初中比较级最高级.docx

1、初中比较级最高级. 常见的形容词及比较级和最高级的构成（1）规则变化：单音节和部分双音节的形容词一般在词尾加-er 或 -est Eg: calm-calmer tall-taller smart-smarter以字母e结尾的直接在词尾加-r 或 -stEg: nice-nicer fine-finer large-larger以“辅音+y 结尾的词，变y为 i，再加-er” 或 -est Eg: early-earlier happy-happier busy-busier以重读闭音节的单个辅音字母结尾的词，双写辅音字母，再加-er 或-estEg:big-bigger-biggest th

2、in-thinner-thinnest hot-hotter-hottest fat-fatter-fattest多音节或部分双音节的形容词在原级前面加more 或 the most Eg: popular-more popular -the most popular important-more importantthe most important（2）特殊变化： 原级比较级最高级good/ wellbetterbestmany/ muchmoremostill/bad / badly（坏地）worseworstlittlelessleastoldolder（年龄）/ elder(辈份)o

3、ldest/ eldestfarfarther距离/ further（深奥的）farthest/ furthest. 形容词比较级的用法：表示两者（人或物）的比较。1表达“A大于B”用 A 比较级+than B . Tom比我胖。 Tom is fatter than me. 他的头发比我的短。His hair is shorter than mine. He has shorter hair than me. (注意比较对象的一致性). 英语比语文重要。English is more important than Chinese. 我来的比你晚。I come later than you.（

4、副词的比较级） Tom is _ (outgoing) than any other boy in his class.The short one is _ (expensive) than the long one. 这个故事不如那个有趣。This story is _ _ _ than that one. 2.表达“A和B一样”，用 A as 原级 as B 他和我一样高。 He is as tall as I/me. 英语比语文重要。English is as important as Chinese. 他的头发和我的头发一样长。His hair is as long as mine.

5、他学习和你一样努力。He works as hard as you. 3表达“A不如B”，用A not+as/so+原级+as+B。 这辆车不像那辆车一样贵。This car is not as expensive as that one. =This car is cheaper than that one.=That car is more expensive than this one.今天没有昨天暖和。Today is not as warm as yesterday. =Yesterday is warmer than today.他昨天来得没有我早。He didnt come as

6、 early as I (did) yesterday. =He came later than I yesterday.(同级和比较级的同义句转换)4比较级前可用much / a lot / far( 得多)，a little（稍微）, even（甚至）等表示程度He is much better today. Its much more expensive.He is very well today. Its too expensive This bag is _（重一点） than that one. Gold(黄金) is _ (much) useful than iron(铁). S

7、he looks _（老得多）than she does.5.在两者之间选择哪一个更，用比较级.Which /Who,A or B谁跑得快些，Lucy 还是Lily Who runs faster，Lucy or Lily6.如果在两者之间表示“最”时要在比较级前加the，而且还用of the two, of the pair短语： 约翰是两个男孩子中较聪明的一个。John is the cleverer of the two boys. =Of the two boys, John is the cleverer.这支手表是两个中比较便宜的。This watch is the cheaper

8、 of the two. 这本书是两本中比较薄的那本。The book is _(thin) of the two. Of the two toys,the child chose_. A. the more expensive one B. one most expensiveC. a least expensive D. the most expensive of them7.比较级前面可以加上表示具体数量差别的结构,表示具体“大多少”，“小多少”，“长多少”，“短多少”等。我比他大两岁。 I am two years older than he. 这个建筑比那个建筑高20米。This b

9、uilding is 20 meters taller than that one. “比较级 +and+ 比较级”表示“越来越” 天气越来越冷了。Its getting colder and colder.比赛越来越有趣。The game is getting more and more interesting.注意:多音节形容词用此句型时，要用more and more +形容词原级；而不能用more beautiful and more beautiful这个花园变得越来越美丽了.The garden is becoming _. （beautiful） “The+ 比较级，the+ 比

10、较级”表示“越，就越越多越好 The more the better.他越忙就越高兴。The busier he is, the happier he feels.他学得越多知道的越多。The more he learns, the more he knows.越急越慢（欲速则不达） ._ hurry, _speed. “用twice 等表示倍数的词+ as +原级as”表示甲是乙的几倍。 “用twice 等表示倍数的词+比较级than ”表示甲是乙的几倍。这间房是那间房面积的两倍。This room is twice as big as that one. =This room is twi

11、ce bigger than that one注意：在英语中，两倍用twice，而不用two times，三倍以上用three，fourtimes。 The earth is _ the moon. A. as 49 times big as B. 49 times as bigger as C. 49 times as big as . 形容词最高级的用法：1.表示三者或三者以上（人或物）的比较,其中有一个超过其他几个。形容词最高级前要加the，副词最高级前常省略the, 后面通常带of（in）短语来说明比较的范围（of 后的名词或代词表示与主语属同一类；in 表示时间或空间范围）。在我们班

12、上他最高。 He is the tallest in our class.玛丽是这三个学生中最小的。Mary is the youngest of the three students.2. 形容词最高级的前面常有the，my等形容词性物主代词，Chinas名词所有格，最高级前不加theThis is my busiest day. 这是我最忙的一天。Jack is my best friend. 杰克是吉姆最好的朋友The Changjiang River is Chinas longest river.长江是中国最长的河流。3 在which A ,B or C 句中，表示三者或三者以上比较

13、Which is the biggest, the sun, the moon or the earth太阳，月亮，地球，哪一个最大4. 形容词最高级表示“最.之一”时，可用“one of the+最高级+复数名词”Edison was one of the greatest inventors in the world.爱迪生是世界上最为大的发明家之一。5“the +序数词+最高级”表示“第几个最”； The Yellow River is the second longest river in China 黄河是中国第二长的河流。 I am the third tallest boy in

14、 my class.我是班里第三高的学生。6.比较级和最高级的同义句转换He is the tallest boy in his class. 他是班里最高的男孩。=He is taller than any other boy in his class. 他比班里其他任何一个男孩都要高。=He is taller than the other boys in his class. 他比班里其他的男孩们都要高。=He is taller than anyone else in his class. 他比班里任何一个人都要高。7.要注意对应句型，遵循前后一致的原则。That在比较级中的运用。 上海的人口比北京的人口多The population of Shanghai is larger than that of Beijing. 我们的教师比他们的明亮的多。Our classroom is brighter than _ A. them B their C theirs