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原级
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as＋原级＋as＋比较对象，表示对比双方在性质、程度、特征方面相等或相似
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My parcel is as heavy as yours.
Our school is as big as their school.
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not＋as /so＋原级＋as＋比较对象，表示“……不如……”
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Money is not so important as health.
It is not so expensive as you might expect.
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“as...as”结构有时不用来表示两者的比较，而是用来表示“尽可能……，尽量……”
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We will help you as well as we can.
Take as many apples as you like.
Tom runs away as fast as possible.
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比
较
级
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比较级＋than＋比较对象，表示“比……更……”；no与比较级连用表示“一样不……”
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This building is 20 meters higher than that one.
The weather of Kunming is much better than that of Shenyang.
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比较级＋and＋比较级，表示“越来越……”
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When winter comes, the days get colder and colder.
It's becoming more and more difficult to find a job.
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the＋比较级...，the＋比较级...，表示“越……，就越……”
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The more we get together, the happier we'll be.
The more careful you are, the fewer mistakes you will make.
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the＋比较级＋of the two＋名词，表示“两者中较……的一个”
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The taller of the two boys is my brother.
English is the easier language of the two.
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superior, senior, junior等形容词与to搭配，表示比较
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Experts stated this method was superior to others.
Williams felt himself to be senior to all of them.
He is junior to me by two years.
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注意：more than这几个用法不是比较级
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more than＝over，表示“超出”
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He has worked here for more than 20 years.
This is more than I can understand.
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more than＝very，表示“很，非常”
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I'm more than glad to hear that news.
I was more than a little angry.
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more than表示“不仅”
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He is more than a teacher; he is a writer, too.
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more...than...表示“与其……不如……”
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You are more lucky than bright.
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倍
数
表
达
法
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倍数＋as＋原级＋as＋比较对象，表示“……是……的几倍”
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This building is five times as high as that one.
This line is four times as long as that one.
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倍数＋比较级＋than＋比较对象，表示“……比……大/高/多几倍”
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This hall is five times bigger than our classroom.
The car runs twice faster than that truck.
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倍数＋the size /height /length /width /depth /weight /age＋of＋比较对象
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The new planet is about ten times the size of the earth.
This road is five times the width of that one.
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A is＋倍数＋as many /much＋名词/代词＋as B
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The output is twice as much as that of ten years ago.
He has got three times as many books as his sister.
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A is＋倍数＋what 从句
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The length of this road is four times what it was three years ago.
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最
高
级
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the＋最高级＋比较范围，表示“……是……中最……的”
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He is the tallest of all the five boys.
This book prize is the biggest of its kind in the world.
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be one of /among the＋最高级＋复数名词＋比较范围，表示“……是……中最……之一”
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He is one of the best students in our class.
This is one of the most beautiful flowers in the garden.
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特殊疑问词＋...＋the＋最高级， A, B or C，用于三者或三者以上的比较
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Which country is the largest, China, Brazil or Canada？
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比较
级表
示最
高级
意义
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否定词＋比较级”或“否定词＋so...as
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Nothing is easier than this. ＝Nothing is so easy as this.
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比较级＋than＋any other＋单数名词/anyone else /anything else
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Bamboo has many more uses than any other plant in the world.
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never...such＋名词
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I have never seen such a beautiful scene.
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否定词＋不定冠词＋比较级＋名词
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I have never seen a better picture.
How beautifully she sings! I have never heard a better voice.
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