形容词/副词的三种比较级别

形容词/副词的三种比较级别

最高级、比较级、原级

1.最高级

adj./adv.的最高级 + (介词短语表示比较的范围)

“（….范围内）最….”
通常用于三者或以上比较。
例句：

My younger sister is [the tallest] in her class.
[The biggest problem of the project is the lack of power].

2.比较级

adj./adv.的比较级 + (than 比较的对象)

“(和…相比)更….”
通常用于两者之间的比较。
例句：

Aeroplane tickets are [more expensive] than train tickets. 
Sometimes machines can perform much [better] than human beings.

3.原级比较

as + adj./adv.原形 (比较的内容) + as + 比较的对象

“和…相比一样的….”
例句：

I am as tall as you.
Her mother  is as beautiful as ten years ago.

形容词/副词的原级比较的 否定形式

not + as/so + adj./adv.原形(比较的内容) +as + 比较的对象

“和…相比还不如…”
例句：

Travelling was not as easy as it is today.
People are not so honest as they once were.