初中英语比较级和最高级.ppt

1、比较级和最高级,英语句子中， 将比较两个主体的方法叫做“比较句型”。 其中， 像“A比B更”的表达方式称为比较级。,最高级表示三者或三者以上 的人或物进行比较时，用最高级。,1.Actions speak louder than words.事实胜于雄辩。,2.It is easier said than done.说来容易做来难。,形容词的比较等级构成方式: 1.一般单音节adj 的比较级多在原形上加-er,最高级加-est. 多音节adj在原形前加 more,最高级加 most,2.辅音字母加y结尾时,比较级去y变i再加-er,最高级去y变i再加-est. eg. friendly fri

2、endlier friendliest,3. 以不发音的e结尾时加-r/-st. eg. fine finer finest 4. 重读闭音节结尾的词,如末尾是一个辅音字母,双写这个辅音字母,再加-er/-est.eg. big bigger biggest 5.不规则adj的比较级与最高级如下:,注：older 一般比年龄，新旧； elder指长幼关系(一般修饰名词); elder brother/sister farther指距离更远； further指抽像的. I want to study English further.,1“A + be +形容词比较级 + than + B” 意思

3、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。,在比较级前可使用much，a lot，too, far （更加，的多），even（更，更加）， a little（有点）修饰。,如：A watermelon is much bigger than an apple., very, quite一般只能修饰原级，不能修饰比较级。,注意：,2“比较级 + and + 比较级” 或“more and more +原级” 表示“越来越”,如：It beco

4、mes 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 becoming 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， 如果有两者供选择，前面的形容词要用比较级形式。,如：Who is taller,Tim or Tom? 谁更高，Tim还是Tom?,4. “the +比

5、较级, the+比较级”， 表示“越越”。,The more money you make, the more you spend.,钱你赚得越多，花得越多。,The sooner，the better.,越快越好。,5. 表示倍数的比较级用法：,. A + be +倍数+ times + the + 形容词对应名词形式+ of + B.,如：The new building is three 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 + be +倍数+ times +as +原级+ as+ B.,如：Asia

6、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 + be + 序数词 +比较级+ than + B.,如：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。,如：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+

7、 so as结构表示最高级含义。,Nothing is so easy as this.,=Nothing is easier than this.,=This is the easiest thing.,1. the+比较级+ of the two “两个中比较的这一个” Lucy is the _ (高)of the twin sisters. My hat is the _ (漂亮)of the two. 2. 比较级 and 比较级相同 “越来越” It is getting _ and _. Our country is becoming _and _. 3. The 比较级, th

8、e 比较级 “越 越” The _the _. The _he is, the _he feels.,darker,more beautiful,stronger,taller,more,better,busier,happier,注意：,stronger,darker,数量 + 比较级 than My father is three years older than my mother.,形容词，副词的最高级,1.最高级前常用的修饰语： the,3. the + 序数词 + 最高级 + 名词 + in/of The Yellow River is the second longest riv

9、er in China,5. This is the+最高级+名词 (that) I meet/know/ This is the most beautiful city that I have ever visited.,4. one of the + 最高级 + 名词复数 + in/of Shenzhen is one of the biggest cities in China,2. the+最高级+ of/in (三者及以上范围的)/ A,B() or C ? My mother is the busiest in my family,使用形容词和副词比较级和最高级应注意事项1.形容词

10、的最高级前必须有the, 而副词的最高级前the可以省略。,2.在进行比较时，必须是同类事物相比较。 His ruler is longer than I. His ruler is longer than mine.,比较级与最高级的互换1Jim is taller than any other boy in our class.(吉姆比我们 班上任何一个男孩都高) = Jim is taller than the other boys in our class.(在我们班上吉姆其它的男孩高) = Jim is the tallest in our class.（吉姆是我们班最高的） 2.

11、Jim is taller than any girl in our class.（吉姆比我们班的 任何一个女孩都高）,(2011年中考真题)Nancy and Lucy are twins. In some way they look the same, but Nancy is _ than Lucy.A. tall B. taller C. tallest,(2002年中考真题)The population of China is _ than any other country in the world. A. larger B. less C. smaller D. bigger,I

12、.用形容词的正确形式填空 1.Which do you like _ (well), apples, pears or bananas? 2.I think this story is _ (interesting) than that one. 3.In the morning he is _ (early). His father is _ (early) than he. His mother is the _ (early) of the three. 4.The Yellow River is the second _ (long) river in China. 5.He thin

13、ks his corn is _ (delicious) of all the food. 6.I feel math is _ (difficult) than Chinese.,best,more interesting,early,earlier,earliest,longest,most delicious,the,more difficult,句型转换： 1. Tom is tall. Jim is short.(比较级合并) Tom is _ _ Jim. 2. My hair is long. Marys hair is longer .(合并成一句) Marys hair _

14、_ _ mine. 3. Pedro is thinner than Sam. (改为同义句) Sam is _ _ Pedro. 4. My sister is better at study than me. She is clever. (改为同义句) My sister is _ intellectual (聪明的) than me at study. 5. Peter is funny. Paul is funny, too. (合并成一句) Peter is _ funny _ Paul.,taller,than,is,longer,than,fatter/heavier,than

15、,more,as,as,练习：用所给形容词的适当形式填空。 Her hair is _ (long) than mine. Who is _ (short), Tom or Jack? Lily is _ (quiet) than her sister. Tina, please come to school a little _ (early) next time. The _ (hard) you study, the _ (good) grades youll get. It becomes _ and _ (hot) when summer comes.,longer,shorter,

16、quieter,earlier,harder,better,hotter,hotter,单项选择。 1. Lucy is very short, but she is _ than her sister. A. shorter B. longer C. taller D. older 2. Frank is _ friendly than his brother. A. a little more B. a few more C. much D. a little 3. Sam is _ at Chinese than Jim. A. good B. well C. better D. goo

17、der,4. This one is too large. Can you show me a _one? A. larger B. large C. small D. smaller 5. Do you think March is _ than January? Yes, its _ warmer. better, a little B. well, much C. worse, very D. nicer, quite,6. Im _ quieter than Susan. A. little B. few C. a little D. a few 7. The watch is not

18、 _ beautiful as that one. A. very B. too C. so D. more,8. His French isnt so good as _. A: he B: him C:his D: hers 9. Its much better than _ classes. A. have B. has C. to have D. having 10. Her bag is newer than _. A. mine B. my C. me D. I,11. The _, the better. A. much B. many C. more D. most 12. Do you know who is _ of the twins? A. shorter B. heavier C. the older D. the funny 13. The weather i