1、比较级常与than引导的状语从句连用，表示与什么相比。

This room is bigger than any other one in the hotel.

为了避免重复，从句常用一些代词。

比较必须是两个相同的成分。

Everyday he arrives earlier than anyone else in the company.

It is better to be prepared than unprepared.

This is easier said than done.

I meet with more difficulties than she does.

The girls in my class are more active than those in his class.

1、有than 就要考虑比较级。

2、比较的成分要完全一致。

2、“比较级+and+比较级”，表示“越来越…”。

My father walked faster and faster until I could no longer keep up with him .

My father walked faster and faster until I couldn't keep up with him any longer. (not 用来否定动词)

Our country is getting stronger and stronger.

Things are getting better and better every day.

I'm getting more and more interested in arts.

get interested in 对……感兴趣

3.“the +比较级…，the+比较级”，表示“越是…就越…”。

The more haste， the less speed. 欲速则不达。

The harder she works， the more progress she makes.

make progress 取得进步

The more I study it， the more I like it.

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

The more preparation you do now， the less nervous you'll be before the exam.

The sooner you start， the faster you'll be finished.