倍数表达法及比较级，最高级
两倍：twice 三/四/五倍：three/four/five times
注意：以下10结构中的倍数也可换成分数或百分数：如：one-third 三分之一； two-thirds 三分之二 ；80 percent 百分之八十。
1. A+谓语V+倍数+as+adj/adv原级+as+B
2. A+谓语V+倍数+adj/adv比较级+than+B
3. A+谓语V+倍数+the+计量名词(size/weight/length/height--)+of+B
4. The+计量名词+of+A+be+倍数+that+of+B
5. --------------倍数+what从句
6. --------------倍数+that+of+B
7. --------------倍数+as+many/much+名词复数/U+as+B
8. --------------倍数+more+名词复数/U+than+B
9. --------------倍数+compared with B
10. --------------倍数+形容词性物主代词+n
Eg. 1.This stick is three times as long as that one.这个棍子是那个的3倍长。
  2. This stick is three times longer than that one.这个棍子比那个棍子长3倍。
  3. This stick is three times the length of that one.这个棍子是那个棍子的3倍长。
  4. The length of this stick is three times that of that one.这个棍子的长度是那个的3倍。
  5. The output now is three times what it was ten yeas ago.现在的产量是十年前的3倍。
  6. The output now is three times that of 2002.现在的产量是2002年的3倍。
  7. 1)I have three times as many book as you do.我拥有的书是你的3倍多。
    2) I have three times as much money as you do.我拥有的钱是你的3倍多。
  8. 1）I have three times more books than you do.我拥有的书比你多3倍。
    2）I have three times more money than you do.我拥有的钱比你多3倍。
  9.My income has increased three times compared with ten years ago我的收入是十年前3倍
  10.1) The rat can eat food ten times their weight.田鼠能吃它们自身10倍重的食物。
      2）He earned three times my money.他赚的钱是我的三倍多。
二：原级比较：
1.A+V+as+adj/adv原级+as+B
2.A+V+as+adj原级+a/an+可数名词单数+as+B
3.---------as+many/few+名词复数+as----
4.---------as+much/few+U+as-------
5.---as many as----多达
6.---as much as----多达
7.---as high as -----高达
1）Eg. This stick is as long as that one.这个棍子和那个棍子一样长。
2）Eg. I have as big a house as you do.我有一个和你的一样大的房子。
3）Eg. I have as many book as you do.我和你有一样多的书。
4）Eg. I have as much money as you do.我和你有一样多的钱。
5）Eg. The students are as many as 1000.学生们多达1000人。
三：比较级
1.A+V+比较级+than+B
Eg, He is taller than me.  他比我高。
Eg. He is more hardworking/tired/diligent than me.他比我努力/累/勤奋。
Eg. He reacts more quickly than me.他比我反应快。
四：最高级： 主语+V+最高级+范围（in-----/of------）
Eg. He is the tallest in the classroom/of all the students.他是全班中最高的。
Eg. He is the most hardworking/tired/diligent in the classroom/of all the students.他是全班中最努力/最累的/最勤奋的。
Eg. He reacts most quickly in the classroom/ of all the students.他在所有学生中反映最快。
五：降级比较： 1.-----less+原级+than-----    2.  -----not so/as+原级+as-----
Eg. He is less hardworking than me.他不如我努力。
Eg. He is not so/as hardworking as me.他不如我努力。
六：降级最高级 ：-----the least+原级+范围。
Eg. He is least hardworking student in our classroom/of all the students.他是所有学生中最不努力的。
七：the+比较级+of the two.
Eg. He is the taller of the two (boys) 他是两个男孩中较高的那个。
八：double 1) adj 两倍的 2）vi 翻了一番 3）是--两倍
Eg. 1)My income is double yours.我的收入是你的两倍。
  2) My income has doubled recently.我的收入最近翻了一番。
  3）My income now doubles that of 2 yeas ago.我的收入是两年前的两倍。
九：be superior to 优于，胜过      be inferior to 劣于，次于
    be senior to比--年长；比--资格高；比--地位高
    be junior to比--年轻；比--资格低；比--地位低
十：1）A is to B what C is to D .“A 对于B 来说就如C 对于D 一样”
2）weight的最高级What C is to D, A is to B."A对于B来说就如C 对于D 一样"
3）What C is to D , that A is to B."A 对于B 来说就如C 对于D 一样"
Eg. A book is to the mind what food is to the body.书籍对于头脑来说，就如食物对于身体一样。
十一：比较级+and+比较级  "越来越--"
Eg. He is getting taller and taller.他长得越来越高了。
Eg. He is getting more and more hardworking.他越来越勤奋了。
Eg. He reacts more and more quickly.他反映越来越快了。
十二：the+比较级+主语+V----，the+比较级+主语+V----  “越--，就越--”
Eg. The more quickly you run, the more tired you get.你跑得越快，你就会越累。
十三：no more than +数词 “仅仅，只有” not more than+数词 “不超过，至多”
      no less than+数词 “多达，有--之多”not less than+数词 “不下于，至少”
Eg. You have no more than 10 minutes to prepare.你只有10分钟做准备。
十四：more than:
1)+n “不仅仅” 2）+数词 “超过” 3）+adj "很，非常" 4）+从句 “远非，难以”
Eg. He is more than a teacher, he is a writer, too.他不仅仅是个老师，他还是个作家。
Eg. He has worked here for more than 20 years.他在这儿工作已经超过20年了。
Eg. I'm more than glad to hear that news.听到那个消息我感到非常高兴。
Eg. This is more than I can understand.这我难以理解。
十五：more---than----
1)比----多 eg. I have more books than you do.我比你的书多。
2)比----更eg. I am more hardworking than you are.我比你更努力。
3)与其----不如---- eg. She is more sad than angry.与其说她愤怒，不如说她悲伤。
  Eg. She is more a writer than a teacher 与其说她是个教师，不如说她是个作家。
特别注意：在“与其--不如--”结构中，不能把那个more sad改为sadder.
十六：less than
1)不到，不足 eg. You are less than 20 years old.你不到20岁。
2)比--少/小  eg He eats less than me.他吃的比我少。

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