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2019年北京初三英语相关背诵知识点！单词是学习英语的基础，不论学到哪个阶段，不论以后是高中还是大学，同学们都要好好的积累自己的词汇量，背单词这事，一天都不能停，每天背二十个单词，养成了习惯，学习英语会起到莫大的助力，下面小编为大家带来2019年北京初三英语相关背诵知识点。
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2019年北京初三英语相关背诵知识点
形容词、副词的比较级和更高级
二. 教学重点：
1. 形容词、副词比较级和更高级的构成
2. 形容词、副词比较级和更高级的使用
三. 具体内容：
（一）形容词、副词比较级和更高级的构成：
1. 单音节词和少数双音节词比较级和更高级的规则变化：
规则 原级 比较级 更高级
1.在词尾后直接加-er/est tall taller tallest
2.词尾是e，只加-r/st nice nicer nicest
3.以辅音字母加y结尾的，把y变i再加-er/est happy happier happiest
4.重读闭音节，末尾只有一个辅音字母，双写这个辅音字母，再加-er/est thin thinner thinnest
2. 其他双音节词或多音节词,在该词前面加-more/most
beautiful—more beautiful—(the) most beautiful
3. 由形容词加ly构成的双音节词和多音节词,都是在该词前加-more/most.
quickly—more quickly—(the) most quickly
difficultly—more difficultly—(the) most difficultly
4. 不规则变化:
good/well better best
bad/badly worse worst
many/much more most
little less least
far farther/further farthest/furthest
（二）形容词比较级和更高级的用法：
1. 原级的用法:
用于两者之间对比，意思为“……和……相同”
A+v.+as….+形容词原级as B
Tom is as honest as Jack.
Her skin is as white as snow.
My dog is as old as that one.
He is not as (=so) tall as I.
The weather here is not as(=so)cool as the weather in Harbin.
2. 比较级的用法:
1）A+形容词比较级+than+ B
Susan is happier than Jane.
His brother is younger than me.
Beijing is more beautiful than Osaka.
形容词比较级前还可以用much, even, still, a little来修饰。
2）数字+形容词比较级+than
I’m two years older than you.
She is a head taller than me.
3）比较级+and+比较级，表示“越来越……”
The earth is getting warmer and warmer.
China becomes more and more stronger.
4）the +比较级，the +比较级结构，表示“越……就越……”
The more I study it, the more I like it.
5）which/who +is +比较级
Which city is bigger, Beijing or Tianjin?
Who is happier, you or me?
3. 更高级用法：
用于三者及以上的人或事物的比较,更高级前加the，更高级前有物主代词，序数词和名词所有格时，不加定冠词，后面跟带in或of表范围的短语。
1）one of the +更高级
Shanghai is one of the most beautiful cities in China.
Our city is one of the safest cities in the world.
Most people like apples.
Most of the boys are good.
It is our nearest neighbor in space.
2）更高级意义的表达方法:
例句
更高级 She is the best in her class.
比较级 She is better than any other student in her class.
No other student in her class is better than she.
原级 No other student in her class is as good as she.
（三）副词比较级和更高级的用法：
1. 原级主要的句型：
1）as+副词原级+as
Tom runs as fast as Jones.
not as/so+副词原级+as He didn’t come as/so early as Li Lei.
2）too+副词原级+to do sth.
Jean rides too slowly to catch up with me.
3）so +副词原级+ that
Jean rides so slowly that she can’t catch up with me.
4）副词原级+enough to do sth.
Jean doesn’t ride fast enough to catch up with me.
2. 比较级的用法：
1）比较级+than。当前后使用的动词相同时，通常用助动词来代替后面的动词，该动词或助动词可以省略。
Lily run faster than Mary(did).
2）比较级+and +比较级
The days are getting longer and longer in summer.
3）the more…the more…
The harder you work, the better you will learn.
3. 更高级的用法：
副词更高级前一般有the，也可省略。
He works (the) hardest of all the students in the class.
小编推荐：
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