比较级知识点
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adj的比较级和最高级的用法 *形容词比较级和最高级的构成 1.规则形式 构成方法 +er/ +est 原极 比较级 最高级 quiet-quieter-quietest bright-brighter-brightest clever-cleverer-cleverest cold-colder-coldest, clean 不发音e结尾， fine--finer--finest nice--nicer--nicest 加+ r/ +st close--closer--closest white--whiter--whitest large--larger--largest cute-cuter-cutest 单音节词和少数双音节词 重读闭音节单词，双写结尾辅音字母，再加-er，-est 辅音字母+y结尾的词，改y为i，再加er/est。 多音节词和部分双音节词 词前加more和most. hot--hotter--hottest wet--wetter--wettest fat-fatter-fattest thin--thinner--thinnest big--bigger--biggest slim-slimmer-slimmest sad--sadder--saddest red--redder—reddest mad-madder easy--easier--easiest heavy tidy empty busy sunny dry cloudy snowy rainy windy tasty funny happy lucky healthy friendly early, pretty, happy lazy early beautiful-more beautiful-the most beautiful interesting, delicious, careful, exciting, important necessary difficult 2. 不规则形式 good /well－better－best(两)好 bad /badly/ill－worse－worst 坏/病 many /much－more－most(两)多 little－less－least few－fewer－fewest 少 far farther－farthest (距离远） old older－oldest （年长的） 远 further－furthest （程度深） 老 elder－eldest （资格老的 *形容词比较级和最高级的用法 1. 表示同级比较，用“as+形容词原形＋as”; “not as(so)+形容词原形＋as” 2. 表示两者的比较，用“形容词的比较级＋than....” There are fewer hours of sunlight in winter than in summer. He is slimmer than I . She plays ping-pong better than I (do). （与主句相同的部分通常省略） 3. 表示两者中较/更…的一个，用the+ 比较级，而且还用of the two, of the pair短语： John is the cleverer of the two boys. Of the two boys, John is the cleverer. The larger one of the two is my hometown. I have two sons, the fatter one is Max. 4.比较级前用much, far, a lot, a bit, a little ,even, still, any来修饰。表“..得多”,“甚至...”,“...一些”。” This room is much brighter than that one. I’m spending a lot more time on English than before. 5.倍数的表示，倍数＋as+ adj原形+as… Beijing is ten times as big as my hometown. This room is twice as big as mine. 6. 用“比较级+and+比较级”的结构，译为“越来越…” The weather is getting colder and colder. The city is becoming more and more beautiful. 1 7. 用“the+比较级，the +比较级”的结构，译为“越…(就)越… =if 从句 The higher the ground, the cooler the air. The more , the better The harder you work, the more successful you will be 8. 前后比较对象要一致. My news is more exciting than yours The climate of Kunming is better than that of Beijing.（√） The population of Shanghai is larger than that of Tianjin. 比较对象是可数复数...than those/the ones... 可数单数.... than that / the one..... 不可数名词 ....than that 9.两者之间选择比较，用 Which is + 比较级,A or B ? eg:Which is heavier, an elephant or a pig? 10. 表示两者以上的比较，用“the+形容词最高级....＋of (in, among…)...”或(that) I have ever done/seen This is the happiest day in my life. Mary is the best singer in our class. This is the most difficult homework (that) I have ever done. in+团体/范围/项目。如in China, in the world., in my class,in the competition among/of+参加比较的对象, 即个体名词复数形式。of/among them(three) Of all the movies, I think this is the worst. Among them, Changsha is the nearest city to Guangzhou. 11. the +adj最高级，有my/Tom’s等时，省略the. his ninth/ happiest birthday Tom’s best friend 12. “one of the+最高级” 表示“最…之一”，形容词后的名词用复数形式。 Mr. Green is one of the most popular teachers in our school. 13. The+序数词+最高级：“第几最.....” Huanghe River is the second longest river in China. He is the third tallest boy in Class One. 14. a/an+最高级, 表示“非常”的意思 It is a most important question. 16.用比较级表示最高级。 同一范围用：than any other +n的单数； than the other +n复数 He is taller than any other student in his class He is taller than the other students in his class. =He is the tallest student in his class. He is tall than any of the other students in...... 不是同一范围时找无other的选项 Shanghai is bigger than any other city in China. Shanghai is bigger than any city in Japan 17．less/least+adj A is less careful than B------B is more careful than A A is less expensive than B-----A is cheaper than B-----B is more expensive than A. 2 本文来源：https://www.wddqw.com/doc/1c78777f3069a45177232f60ddccda38376be12a.html