比较级和最高级

1．形容词和副词有原级、比较级和最高级。原来的形式称为原级，表示“比较……”的称为比较级，表示“最……”的称为最高级。形容词和副词的比较级和最高级的变化方法如下：（1）符合规则的：

（2）不规则的形容词和副词的比较级和最高级如下表：

（2）形容词和副词的比较级的用法如下：

①在表示程度相同时，用“as＋形容词或副词的原级＋as＋比较状语从句”句型。例如：

Jim is as tall as his brother．

Bruce didn't come to the classroom as early as Dick yesterday．

②在表示一方不如另一方时，“not as ／so＋形容词或副词的原级＋as＋比较状语从句”句型。例如：

Lesson Three is not so easy as Lesson Two．It's much more difficult．第三课不如第二课简单，它难一些。

③在表示一方超过另一方时，要用“形容词或副词比较级＋than ＋比较状语从句”句型。例如：

Peter is fatter than his brother．

④在表示三个或三个以上的人或事物中程度最高时，用句型“the ＋形容词或副词的最高级（＋名词）＋in ／of ／among（名词的复数形式或代词的宾格）”，副词的最高级前面的the可以省略。例如：

Which do you like best，tea，orange juice or water？

Of all stars，the sun is the nearest to the earth．所有星体中，太阳离地球是最近的。

—Which is the hottest season of the year？

—Summer．

—一年中哪一个季节最热？

—夏季。

⑤有些形容词由于受本身涵义的限制，没有比较级和最高级。如：dead，empty，round （圆的），sure，woolen等。例如：

This bottle is empty．There's no water in it．

⑥形容词比较级前面常用much，far，even，a lot，a little等词修饰。例如：

I am a little stronger than you．我比你强壮一点儿。

This street is much straighter than that one．这条路比那条直的多。

In this country，it's very cold in November，but it's even colder in December．

（3）级别之间的转换

①原级与比较级之间的转换

A．倍数＋as．．．as→倍数＋比较级＋than。例如：

This book is twice as thick as that one．→

This book is once thicker than that one．

B．not so．．．as与比较级之间的转换。例如：

Tom knows much more about computers than any other student in his class．→No one in his class knows so much about computers as Tom．

Miss Zhang isn't so old as Miss Wang．→Miss Wang is older than Miss Zhang．／Miss Zhang is younger than Miss Wang．

②比较级与最高级之间的转换：

A．比较级＋than any other ＋名词单数。例如：

Wei Hua is the tallest boy in his class．→Wei Hua is taller than any other boy in his class．B．比较级＋than ＋any of the other ＋名词复数。例如：

Robert is better than any of the other students in the school．→ Robert is the best student in the school．

C．比较级＋than ＋anyone else。例如：

He spoke English more quickly than anyone else．→He spoke English most quickly．

D．No one ＋谓语＋比较级＋sb．例如：

No one does the work better than Sam in his office．→Sam can do the work best in his office．

（4）级别的惯用法

①“比较级＋and＋比较级”，表示“越来……越……”，其形式为-er and -er或more and more ＋部分双音节词和多音节词。例如：

The car is running faster and faster．It seems to be flying．

Our school is becoming more and more beautiful．

②“the ＋比较级，the＋比较级”，表示“越……越……”。例如：

—How many books do you need？—The more，the better．

—Actually，the busier he is，the happier he feels．