1．“A + be +形容词比较级 + than + B” 意思为“A比B更……”。
如：This tree is taller than that one. 这棵树比那棵树高。
注意：孩子多动症
① 在含有连词than的比较级中，前后的比较对象必须是同一范畴，即同类事物之间的比较。
②在比较级前面使用much，表示程度“强得多”。
如：A watermelon is much bigger than an apple.
③ very, quite一般只能修饰原级，不能修饰比较级。
2．“比较级 + and + 比较级”或“more and more +原级”表示“越来越……”
如：It becomes warmer and warmer when spring comes.
春天来了，天气变得越来越暖和了。历史的意义
It is getting cooler and cooler.
天气越来越凉爽。
The wind became more and more heavily.
风变得越来越大。
Our school is becoming more and more beautiful.
我们的学校变得越来越美丽。
3．在含有or的选择疑问句中，如果有两者供选择，前面的形容词要用比较级形式。 劳动争议诉讼时效
如：Who is taller,Tim or Tom? 谁更高，Tim还是Tom?
4. 诚信的作文“黄色的英语怎么写the +比较级……, the+比较级”，表示“越……越……”。
The more money you make, the more you spend.
钱你赚得越多，花得越多。
The sooner，the better.
越快越好。
5. 表示倍数的比较级用法：
①. A + be +倍数+ times + the + 形容词对应名词形式+ of + B.
如：The new building is three times the height of the old one.
这座新楼比那座旧楼高三倍。(新楼是旧楼的四倍高)
②. A + be +倍数+ times +as +原级+ as+ B.
如：Asia is four times as large as Europe.
亚洲是欧洲的四倍大。(亚洲比欧洲大三倍)
③. A + be + 序数词 +比较级+ than + B.
如：Our school is twice bigger than yours.
我们学校比你们学校大两倍。
6.形容词、副词的最高级形式主要用来表示三者或三者以上人或事物的比较，表示“最……”的意思。
句子中有表示范围的词或短语。如：of the three, in our class等等。
如：He is the tallest in our class.
他在我们班里是最高的。
7."否定词语+比较级"，乙卯重五诗"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.
8. 比较级与最高级的转换：
Mike is the most intelligent in his class.
Mike is more intelligent than any other student in his class
7.修饰比较级和最高级的词
1）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。
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 cond largest continent.
8.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 cleverer than his brother.
9.要避免将主语含在比较对象中。
(错) China is larger that any country in Asia.
(对) China is larger than any other country in Asia.
10.要注意对应句型，遵循前后一致的原则。
The population of Shanghai is larger than that of Beijing.
It is easier to make a plan than to carry it out.
11.要注意冠词的使用，后有名词的时候，前面才有可能有冠词。
比较：Which is larger, 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.
10.连用词
much ,a little ,a bit,even
编辑本段
使用比较级应注意的问题
1． 比较对象是否明确
比较必须在同类事物之间进行，用that代替天气和人口。如：
My pen is better than yours.
The weather of Harbin is colder than that of Beijing.
2．比较的范围
比较级中的被比对象与比较对象必须属于互不分离的两个范围。比较的对象如在同一范围内。必须加other一词，将比较的个体排除在外。范围内加any other 范围外加any.
He is taller than any other boy in his class.
Canada is larger than any country in Asia.
3． 比较级前的修饰语
常用来修饰比较级的词有：much ,a little , a bit ,a lot ,even ,still ,a great deal of, far ,by far ,any ,rather
及表示倍数的词。修饰可数名词用：many more或few.修饰不可数名词用：much more .
There are many more books in your library than in ours.
His handwriting is much better than mine.
4．比较状语从句中的省略
than后是一个完整的句子，有时为了避免重复，把谓语部分省略。但如果前后时态不同，则不能省略。
The book is more interesting than that one (is interesting).
She is much taller than she was last year.
开天辟地电影I think he will be more careful with his study than he is now.
5． 比较级与冠词the的使用
表示“两者中比较……的一个”，要用( the + 比较级 + of the two)的句式.
He is the stronger one of the two boys.
English is the easier language of the two.
6．表示倍数的三个结构
1 ）be + 倍数 + as …as
2 ）be + 倍数 + 比较级 +than
3 ）be + 倍数 + the +名词（尺寸，长度）+of
The hou is three times as big as that one .
The hou is three times bigger than that one .
The pencil is twice the length of that one
7．比较级 + and + 比较级 → 越来越……
Days are getting longer and longer.
8．the + 比较级 ，the + 比较级 → 越……，越……
The more ,the better.
The more you eat, the fatter you’ll be.
