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1、1一、形容词、副词比较级和最高级的构成：1. 单音节词和少数双音节词比较级和最高级的规则变化：规则原级比较级最高级1.在词尾后直接加-er/esttalltallertallest2.词尾是 e，只加-r/stnicenicernicest3.以辅音字母加 y 结尾的，把 y 变 i 再加-er/esthappyhappierhappiest4.重读闭音节，末尾只有一个辅音字母，双写这个辅音字母，再加-er/estthinthinnerthinnest2. 其他双音节词或多音节词,在该词前面加-more/mostbeautifulmore beautiful(the) most beautif
2、ul3. 由形容词加 ly 构成的双音节词和多音节词,都是在该词前加-more/most.quicklymore quickly(the) most quicklydifficultlymore difficultly(the) most difficultly4. 不规则变化:good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastFarther ：实际距离farthesttfarFurther：（更近一层，一步）furthestOlder（年龄，新旧，血缘）oldest old Elder:年长的（只指血缘
3、上）eldest二形容词比较级和最高级的用法：（一）原级的用法:1 表达“A 和 B 一样”，用 asas 的结构。公式: A+be 动词+as+形容词原级+as+B A+实义动词+as+副词原级+as+BI am as tall as you.我和你一样高。 2He runs as fast as I. 他跑得和我一样快。2表达“A 不如 B”用 not as/soas 的结构。公式: A+be 动词的否定形式+as+形容词原级+as+BA+助词的否定形式+动词+as+形容词原级+as+BI am not as tall as you.我没有你高。 He doesnt run as fast
4、 as I. 他没有我跑得快。（二）比较级的用法: 1.A+系动词+形容词比较级+than+ BA+实意动词+副词比较级+than+BHis brother is younger than me.He runs faster than I. 形容词比较级前还可以用形容词比较级前还可以用 much, even, still, a little，far, a lot, a bit, much more 来修饰。来修饰。Very, so, too, quite 不能修饰比较级，只能修饰原级2.比较级+and+比较级，表示“越来越”The earth is getting warmer and war
5、mer.China becomes more and more stronger.3.the +比较级，the +比较级结构，表示“越就越”The more I study it, the more I like it.4. 在含有 or 的选择疑问句中，如果有两者供选择，前面的形容词要用比较级形式;如果有三者供选择，要用最高级。Who is taller,Tim or Tom?5.倍数的三种用法：A+系动词+倍数+比较级+than+其他A+系动词+倍数+the+n+of+其他A+系动词+倍数+as+形容词或副词原形+as+其他(三)最高级用法：用于三者及以上的人或事物的比较,最高级前加最高级
6、前加 the，最高级前有物主代词，序数词和名有物主代词，序数词和名词所有格时，不加定冠词词所有格时，不加定冠词，后面跟带跟带 in 或或 of 表范围的短语表范围的短语; 副词最高级前一般有一般有 the，也可省略。He works (the) hardest of all the students in the class.1最高级的用法主语+be 动词+the +形容词最高级+（名词）+范围（in/of）3主语+实义动词+（the） +副词的最高级+范围（in/of ）He is the tallest (student) in our class. He jumps the highes
7、t of the three boys.2. 表示“最的中一个”，用“one of +the +最高级最高级+复数名词复数名词”的结构的结构。He is one of the best students in our class.他是我们班最好的学生之一。 Shanghai is one of the most beautiful cities in China.Our city is one of the safest cities in the world.专题训练一专题训练一一单选1. The air in Beijing is getting much now than a few y
8、ears ago.A. clean B. cleaner C. cleanest D. the cleanest2. is your grandpa, Emma?Hes watering the flowers in the garden.A. When B. What C. Where D. How3. Nowadays science fiction isnt as as cartoons among teenagers.A. popular B. more popular C. less popular D. the most popular4. We are glad to see t
9、hat Shanghai is developing these years than ever before.A. quickly B. less quickly C. more quickly D. the most quickly5. The cheese cake tasted so that the kids asked for more.A. delicious B. well C. bad D. badly6. She looks very . I think she needs to have a rest.A. tired B. hard C. well D. hardly7
10、. do you play computer games?Once a week.A. How soon B. How often C. How long D. How many8. The population of Tianjin is than that of Shanghai.A. larger B. less C. smaller D. fewer9. Its raining . We have to stay at home instead of going fishing.A. badly B. hardly C. heavily D. strongly10. Can you g
11、ive a hand with this table? I want to move it.Sure. are you going to put it?A. Why B. How C. Where D. When411. Guo Yue did quite at the World Table Tennis Championship, but Zhang Yining did even .A. better, well B. well, well C. well, better D. better, better12. Tom is six and he is his sister Jane.
12、 How old is Jane?Three.A. twice as old as B. two years older than C. three years younger than D. as old as13. Remember, boys and girls. you work, result you will get.We know, Miss Gao.A. The better, the harder B. The harder, the better C. The hard, the better D. The harder, the good14. Jack has thre
13、e friends. Mike is the of the four.A. most cleverest B. more clever C. cleverest D. clever15. In our English study reading is more important than speaking. I think.I dont agree, speaking is than reading.A. as important as B. so important as C. the most important D. the same as专题训练二专题训练二I. 用 Of, than
14、, in, as 填空。1. This table is as big that one.2. The yellow book is bigger the blue one.3. Tom is the best student the class.4. This lesson is more interesting that one.5. This apple is the largest all the apples.II. 单选。1. John is my friend of all the classmates.A. good B. better C. best D. the best2
15、. E-mailing is much than long-distance calling.A. cheap B. cheaper C. cheapest D. the cheapest3. Beijing is one of cities in China.A. very beautiful B. much beautiful C. more beautiful D. the most beautiful4. The Yellow River isnt so as the Changjiang River.A. long B. longest C. longer D. the longest5. The coat I bought last week is too big for me. Id like to change it for a one.5A. small
