1、倍数+as……as……

　　We have produced three times as many computers as we did last year.

　　我们生产的计算机是去年生产的三倍之多。

　　My deskmate claimed to have twice as many stamps as me.

　　我同桌声称他的邮票是我的两倍。

　　2、倍数+the size of……

　　常见的与size用法相同的名词有weight重量，height高度，depth深度，width宽度，age年龄，length长度等。

　　This city is almost twice the size of that city.在面积上这个城市是那个城市的两倍大。

　　This rope is three times the length of that one.

　　这根绳子是那根绳子的三倍长。

　　3、倍数+what从句

　　The width of the road is twice what it was three years ago.

　　这条路是三年前的两倍宽。

　　The production now is three times what it was five years ago.现在的产量是5年前的三倍。

　　4、倍数+比较级+than

　　I AM twice older than you.

　　我是你们的两倍大。

　　He has read three times more books than I have.

　　他读过的书是我读过的3倍多。

　　5、比较级+than…+by+倍数

　　The line is longer than that one by twice.

　　这根线是那根线的两倍长。

　　The time I spent is more than that，he spent by three times.

　　我花费的时间是他花费的时间的三倍。