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1、新目标八年级英语形容词比较级最高级专题练习形容词和副词比较级、最高级 (一)1.形容词，副词比较级和最高级的概念。形容词和副词可以靠改变形式来表示程度的不同。我们把这种变化形式叫做比较等级。要比较两个或两个以上的人或物时，就必须用形容词的比较级和最高级。形容词、副词有三个级：原级(Positive Degree)，比较级(Comparative Degree)和最高级(Superlative Degree)。2.形容词比较级和最高级的构成。单音节和少数双音节形容词、副词的规则变化情况：a.在原级的词尾加-er变为比较级，加-est变为最高级。e.g.short(原级)-shorter(比较级)
2、-shortest(最高级)long(原级)-longer(比较级)-longest(最高级)b.如原级以e结尾，则比较级只加-r，最高级只加-st。e.g.large-larger-largestnice-nicer-nicestc.如原级以“辅音字母+y”结尾，要将y改为i，再加-er，-est。e.g.busy-busier-busiesteasy-easier-easiestd.原级以重读闭音节结尾，而且末尾只有一个辅音字母(不含字母组合er等)，要双写这个辅音字母，再加-er，-est。e.g.fat-fatter-fattestbig-bigger-biggest大多数双音节和多音
3、节形容词、副词的规则变化，是在原级前加more变成比较级，加most变成最高级。e.g.beautiful(原级)-more beautiful(比较级)-most beautiful(最高级)interesting(原级)-more interesting(比较级)-most interesting(最高级)有少数形容词,副词的比较级和最高级是不规则的。这些单词的变法需要大家识记。e.g.good-better-bestbadworseworstillmanymoremostlittle-less-leastmuchfartherfarthestolderoldestfaroldfurthe
4、rfurthesteldereldest要注意有几个形容词的比较级和最高级有两种不同的形式，它们的意思也不同。e.g.old-older较旧，较老-oldest最旧，最老/old-elder较年长-eldest最年长far-farther较远-farthest最远(指距离)/far-further进一步-furthest最深(指程度)3.形容词比较级的用法和相关句型。表示两者“相等”用“as+形容词原级+as+比较对象”。e.g.He is as tall as his motherEnglish is as interesting as math.表示“不如”或“不相等”用“not +ass
5、o+形容词原级+as+比较对象”。e.g.It is not soas cold today as yesterdayJack is not so/as tall as Tom.表示倍数，如“一半两倍/3倍4倍”等用“halftwicethreefourtimes +asas”结构。e.g.I study twice as hard as youThis room is three times as large as that one.用“形容词比较级+than引导的从句”进行两者的比较。e.g.The earth is bigger than the moonThis dress is mo
6、re expensive than that one.强调比较级超出比较程度时，形容词的比较级前可用much，far，a lot，still，no，a little，even，any,等状语来修饰。e.g.My brother is much older than I.This bike is far better than that one.由and连接同一个形容词的两个比较级，可以表示“越来越”。e.g.Im getting fatter and fatterI think English is becoming more and more difficult.用“the+比较级+the+
7、比较级”，表示“越就越”。e.g.The more you read，the more knowledge you will getThe less junk food you eat, the healthier you feel.一写出下列形容词的比较级和最高级形式1. small2. high3. nice4. wide5. heavy6. early7. hot8. big9. low10. slowly11. expensive12. difficult13. many/ much14. old15. little16. far17. good/ well18. bad/ badly
8、19. beautiful20. clever21. awful22. cheap23. clean24. cold25. colorful26. cool27. crowded28. dangerous29. delicious30. dirty31. fantastic32. friendly33. hard34. hungry35. late36. lazy37. quiet38. smart39. tall40. thin41. ugly43. few二用所给词的适当形式填空。1. Mary is, but Jane is. Jane isthan Mary. Caroline is
9、very. She is thein the class. (tall)2. Janes handwriting is, but Marys is . Carolines handwriting is very. It is thehandwriting I have ever seen. (bad)3. The three girls have photos of film stars. Mary hasntphotos, but Jane has. Jane hasphotos than Mary. Caroline has thephotos of the three. (many)4.
10、 Marys Chinese is not very. Janes is. Carolines Chinese is the. (good)5. Last week the three girls boughtdresses. Carolines dress wasthan Janes. But Marys dress was the. (expensive)6. Mary works in a hospital. She is. Jane works in a school. She isthan Mary. Caroline works in a company. She always works day and night. She is theof all. (busy)7. Janes bedroom is very. Carolines bedroom isthan Janes. Marys is theof the three. (large)8. Carolines mother is very. Janes mother isthan
