形容词、副词的比较级和最高级的构成规则、用法

形容词、畐恫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

（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，比较在原级后加-r,最高级在原级后加-st;

女口：large —larger —largest nice —nicer —nicest able —abler —ablest 3. 重读闭音节（即：辅音+元音+辅音）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 fat —fatter —fattest

4. 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：easy—easier —easiest heavy—heavier —heaviest busy—busier —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

popular —more popular —most popular

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，不表示最高级的含义，只表示"非常".

It is a most important problem. =It is a very important problem.

6. 有少数形容词、副词的比较级和最高级不规则

good—better —best well —better b atafestworse—worst ill —worse—worst old —older/elder —oldest/eldest

many/much —more—most little —less —least

形容词、副词的比较级和最高级的用法

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.

①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.②在比较级前面使用much，表示程度程度强得多”如：A watermelon is much bigger than an apple. ③very, 一般只能修饰原级，不能修饰比较级.

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.

The wind became more and more heavily. 风变得越来越大.

3. 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.

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 sooner,the better.越快越好.

5. 表示倍数的比较级用法：

① .A is …times the size /height/length/width of 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）

② .A is …times as big /high/long/wide/large a如B. 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）

③ .A is …times larger /higher/longer/wider than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.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+ so…a结构表示最高级含义.Nothing is so easy as this. =Nothi ng is easier tha n this. =This is the easiest thing.

8. 比较级与最高级的转换：Mike is the most intelligent in his class. Mike is more in tellige nt tha n any other stude nt in his class

9修饰比较级和最高级的词

可修饰比较级的词①.a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, even等.（除by far外,必须置于比较级形容词或副词的前面.）②.可用表倍数的词或度量名词作修饰语.

（2）下歹U词可修饰最高级：by far, far, much, mostly, almost. This hat is n early / almost the biggest.

10.序数词通常只修饰最高级.11.要避免重复使用比较级.12.要避免将主语含在比较对象中.13.要注意冠词的使用，后有名词的时候，前面才有可能有名词.