英语形容词与副词的比较级与最高级
对于英语的形容词与副词，相信不少人也都了解过，那么它们的比较级、最高级这些你?接下来，小编给大家准备了英语形容词与副词的比较级与最高级,欢迎大家参考与借鉴。
英语形容词与副词的比较级与最高级
as + 形容词或副词原级 + as
1)在否定句或疑问句中可用so… as.
He cannot run so/as fast as you.
2)当as… as 中间有名词时采用以下格式。
as +形容词+ a +单数名词
as + many/much +名词
This is as good an example as the other is.
I can carry as much paper as you can……
3)用表示倍数的词或其他程度副词做修饰语时，放在as的前面。
This room is twice2 as big as that one.
Your room is the same size3 as mine.
4)倍数+ as + adj. + as <=> 倍数+ then + of
This bridge4 is three times as long as that one.
This bridge is three times the length5 of that one.
Your room is twice as large as mine.
Your room is twice the size of mine.
比较级形容词或副词 + than
You are taller than I.
They lights in your room are as bright as those in mine.
注意：
1)要避免重复使用比较级。
(错)He is more cleverer than his brother.
(对)He is more clever than his brother.
(对)He is clever than his brother.
2)要避免将主语含在比较对象中。
(错)China is larger that any country in Asia6.
(对)China is larger than any other countries in Asia.
3)要注意对应句型，遵循前后一致的原则。
The population7 of Shanghai is larger than that of Beijing.
It is easier to make a plan8 than to carry it out.
4)要注意冠词的使用，后有名词的时候，前面才有可能有名词。
比较：
Which is large，Canada or Australia?
Which is the larger country，Canada or Australia?
She is taller than her two sisters.
She is the taller of the two sisters
可修饰比较级的词
1)a bit，a little，rather，much，far，by far，many，a lot，lots，a great deal，any，still，even等
2)还可以用表示倍数的词或度量名词作修饰语。
3)以上词(除by far)外，必须置于比较级形容词或副词的前面。
many，old 和far
1)如果后接名词时，much more +不可数名词
many more +可数名词复数
2)old 有两种比较级和最高级形式：older/oldest 和elder/eldest1. elder，eldest 只用于兄弟姐妹的长幼关系。
My elder brother is an engineer.
Mary is the eldest of the three sisters.
3)far 有两种比较级，farther，further. 在英语中两者都可指距离。
在美语中，father 表示距离，further表示进一步。
I have nothing further to say.
the + 最高级 + 比较范围
1)The Sahara is the biggest desert in the world.
形容词最高级前通常必须用定冠词 the，副词最高级前可不用。
形容词most前面没有the，不表示最高级的含义，只表示“非常”。
It is a most important problem.
=It is a very important problem.
注意：使用最高级要注意将主语包括在比较范围内。
(错)Tom is the tallest of his three brothers.
(对)Tom is the tallest of the three brothers.
2)下列词可修饰最高级，by far，far，much，mostly，almost
This hat is nearly / almost the biggest.
注意：
a. very可修饰最高级，但位置与much不同。
This is the very best.
This is much the best.
b. 序数词通常只修饰最高级。
Africa is the second largest continent.
3)句型转换：
Mike is the most intelligent in his class.
Mike is more intelligent than any other students in his class.
4)“否定词语+比较级”，“否定词语+ so… as”结构表示最高级含义。
Nothing is so easy as this.
=Nothing is easier than this.
=This is the easiest thing.
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