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1、1.1.一般在词尾加一般在词尾加-er-er、est est 2.2.以字母以字母e e结尾的形容词，加结尾的形容词，加-r,st-r,st3.3.以一个辅音字母结尾的重读闭音节，以一个辅音字母结尾的重读闭音节， 应先双写辅音字母，再加应先双写辅音字母，再加-er,est-er,est4.4.以以“辅音字母辅音字母+y+y”结尾的单音节和部分双音节结尾的单音节和部分双音节 词，先改词，先改“y y”为为“i i”, ,再加再加-er,est-er,est5.5.多音节词和部分双音节词，在词前加多音节词和部分双音节词，在词前加more,mostmore,most不规则变化不规则变化good/we
2、llbad/badly/illmany/muchLittlefarold比较级和最高级比较级和最高级better-bestworse-worstmore-mostless-leastfarther/further-farthest/furthestolder/elderoldest/oldest“好、坏好、坏”有有“多、少多、少”，一个一个就很好就很好“老、远老、远”不同意，不同意，两个两个才最好才最好high_tall_short_ fine_late_ nice_ big_thin_fat_easy_funny_early_beautiful_ interesting_ little_mu
3、ch_ higherhighesttallertallestshorter shortestfinerfinestlaterlatestnicernicestbiggerbiggestthinnerthinnestfatterfattesteasiereasiestfunnierfunniestearlierearliermore - most -more -most -lessleast moremost1. Bob is a little_(fat) than Paul.2. Lily is _ girl in our class.(beautiful)3. Dave is even _(
4、short) than Sam.4. Of all the girls, Lucy is _. (slim)5. She is a lot _(older) than her sister.6. Lucy is much_ than her sister. (careful)7. Mary sings far_(badly) than anyone else in her class.8. He is very _ (funny)9. A truck is much _ (big) than a car. 10. Millie is quite _ (happy) today.fattersh
5、orterthemostbeautifultheslimmestoldermorecarefulworsefunnybiggerhappy1. Bob is a little_(fat) than Paul.2. Lily is _ girl in our class.(beautiful)3. Dave is even _(short) than Sam.4. Of all the girls, Lucy is _. (slim)5. She is a lot _(older) than her sister.6. Lucy is a bit_ than her sister. (caref
6、ul)7. Mary sings far_(badly) than anyone else in her class.8. He is very _ (funny), 9. A truck is much _ (big) than a car. 10. Millie is quite _ (happy) today.fattershorterthemostbeautifultheslimmestoldermorecarefulworsefunnybiggerhappy比较级的用法比较级的用法:1.用于两者之间的比较用于两者之间的比较than2. 在比较级的前面有时可以用表程度的词来在比较级的前
7、面有时可以用表程度的词来修饰，如：修饰，如：much,better.记忆顺口溜记忆顺口溜:两多两多(much,alot),两少两少(alittle,abit),even,far.3.very,quite,so,really只能修饰原形，不能只能修饰原形，不能修饰比较级。修饰比较级。 比较级的其它用法比较级的其它用法1. The weather is getting hotter and hotter.2. The older he grows，the more he knows.3. Bob is the taller of the two boys 比较级比较级and 比较级比较级The +
8、比较级比较级the +比较级比较级 两者中较两者中较 the +比较级比较级+ofOur school is better and betterThe more, the better.The higher, the worse.eg. Lily is _ (short) of the two girls.the shorter4.Millie is more and more beautiful.仅限于多音节的比较级仅限于多音节的比较级She is more and more careful than before.最高级用法最高级用法1.三者或以上相比三者或以上相比, 表示最高程度用表示最
9、高程度用 “the + 最高级最高级”*最高级后常有介词短语最高级后常有介词短语(of/among/in )Of among 表示在同一范畴内表示在同一范畴内in表示范围，通常地点比较多表示范围，通常地点比较多He is the tallest of the three students.Mr Green is the most popular among the teachers.Jim is the funniest boy in our class.Nanjing is the biggest city in Jiangsu,最高级用法最高级用法2. one of +the +最高级最高
10、级+复数名词复数名词表示表示“最最之一之一”eg. The hair clip is one of _ (pretty) among those ones. He was one of _(fast) _(swim) of all.the prettiestthe fastestswimmers Changjiang is _ _ _ river in China.3. the second/third/fourth+最高级最高级表示表示“第几第几”eg. Millie is the third _(tall) in her class. tallestthesecond longest比较级
11、和最高级的转换比较级和最高级的转换1. Shanghai is the largest city in China. Shanghai is larger than any other city in China. Shanghai is larger than the other cities in China.比较：比较： Shanghai is larger than any city in Jiangsu. Shanghai is larger than any other city in Jiangsu. 1. Which is _ , a bicycle or a computer
12、? A.expensive B. more expensive C. the most expensive2. The Yellow River is one of _rivers in China. A long B longer C the longest3.She is the_ of the twins. A. tall B. taller C. tallest 4. -Which is _ season in Beijing?-I think its autumn. A. goodB. betterC. best D. the best5I study English as_as m
13、y brother. A. hard B. harder C. hardest6. Lily isnt _ her sister Lucy. A. quieter than B. as quieter as C. so quiet as7.The weather gets _. A. more and more warmer B. warmer and warmer C. more warmer and more warmer8. _ you work, _ your grades will be. A. The harder, the better B. The hard, the good9.He can do the job better with _ time and _ people. A. fewer, less B. less, fewer C. less, less D. fewer, fewer10.Shanghai is bigger than _ in Japan. A. any other city B. any other cities C. any city D. any cities
