小学英语形容词比较级最高级讲解.doc

形容词的比较级和最高级A. 按规则变化构成原级比较级最高级一般词尾加-er, -esttalllongoldsmalltallerlongeroldersmallertallestlongestoldestsmallest以字母e结尾的形容词或副词, 直接加-r, -stnicefinelargenicerfinerlargernicestfinestlargest以重读闭音节结尾的形容词或副词,如末尾只有一个辅音字母,双写该字母,再加-er,-estbighotfatthinbiggerhotterfatterthinnerbiggesthottestfattestthinnest以“辅音字母+y”结尾的形容词或副词，把y变为i，再加-er,-estheavybusyearlyeasyheavierbusierearliereasierheaviestbusiestearliesteasiest 单音节和少数双音节单词 部分双音节与多音节的词比较级在原级之前加more, 最高级在原级之前加most beautiful-more beautiful-most beautifulinteresting-difficult- B. 不规则变化的形容词: 原级比较级最高级little / fewlessleastgoodbetterbestbadworseworstfarfurtherfurthest用法：as+原级+as Im as tall as you. be+比较级+than Bob is taller than John. be+最高级+of/in（范围） John is the tallest of the three. （最高级一定要加the） John is the tallest in his class. 巩固练习：(一) 写出以下各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 _ 8. ill _9. little _ 10. bad _11. thin _ 12. far _13. early _ 14. careful_15. exciting _ 16. busy _(二) 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)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 _ than all the others. (honest)12. Things are getting _ and _. (bad)13. The higher you climb, the _ it will be. (cold)14. Now his life is becoming _ and _. (difficult)（三）用适当形式填空：1. Bob is _( young ) than Fred but _ (tall) than Fred. 2. Almost all the students faces are the same, but Li Ming looks _ (fat) than before after the summer holidays. 3. Which is _(heavy), a duck or a chicken?4. Im _(good) of all. 5. - How _ (tall) is Sally? - She s 1.55 meters _(tall). - What about Xiao Ling?- She s only 1.40 meters _(tall). She is much _(short) than Sally. She is also the _ (short) girl in the class. 6. He is _ (bad) at learning math. He is much _ (bad) at Chinese and he is the _ (bad) at English. 7. Annie says Sally is the _ (kind) person in the world. 8. He is one of the_(friendly) people in the class, I think. 9. A dictionary is much _ (expensive) than a story-book.10. An orange is a little _ (big) than an apple, but much _ (small) than awatermelon.11. The Changjiang River is the _ (long) river in China.12. Sue is a little _ (beautiful) than her sister.