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1、形容词和副词的比较级加er、最高级加est的规则：一般在词尾加er/est，e.g. tall taller/tallest fast faster/fastest以字母e 结尾，加r/st，nice nicer/nicest wide wider/widest以一个元音字母和一个辅音字母结尾，应双写末尾的辅音字母，再加er/est，E.g. hot hotter/hottest fat fatter/fattest以辅音字母+y结尾，先把y变i，再加er/est，E.g. easy easier/easiest heavy heavier/heaviest(5)多音节形容词的比较级在前面加m
2、ore、最高级在前面加the most、most。E.g. beautiful more beautiful/the most beautiful interesting more interesting/the most interesting useful more useful/ the most useful（6）不规则变化：good/well better/best bad/badly worse/worst far farther/farthest many/much more/most little less/least练习：写出下列形容词或副词的比较级和最高级old young
3、 tall long short strong big small fat thin heavy light nice good beautiful low high slow fast late early far well fantastic badly large cold warm hot cool new clever 形容词的比较级一、形容词比较级在句子中的运用：两个事物或人的比较用比较级，比较级后面一般带有单词than。than后的人称代词用主格（口语中可用宾格）。e.g. 1. Sam is tall. Amy is taller than he. (Sam是高的。Amy比他高
4、。) 2. Eve is old. Simon is older than she.( Eve是大的。 Simon比她还大。) 3. I am thin. Laura is thinner than I. ( 我是瘦的。Laura比我还瘦。) 4. We are hungry. They are hungrier than we.(我们饿了。他们比我们还饿。) 5. Picture 1 is good. Picture 2 is better than picture 1. (图片1好。图片2比图片1还好。)6. I have got many postcards. Lingling has
5、got more postcards than I (have got). (我有许多明信片。玲玲拥有的明信片比我拥有的多。) 7. Amy is beautiful. Laura is more beautiful than Amy. (Amy是漂亮的。 Laura比Amy还漂亮。) 8. Who is stronger, Simon or Daming?( Simon和Daming谁更强壮？)练习一：根据句意填入单词的正确形式：1. My brother is two years _(old)than me. 2. Is your sister _(young) than you? Yes
6、, she is.3. Who is _(thin),you or Helen? Helen is. 4. Whose pencil-box is _(big),yours or hers? Hers is.5.Ben _(jump) _ (high) than some of the boys in his class.6._Nancy sing _ (well) than Helen? 7.My eyes are _(big) than_ (she).8.Which is _(heavy), the elephant or the pig? 9.Who gets up _(early),T
7、im or Tom?10._the girls get up_(early) than the boys? No, they _.二、比较级前面可以用more, a little等来修饰表示程度。e.g. 1. I am busy. But Tom is more busier than I.(我忙。但是Tom比我忙得多。) 2. Australia is large. China is more larger than Australia. (澳大利亚是大的。中国比澳大利亚大得多。) 3. You are short. But I think Max is a little shorter
8、than you.(你是矮的。但是我认为Max比你还矮一点。) 4. Lingling is cute. But Laura is a little cuter than she.(玲玲是可爱的。但是Laura有点比她可爱。)三、可以用“as+原级+as”来表示两个人或事物一样。e.g. 1. Today is as warm as yesterday.(今天和昨天一样暖和。) 2. Is there a mountain as high as Mount Qomalangma?(有没有一座山像珠峰一样高？) 3. Is there an animal as clever as a monke
9、y?(有没有一个动物像猴子一样聪明？) 4. Amy is as naughty as her sister.( Amy像她妹妹一样淘气。) 5. Which city is as famous as San Francisco?(哪个城市像旧金山一样著名？) 6. Which wall is as long as the Great Wall?(那一面墙像长城一样长？) 7. Whose book is as dirty as yours?(谁的书像你的这么脏？) 练习三：根据句意填入单词的正确形式： 1. Tom is as _(fat) as Jim.2. Is Marys hair a
10、s _(long) as Lucys？ Yes, she _.3. Fangfang is not as_(tall) as the other girls.4. The child doesnt_(write) as _(fast) as the students.比较级和最高级练习写出下列单词的最高级1. hot_ 2.new_ 3. clean_4. high_ 5. heavy_ 6.cold_ 7. bad_ 8. little_写出下列形容词的比较级和最高级1. nice _ 2. fat _3. slow _ 4. dry _5. happy _ 6. wet _7. much
11、_ 8. ill _9. little _ 10. bad _11. thin _ 12. far _13. early _ 14. careful_15. exciting _ 16. busy _17. old_ 18. thin _19. many_ 20. delicious_根据句意，用所括号内所级形容词的比较等级形式填空：1. Mr. Smith is _ man in this office. (rich)2. Winter is _ season of the years. (cold)3. This radio is not so _ as that one. (cheap)
12、4. It is much _ today than yesterday. (hot)5. She is a little _ than her classmates. (careful)6. _ people came to the meeting than last time. (many)7. Which book is _, this one or that one? (easy)8. My room is _ than yours. (small)9. Hainan is _ from Beijing than Hunan. (far)10. Skating is _ than swimming. (exciting)11. Jim is _
