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1、比较级，最高级的构成比较级，最高级的构成 比较级比较级 最高级最高级 例词例词 单音节单音节 long 双音节双音节 - er - est small（非（非-ly, -ful） heavy 双音节双音节 careful（-ly, -ful） more+原形原形 most +原形原形 slowly 多音节多音节 expensive interesting1. 1.单音节和部分多音节单音节和部分多音节 1 1）在词尾后直接加-er/est tall taller tallest tall taller tallest 2 2）词尾是词尾是e e，只加，只加 -r/st-r/st nice nic
2、er nicest nice nicer nicest 3 3）以辅音字母加以辅音字母加y y结尾的，把结尾的，把y y变变i i 再加再加-er/est-er/est happy happier happiest happy happier happiest 4 4）重读闭音节，末尾只有一个辅音字母，双写这个辅重读闭音节，末尾只有一个辅音字母，双写这个辅音字母，再加音字母，再加 -er/est-er/est thin thinner thinnest thin thinner thinnest 2. 2. 其他双音节词或多音节词其他双音节词或多音节词, ,在该词前面加在该词前面加-more/
3、most -more/most beautifulmore beautiful(the) most beautiful beautifulmore beautiful(the) most beautiful hothotbeautifulbeautifulnewnewheavyheavyimportantimportantcheapcheaptinytinybigbigfinefine给出下列词的比较级和最高级给出下列词的比较级和最高级hotter-hottestmore beautiful most beautifulnewer-newestheavier-heaviestmore impo
4、rtantmost importantcheaper-cheapesttinier-tinestbigger-biggestbetter-best拓展拓展 1. A is + adj.+er +than B .(两者）两者） Jim is taller than Mike. 2. 比较级前面可以有比较级前面可以有much,a little, a lot, even等修等修饰语饰语 Jim is much taller than Mike. 3.数量数量+比较级比较级+than Jim is 10cm taller than Mike. 4.比较级比较级+比较级，表示比较级，表示 “越来越越来越
5、” hotter and hotter more and more beautiful 5. the+比较级，比较级，the+比较级比较级 表示表示 “越越就越就越” The harder you work, the better you will be. 1. A is the adj.+est of / in .（三者或三者以上）（三者或三者以上） Jim is the tallest boy in Class 3. = Jim is taller than the other boys in Class 3. = Jim is taller than any other boy in C
6、lass 3. 2. the + 序数词序数词 + 形容词最高级形容词最高级 + 名词名词 + in/of 表示表示“第几最第几最” Mike is the second tallest boy in Class 3. 3. one of + the+形容词最高级形容词最高级+名词复数名词复数+in/of 表示表示“最最之一之一” Jim is one of the tallest boys in Class 3.拓展拓展 倍数倍数+比较级比较级+than.比比多多(重重,大大)倍倍 1.A plane can fly ten times faster than a train. 2.Our
7、school is three times larger than theirs.be+倍数+比较级+than 1.这条鱼比那条鱼重这条鱼比那条鱼重3倍倍。 This fish is 3 times heavier than that one. 2.黄金比银贵黄金比银贵10倍。倍。 Gold is 10 times more expensive than silver.As well as.也 1. He likes Chinese as well as maths. 2. His parents, as well as he, _going to the party. 3.He, as we
8、ll as his parents,_ going to the party.isare原级原级比较级比较级最高级最高级good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarfartherfarthestfurtherfurthestoldolderoldesteldereldest1. The air in Beijing is getting much _ now than a few years ago. A. clean B. cleaner C. cleanest D. the cleanes
9、t 2. John is _friend of all the classmates. A. good B. better C. best D. the best 3. Beijing is one of _ cities in China. A. very beautiful B. much beautiful C. more beautiful D. the most beautiful 4. The Yellow River isnt so _as the Changjiang River. A. long B. longest C. longer D. the longest 5. Who is _, Jim, Li Lei or Ling Feng? A. tall B. taller C. the tallest D. much tallerBDBAC