原标题：【每日学习】专升本英语语法基本知识

英语语法基本知识

(一) ”as+原级+as”, “not as/so +原级+as”

1、“as+原级+as”, 表示”和…一样…”，”not as/so +原级as”表示”…不及…”。

eg:He is as good a swimmer as any of us.

He’s as tall as I.

It is not as hot in Beijing as in Wuhan.

He does not smoke so heavily as his father.

French is just as difficult a language as English.

She is

as good a cook as her mother.

I have never seen so beautiful a place as Hangzhou. (never否定含义)

2、”as+原级+as one can'”和”as +原级+as possible”表示”尽可能地…”。

eg:Come as soon as possible.

There is nothing we can do but wait as calmly as we can.

(注意: there is nothing…but…，but后一定跟动词原形)

3、”as+原级+as”可以用来表示倍数。

eg:My new coat cost me four times as much as the old one.

This room is twice as large as that one.

This room is twice larger than that one.

(二)比较级、最高级和”as+原级+as”前面都可有表示程度的状语。

eg:The sun is much bigger than the earth.

She is by far the cleverest girl in our class. (by far到目前为止)

They have many more chemistry books than we.

There is much more water in this jar than that one.

They will come back a little earlier.

This time she ran a good deal faster.

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