1.两者相比( A> B，即 A比 B更..),用“比较级+ than”表示??.注意比较的对象要一致。

句型： A+谓语动词+比较级+ than+ B

This lesson is more difficult than that one. 这篇课文比那篇更难。

Jim jumped higher than Tom. Jim比 Tom跳得高 I have longer hair than Mike.

2.在形容词的比较级前可以添加修饰词来加强语气： much， a lot， far，(…得多); a little， a bit(…一点儿); even(甚至…)等词。

Today is a little colder than yesterday. 今天比昨天冷得多。

Tom is much more outgoing tham Jim. Tom比 Jim外向得多。

3.表示“…不如…”，除了用“ not as/ so+原级+ as…”结构外，还可用“ less+(加 more构成的比较级的形容词、副词的)原级+ than”结构

She is less hard-working than me.= She is not as hard-working as me.她不如我勤奋。

The story is less interesting than that one. = The story isn’ t so interesting as that one.

这个故事不如那个故事有趣”

4. Who/ Which+ be+比较级, A or B

Who is taller, Tom or John??????? Which is easier, English or Chinese

Which is more expensive, a bicycle or a computer

5. the+比较级+ of the two. (两个之中比较…的那一个)

Tom is the taller of the two. = Tom is taller than the other boy.

The apple is bigger of the two.

6. the+比较级..., the+比较级...", 表示 " 越 ,就越"。

The more you study, the more you know. 你学的越多, 就知道的越多。

7.形容词比较级+ and+形容词比较级,表示"越来越... "。

The computer is cheaper and cheaper. The weather is getting colder and colder. Our country is becoming more and more beautiful.

8.表示“大几岁、高多少”等时，常用“数量词+比较级+ than…”

She is three years older than I. 她比我大三岁。