英语倍数表达法基本句型

发布 2021-04-01 05:52:28 阅读 6041

一。 表达倍数的三个基本句型。

1.“a+be动词/谓语动词+倍数+as+形容词/副词原级+as+b”,表示“a正好是b的多少倍”。例如:

asia is four times as large as europe.

亚洲的面积是欧洲的四倍。

this big stone is three times as he**y as that one.

这块大石头的重量是那块的三倍。

the plane flew ten times as high as the kite.

那架飞机的飞行高度是那只风筝的十倍。

2.“a+be动词/谓语动词+倍数+形容词/副词比较级+than+b”,表示“a比b大(长、高、宽等)多少倍”。例如:

this rope is twice longer than that one.

这根绳子比那根绳子长两倍(是那根绳子三倍长)。

this hall is five times bigger than our classroom.

这个大厅比我们的教室大五倍(是我们教室的六倍大)。

the car runs twice faster than that truck.

这辆小车的速度比那辆卡车快两倍(是那辆卡车的三倍快)。

3.“a+be动词+倍数+the size/height/length/width, etc+of+b”,表示“a正好是b的多少倍”。例如:

this street is four times the length of that one.这条街是那条街的四倍长。

this hill is four times the height of that small one.这座山的高度是那座小山的四倍。

除表达倍数的三个基本句型外,我们还要掌握其基本句型的7种变形。

1.“.times as many/much+名词+as+被比对象”。例如:

there is four times as much water in this pot as in that one.这个壶里装的水是那个壶里的四倍。

there are six times as many students as we expected.学生数量是我们预期的六倍。

2.“.times+more+名词(可数或不可数)+than+被比对象”。例如:

there are five times more books in our library than in yours.我们图书馆里的书比你们图书馆多五倍多。

we h**e produced twice more grain this year than we did last year.

我们今年生产的粮食是去年的两倍多。

3.“.times+over+被比对象”。例如:

the grain output in that village is twice over that of 2002.

那个村的粮食产量是的两倍多。

4.“.times+that+of+被比对象”。例如:

in this workshop, the output of july was 4.5 times that of january.

这个车间7月份的产量是1月份的4.5倍。

5.“.times+compared with+被比对象”。例如:

the number of the students in our school has increased 4 times compared with 1980.

我们学校的学生人数比2024年增加了四倍。

6.“.times+what+从句”。例如:

the production is now three times what it was ten years ago.

现在的产量是十年前的三倍。

二。 用double表示倍数。

1. double用作形容词,表示“两倍的”。例如:

the production is now double what it was ten years ago.

现在的产量是十年前的两倍。

2. double用作动词,表示“是……的两倍。例如:

the output has been doubled in the past six years.

在过去六年中产量已经翻了一番。

this brought a steady rise in the grain yield. in 2002 it nearly doubled that of 1980.

这使粮食产量不断增长。到产量已经比2024年将近翻了两番。

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