六年级比较级与最高级的用法

1、精选 word范本，供参考! 课前准备：检查学生掌握单词情况（听写） 一、形容词、副词的比较级和最高级的构成规则 1一般单音节词和少数以-er，-ow结尾的双音节词，比较级在后面加-er， 最高级在后面加-est ； （1） 单音节词 女口： small f smaller smallest short shorter shortest tall taller tallest great greater greatest （2） 双音节词 女口： clever cleverer cleverest narrow narrower narrowest 2以不发音 e 结尾的单音节词，比较在原级后

2、加-r，最高级在原级后加-st ; 女口： large larger largest nice nicer nicest able abler ablest 3在重读闭音节（即：辅音+元音+辅音）中，先双写末尾的辅音字母，比 较级加-er，最高级加-est ; 女口： big bigger biggest hot hotter hottest fat fatter fattest 4. 以“辅音字母+ y”结尾的双音节词， 把 y 改为 i，比较级加-er，最高级 加-est ; 女口： easyeasier easiest heavy heavier heaviest busy busier

3、 busiest happy happier happiest 5. 其他双音节词和多音节词，比较级在前面加 more，最高级在前面加 most; 女口： beautiful more beautiful most beautiful differe nt more differe nt most differe nt easily more easily most easily 注意：（1）形容词最高级前通常必须用定冠词 the，副词最高级前可不用。 例句： The Sahara is the biggest desert in the world. （2）形容词 most 前面没有 the

4、，不表示最高级的含义，只表示非常。 It is a most importa nt problem. =It is a very important problem. 6. 有少数形容词、副词的比较级和最高级是不规则的，必须熟记。 精选 word范本，供参考! 女口： good better best well better best bad worseworst ill worseworst old f older/elder f oldest/eldest many/muchf moref most little f less f least far f further/farther f

5、 furthest/farthest 词形变换。 比较级 最高级 large _ _ fast _ _ easy _ _ wet _ _ good _ _ importa nt _ _ well _ _ bad _ _ many _ _ little _ _ far _ _ stro ng _ _ patie nt _ _ safe _ _ expe nsive _ _ 二、形容词、副词的比较级和最高级的句子公式： 比较级 形容词物体 A + am / are / is + 形比+ than + 物体 B. I am taller tha n you. Pasta is more delici

6、ous tha n pizza. 副词物体 A +行为动词+副比+ than + 物体 B. Cheetahs run faster tha n goats. He studies better tha n me. 最咼级 1） 物体 A + am / are / is + the + 形最高级+比较范围（of + 人/物，in +地方）. I am the tallest in the class. Pasta is the most delicious food of the three. 2） 物体 A +行为动词+副词最高级+比较范围（of +人/物，in +地方）. 精选 word范

7、本，供参考! Cheetahs run fastest in the world. He studies best of us. 1. She is tha n A. busier / us B. busier / we C. more busy / us D. more busy / we 2. Jane is than Betty. A. less taller B. less tallest C. less tall D. not as tall 3. Chi na is country in the world. A. the third largest B. the largest

8、third C. the third large D. a third largest 4. -Which is _ seas on in Beiji ng? -I think its autumn. A.good B.better C.best D.the best 5. - Which is _ , the sun, the moon or the earth? -Of course, the moon is. A.small B.smaller C.smallest D.the smallest 6. The air in Beijing is getting much _ now th

9、an a few years ago. A. clea n B. clea ner C. clea nest D. the clea nest 7. Mobile phones are very popular now and they are _ tha n before. A. cheap B. cheaper C. cheapest D. the cheapest 8. I study English as _as my brother. A.hard B. harder C. hardest 9. Which is _ , a bicycle or a computer? A. exp

10、e nsive B.more expe nsive C.the most expe nsive 10. The Yellow River is one of _ rivers in Chi na. A long B Ion ger C the Ion gest 11.She is the sec ond _stude nt in our class. A. tall B. taller C. tallest 用括号里的词的适当形式填空。 1. Tom can jump _ (high). He jumps _ (high) tha n the other boys in his class.

11、2. Janet sing _ (well) in her class. She can sing _ (well) tha n her music teacher, too. 3. My father is _ (han dsome). But my brother is _ (han dsome) tha n him. 精选 word范本，供参考! He is _ (han dsome) in my family. 4. I have _ (many) books in my class. But my teacher has _ (many) books than _ (I). 5. _

12、 (they) house is much _ (old) tha n _ (we). 三、形容词和副词比较级的用法 1. . “ A + be +形容词比较级+ than + B ”意思为“A比 B 更 . ” 如：This tree is taller than that one. 这棵树比那棵树高。 在含有连词 than 的比较级中，前后的比较对象必须是同一范畴，即同类事 物之间的比较。 在比较级前面使用 much 表示程度程度“强得多”。 女口： A watermelon is much bigger than an apple. very, quite 一般只能修饰原级，不能修饰比较

13、级。 2. . “比较级+ and +比较级”或“ more and more +原级”表示“越来越 . ” 女口： It becomes warmer and warmer when spring comes. 春天来了，天气变得越来越暖和了。 It is getting cooler and cooler. 天气越来越凉爽。 The wind became more and more heavily. 风变得越来越大。 Our school is beco ming more and more beautiful. 我们的学校变得越来越美丽。 3. 在含有 or 的选择疑问句中，如果有两者

14、供选择，前面的形容词要用比较级形 式。 女口： Who is taller,Tim or Tom? 谁更高，Tim 还是 Tom? 4. “the +比较级 . ,the+比较级”，表示“越 . 越 . ”。 The more money you make, the more you spe nd. 钱你赚得越多，花得越多。 The sooner，the better. 精选 word范本，供参考! 越快越好。 5. 表示倍数的比较级用法： .A is times the size /height/length/width of B. 如: The new building is three

15、times the height of the old one. 这座新楼比那座旧楼高三倍。（新楼是旧楼的四倍高） .A is times as big /high/l on g/wide/large as B. 如:Asia is four times as large as Europe. 亚洲是欧洲的四倍大。（亚洲比欧洲大三倍） .A is times larger /higher/l on ger/wider tha n B. 女口： Our school is twice bigger than yours. 我们学校比你们学校大两倍。 6. 形容词、副词的最高级形式主要用来表示三者

16、或三者以上人或事物的比较， 表 示“最 . ”的意思。句子中有表示范围的词或短语。如： of the three, in our class 等等。 女口： He is the tallest in our class. 他在我们班里是最高的。 7. 否定词语+比较级,否定词语+ soas结构表示最高级含义。 Nothi ng is so easy as this. =Nothi ng is easier tha n this. =This is the easiest thi ng. 8. 比较级与最高级的转换： Mike is the most intelligent in his cla

17、ss. Mike is more intelligent than any other student in his class 注意：修饰比较级和最高级的词 1） 可修饰比较级的词 .a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, eve n 等。 .还可以用表示倍数的词或度量名词作修饰语。 .以上词（除 by far）夕卜，必须置于比较级形容词或副词的前面。 注意：使用最高级要注意将主语包括在比较范围内。 （令昔）Tom is the tallest of hi

18、s three brothers. （对）Tom is the tallest of the three brothers. 精选 word范本，供参考! 2） 下列词可修饰最高级： by far, far, much, mostly, almost 。 This hat is n early / almost the biggest. 注意： a. very 可修饰最高级，但位置与 much 不同。 This is the very best. This is much the best. b.序数词通常只修饰最高级。 Africa is the sec ond largest contin

19、ent. 选择题 1. This box is_ that one. A. heavy tha n B. so heavy tha n C. heavier as D. as heavy as 2. Whe n we speak to people, we should be . A. as polite as possible B. as polite as possibly C. as politely as possible D. as politely as possibly 3. This book is _ that one, but _tha n that one. A. as

20、difficult as; expe nsive B. as more difficult as; more expe nsive C. as difficult as; more expe nsive D. more difficult as; as expe nsive 4. I think the story is not so _ as that one. A. i nteresti ng B. i nterested C. more in teresti ng D. most in terest ing 5. His father bega n to work _ he was se

21、ve n years old. A. as old as B. as early as C. since D. while 6thi nk scie nee is _ tha n Japa nese. A. much importa nt B. importa nt C. much more importa nt D. more much importa nt 7. This pen cil is _ tha n that one. A. Ion gest B. l ong C. Ion ger D. as long 8. My mother is no _ young. A. shorter

22、 B. lo nger C. little D. few 9. These childre n are _ this year tha n they were last year. A. more tall B. more taller C. very taller D. much taller 10.lt was very hot yesterday, but it is _ today. A. eve n hotter B. more hotter C. much more hot D. much hot 精选 word范本，供参考! 四、总结与作业 1. 选择填空。 1. Birds can fly _ , eagles can fly _ than birds. They fly _ in