副词原级的用法

1.只能修饰原级的词， very， quite， so， too。例如：

He is too tired to walk on.他太累了以至于不能再继续走了。

My brother runs so fast that I can‘ t follow him.我弟弟跑得那么快以至于我跟不上他。

2.原级常用的句型结构

( 1)“甲+实意动词+(倍数)+ as+副词原级+ as+乙”表示“甲和乙程度相同”或“甲是乙的几倍”。例如：

Tom runs as fast as Mike.汤姆和迈克跑得一样快。

Tom runs twice as fast as Mike.汤姆跑得速度是迈克的二倍。

( 2)“甲+助动词+ not+动词原形+ as/ so+副词原级+ as+乙”甲不如乙…例如：

He doesn’ t walk as slowly as you.他走路不像你那样慢。

副词比较级的用法

1.可以修饰比较级的词， much， a lot， far，…的多; a little， a bit，…一点儿; even甚至;; still仍然。例如：

Lesson One is much easier than Lesson Two.第一课比第二课容易得多。

Tom looks even younger than before.汤姆甚至比以前更年轻。

This train runs much faster than that one.这辆火车比那辆跑地快。

She drives still more carefully than her husband.她开车仍然比她丈夫还认真。

2.比较级常用的句型结构

( 1)“甲+实意动词+(倍数)+副词比较级+ than+乙”表示“甲比乙…”或“甲比乙…几倍”。例如：

I got up earlier than my mother this morning.我今天早晨起床比我妈妈还早。

He runs three times faster than his brother.他跑的速度比他弟弟快三倍。

( 2)“甲+实意动词+副词比较级+ than+ anyother+单数名词(+介词短语)”表示“甲比同一范围的任何一个人/物都……”，含义是“甲最……”。例如：

Mike gets to school earlier than any other student in his class.

= Mike gets to school earlier than any of the other students in his class.迈克比他们班上任何一个其他的同学到校都早。

= Mike gets to school earlier than the other students in his class.迈克比他们班上其他的同学到校都早。

= Mike gets to school earliest in his class.迈克在他们班到校最早。

注意： Mike gets to school earlier than any student in Tom’s class.迈克比汤姆班上任何一个学生到校都早。(迈克和汤姆不是同一个班)