3. 只能修饰原级的词:very, so, too 等。

如He is very tired.他非常累。

可以修饰比较级的词: much, a lot, a little 等。

如Lesson One is much easier than Lesson Two.第一课比第二课容易得多。

三形容词和副词的比较级最高级形式的变化规则
1大多数形容词和副词可直接在词尾加-er ,–est ,如short—shorter—shortest slow—slower—slowest quick—quicker –quickest
2以e 结尾的形容词和副词,在词尾加-r,–st ,如nice—nicer –nicest
3以辅音字母加y结尾的形容词、副词变y为i再加-er ,-est,
如early—earlier—earliest
4以重读闭音节结尾末尾只有一个辅音字母的形容词、副词两辅夹一元
双写末尾的辅音字母再加-er,est,如big—bigger—biggest 注常用的有五个big fat hot thin red,可以这样记大胖子热瘦子是红色的
5不规则的形容词、副词的比较级最高级many/much—more—most
good/well—better—best bad/badly—worse—worst little—less—least 常用的不规则变化的形容词的比较级和最高级：
原级一一比较级一一一最高级
Good -_________________-_________________
Many -_________________-_________________
much-_________________ - _________________
bad -_________________ - _________________
五专项训练
1写出下列形容词副词的比较级最高级。

young _______ _______ large _______ _______ far _______ _______
easy _______ _______ much _______ _______ little _______ ______
small _______ _______ late _______ _______ fat _______ _______
busy _______ _______ red _______ _______ good _______ _______
delicious ______________________________________ ________________________________ beautiful ________________________________ __________________________
2用所给的形容词副词的适当形式填空。

A. T om is ______________ (tall) than Jim.
B. Li Lei is _________________ (young) boy in his class.
C.I think English is ___________________________ (interesting)than any other subjects.
D.David has _____________________________ (many)story books of all the students.
E.Li Lei speaks English _______________________________ (well) in his group.
F.Lucy runs __________________________________ (quickly) than Lily.
形容词前如加less 和least 则表示’较不’和’最不’
important 重要less important 较不重要the least important 最不重要
1.Our teacher is ____________________________we are. 我们老师的个子比我们的高。

2.It is ________________________ yesterday. 今天的天气比昨天暖和。

3.This picture is __________________________than that one. 这张照片比那张照片漂亮。

4.This meeting is ______________________than that one. 这次会议不如那次会议重要。

5.The sun is ____________________________ than the moon. 太阳比月亮大得多。

主语＋谓语（系动词）+the＋形容词最高级＋名词＋
1.She is ________________________________ student in her class. 她是班上最好的学生。

2.Shanghai is one of _____________________ cities in China. 上海是中国最大城市之一
3.This is _________________________ apple I have ever met. 这是我见到的最大的苹果。

4.Tom is ____________________ boy in his basketball team. 汤姆是他们篮球队中个子最
高的孩子。

1. This box is ___________________that one.
A. heavy than
B. so heavy than
C. heavier as
D. as heavy as
2. When 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______________ than that one.
A. as difficult as ; expensive
B. as more difficult as ; more expensive
C. as difficult as ; more expensive
D. more difficult as ; as expensive。