4. 用比较级来表达最高级的意思。如：I have never spent a more worrying day.

3. 表示一方随另一方变化时用“the more…the more…”句型。如：The harder you work, the more progress you will make.

2. 可以修饰比较级的词有：much, many, a lot, even, far, a bit, a little, still, yet, by far, any, a great deal。

1. 同级比较时常常用 as…as…以及not so(as)…as…如：I am not so good a player as you are.

II. 副词

副词的分类：

III. 形容词和副词比较等级：

形容词和副词的比较等级分为原级，比较级和最高级。比较级和最高级的构成一般是在形容词和副词后加-er和-est，多音节和一些双音节词前加more 和most。

I. 形容词：

1. 形容词的位置：

1) 形容词作定语通常前置，但在下列情况后置：

2) 多个形容词修饰同一个名词的顺序：

3) 复合形容词的构成：

5. all和both, neither和either

　 all表示不可数名词时，其谓语动词用单数。both和all加否定词表示部分否定，全部否定用neither和none.

　 All of the books are not written in English. / Not all of the books are written in English.

　 Both of us are not teachers. / Not both of us are teachers. / Either of us is a teacher.

4. other和another:

　 1) other泛指“另外的，别的”常与其他词连用，如：the other day, every other week, some other reason, no other way,

the other特指两者中的另外一个，复数为the others。如：

He held a book in one hand and his notes in the other.

Two students in our class failed, but all the others passed the exam.

　 2) another指“又一个，另一个”无所指，复数形式是others，泛指“别的人或事”如：

I don’t like this shirt, please show me another (one).　

The trousers are too long, please give me another pair / some others.

Some like football, while others like basketball.

3. none和no：

no等于not any，作定语。none作主语或宾语，代替不可数名词，谓语用单数，代替可数名词，谓语单复数皆可以。

There is no water in the bottle.

How much water is there in the bottle? None.

None of the students are (is) afraid of difficulties.

2. each和every:

each强调个别，代表的数可以是两个或两个以上，而every强调整体，所指的数必须是三个或三个以上。

Each student has a pocket dictionary. / Each (of us) has a dictionary. / We each have a dictionary.

Every student has strong and weak points. / Every one of us has strong and weak points.