倍數 的用法 |三分鐘速學3種倍數的比較級句型!

倍數 在英文中的用法曾經很困擾你嗎?其實很簡單,掌握原則,3分鐘就能學會3種倍數比較的句型!

在英文中,表示 倍數的用法 有哪些?「你的衣服比我的貴二倍。」「Sandra比她兒子年紀大七倍。」這些對話在生活中很常發生,可見學習表示「倍數」的句型有很強的重要性。

倍數其實就是一種比較關係,因此會用到比較級。只要把握這個概念,記住倍數的基本結構是倍數+比較級」就能很快學會這種句型喔!

總共有三種用法,一起來三分鐘就學會倍數的句型吧!

倍數的用法

 

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表示倍數的基本結構

  1. 倍數是二個對象的比較關係,因此會以比較級句型為基底。
  2. 比較級有原級比較、more或-er級比較,二種都可改成倍數句型。第三種是用形容詞或副詞對應的名詞來形成。
  3. 形容詞或副詞都可以改成倍數句型。
  4. 表示倍數的字:half (一半)、twice (二倍)、three times (三倍)、_____ times (…倍)、several times (好幾倍)。

 

句型 1:A +V+倍數+as … as +B.

  1. 這個句型是搭配原級比較as + adj/adv/adj N + as的用法延伸。
  2. as … as之間可以放adj/adv/adj N。
  3. 有當受詞的名詞倍數比較時,必須在前面先加上形容詞,例如much food, many hamburgers。

This bridge is twice as long as that one.

(這座橋是那座橋的兩倍長。)

→ 用twice + 形容詞原級比較表示倍數

 

Rebecca weighs three times as much as her child.

(Rebecca比她孩子重三倍。)

→ 用three times + 副詞原級比較表示倍數

 

Victor ate half as many hamburgers as his cousin.

(Victor吃的漢堡是他表弟的一半。)

→ 用half+ adj N + 原級比較表示倍數

 

This building is twice as tall as the one next to it.

(這座建築比旁邊的那座高出兩倍。)

 

This textbook is half as thick as the one we used in the previous semester.

(這本教科書比我們上學期使用的那本薄一半。)

 

This jar of honey is three times as sweet as the jar I bought last week.

(這罐蜜比我上週買的那罐甜三倍。)

 

His car is twice as fast as mine, but it also consumes twice as much fuel.

(他的車比我的快兩倍,但它也要用兩倍的燃料。)

 

 

句型 2:A +V+倍數+-er/more + than +B.

  1. 這個句型是搭配-er/more比較級的用法延伸。
  2. 單音節形容詞或副詞用-er,多音節形容詞或副詞用more。
  3. 比較級可以是adj-er/adv-er/more adj/more adv。
  4. 倍數half與twice不用在這個句型。

Olivia’s room is four times larger than her sister’s.

(Olivia的房間比她姊姊的大四倍。)

→ 用four times + 形容詞-er比較表示倍數

 

Eason swims five times faster than his best friend.

(Eason的游泳速度是他最好朋友的五倍。)

→ 用five times + 副詞-er比較表示倍數

 

This sculpture is four hundred times more expensive than that oil painting.

(這雕塑比那幅油畫貴四百倍。)

→ 用400 times+ 形容詞-er比較表示倍數

→ 動詞是be動詞(is),搭配形容詞做比較。因此 is –> expensive

 

This sculpture costs four hundred times more than that oil painting.

= This sculpture costs four hundred times as much as that oil painting.

→ 動詞cost是一般動詞(V),搭配副詞做比較。因此 cost –> more (由much改來)

→ 一般動詞cost搭配副詞much

 

The white box is four times as heavy as the black box.  

(這個白箱子 比那個黑箱子重四倍。)       

→ be動詞搭配形容詞heavy

 

The white box weighs four times as much as the black box. 

(這個白箱子 比那個黑箱子重四倍。)     

→ 一般動詞搭配副詞much

 

The distance between our office and the train station is three times longer than what we expected.

(我們辦公室和火車站之間的距離是我們預期的三倍長。)

 

Her salary is five times higher than what she earned at her previous job.

(她的薪水比她之前的工作高五倍。)

 

The number of people attending the concert was ten times more than the organizer anticipated.

(參加音樂會的人數是主辦方預期的十倍。)

 

The new skyscraper is ten times taller than the old building that was there before.

(這座新摩天大樓比以前那座舊建築高十倍。)

 

Her garden is five times larger than mine, and she has so many beautiful flowers growing there.

(她的花園比我的大五倍,那裡有許多美麗的花朵。)

 

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句型 3:A +V+倍數+the N of +B.

  1. 這個句型是「形容詞或副詞對應的名詞加上of」的用法。
  2. 根據特性使用不同的對應名詞。
  3. 常用的名詞:size (尺寸)、length (長度)、width (寬度)、height (高度)、age (年紀)、price/cost (價錢)、number (數量)、speed (速度)等。
  4. 常見的代換:
  • as large as = the size of
  • as long as = the length of 
  • as wide as = the width of
  • as tall/high as = the height of
  • as old as = the age of
  • as expensive as = the price/cost of
  • as many as = the number of
  • as much as = the amount of
  • as fast as = the speed of

 

Stephanie’s hair is twice the length of her daughter’s.

= Stephanie’s hair is twice as long as her daughter’s.

(Stephanie 的頭髮是她女兒的兩倍。)

→ 用twice + the N of表示倍數

→ as long as等於the length of

 

Mason’s grandpa is six times the age of him.

= Mason’s grandpa is six times as old as him.

= Mason’s grandpa is six times older than him.

(Mason的爺爺年紀是他的六倍。)

→ 用six times + the N of表示倍數

→ as old as等於the age of

 

The tablet computer is three times the price of that cellphone.

= The tablet computer is three times as expensive as that cellphone.

= The tablet computer costs three times more than that cellphone.

(平板電腦的價格是那支手機的三倍。)

→ 用three times + the N of表示倍數

→ as expensive as等於cost more than

 

 

✏️牛刀小試 [正解在最後]

  1. This river is half _______ that one.
    (A) more narrow
    (B) wider than
    (C) as wide as
    (D) narrower than
  2. This athlete runs three times ________ his competitor.
    (A) as slow as
    (B) more slowly than
    (C) slower than
    (D) the speed
  3. Richard的房子比車子貴二十倍。
    ________________________________

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📜比較級&最高級的相關連結:

 

🔑 正解:

1. C

2. B

3. Richard’s house costs twenty times as much as his car.

= Richard’s house costs twenty times more than his car.

= Richard’s house is twenty times as expensive as his car.

= Richard’s house is twenty times the price of his car.

 

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