w

15、ellbetterbestmany / muchmoremostlittlelessleastill / bad / badlyworseworstfarfarther / furtherfarthest / furthestoldolder / elderoldest / eldest20练 习1. tall _ _ 2. nice _ _ 3. strong _ _4. old _ _5. big _ _6. thin _ _7. heavy _ _8. beautiful _ _9. good _ _tallerstrongeroldertalleststrongesoldestbigg

16、erbiggestthinnerthinnesnicernicestheavierheaviestmore beautiful most beautifulbetterbest21形容词和副词的比较级和最高级构成：形容词和副词的比较级和最高级构成： 规则规则变化变化1单音节词在词尾加单音节词在词尾加-er比较级，比较级， 加加-est最最高级。高级。原级原级 比较级比较级 最高级最高级bright brighter brightestyoung younger youngestlong longer longest 222.以字母以字母e 结尾的词只加结尾的词只加-r或或- st构成比较构成比

17、较级和最高级。级和最高级。nice nicer nicestfine finer finestwhite whiter whitest 3.重读闭音节以一个辅音字母结尾的，应先重读闭音节以一个辅音字母结尾的，应先双写辅音字母，再加双写辅音字母，再加-er 或或-est.big bigger biggest234.以辅音字母加以辅音字母加-y 结尾的词，先把结尾的词，先把-y变为变为 I， 再加再加-er -est.easy easier easiest5.部分双音节词和多音节词分别在原级前部分双音节词和多音节词分别在原级前加加more构成比较级和构成比较级和most构成最高级，构成最高级，eg

18、. slowly-more slowly-most slowly；beautiful-more beautiful-most beautiful24不规则变化不规则变化:个别形容词的比较级和最高级是不规则变化，个别形容词的比较级和最高级是不规则变化，需个别记忆。需个别记忆。e.g. good (well) better bestbad (badly, ill) worse worstmany (much) more mostlittle less leastfar father/further farthest/furthest 25改错：1.Im than you.2.He is than

19、me.3.Youre in our school.4.Who is , you or me ?5.She is in her family.tallyounggershortestfat thinest26选择填空选择填空1. Which does Jimmy like ,Chinese or Art? A. well B. best C. better D. much2. The Chang jiang River is one of in the world.the longest river B. longest rivers C. the longest rivers D. longe

20、r rivers3. of the two women is Mrs Brown. A. The beautiful B. The more beautiful C.More beautiful D. The most beautiful4. My mooncake is nicer his. A. like B. with C. for D. than 5. You are fatter than . A. he B. his C. him D. he is tall6. My hair is longer than . A. my sister B. Kate C. my brothers

21、 D. LucysCCBDAC2716.Mother is in my family. A. busy B. busier C. the busiest D. more busy18.The dumplings are than the noodles,I think. A. more nicer B. much delicious C. very nice D. much more delicious19.She is than me at drawings. A. better B. best C. good D. harder 20.-This blue sweater is too b

22、ig for me .-Will you please show me a one? A. small B. smaller C. the smallest D. smallestCDAB28改错改错 Lesson 9 is more easier than Lesson 10. My mother is younger than your. He is one of tallest boys in his class. Betty is the youngest on the three girls. Mother is the busiest of my family. Jim is sh

23、orter of the two boys.youthe tallestofthe shorterin29一1. My school is _, but Toms school is _than mine. (small)2. Rabbits can run _, but tigers can run _ than rabbits. (fast) 3.Pig is _, but elephant is _than pig .(heavy)4. Im _, but she is _ than me. (beautiful) 5. Every day is _. But today is _ th

24、an before. (busy) 6My brother is two years _ (old) than me.7. Is your sister _(young) than you? Yes,she is.8. Who is _(thin), you or Helen? Helen is.smallfastfasterheavierheavymore beautifulbeautifulbusierbusyolderyoungerthinnersmaller309. Whose pencil-box is _ (big), yours or hers? Hers is.10Ben ju

25、mps _ (high) than some of the boys in his class. 11Does Nancy sing _(well) than Helen? Yes, she does. 12My eyes are _(big) than hers. 13Which is _(heavy), the elephant or the pig? 14Who gets up _ (early), Tim or Tom? 15Do the girls get up _ (early) than the boys? No, they_.16Jim runs _ (slow). But B

26、en runs _(slow).biggerhigherbetterbiggerheavierearlierearlierdontslowslower31二、根据句意写出所缺的单词(1) Im 12 years old. Youre 14. Im _than you.(2) A rabbits tail is _than a monkeys tail.(3) An elephant is _ than a pig.(4) A lake is_ than a sea.(5) A basketball is _ than a ping-pong.oldershorterheaviersmallerbigger32以How开头的问句（仅限小学阶段）： How are you? How old? How tall? How long? How big? How heavy? How many? How much? 问身体状况。问年龄问身高问长度问大