1.?用形容詞表示甲是乙的幾倍時,用下面三個句型,用副詞表示則一般只用前兩個句型。
(1)……倍數(shù)+形容詞(或副詞)的比較級+than
This?rope?is?twice?longer?than?that?one.這根繩的長度是那根繩的三倍。(比那根繩長二倍)
This?hall?is?five?times?bigger?than?our?classroom.這個大廳比我們的教室大五倍。(是我們教室的六倍)
The?car?runs?twice?faster?than?that?truck.這輛小車的速度比那輛卡車快兩倍。(是那輛卡車的三倍)
(2)……倍數(shù)+as+形容詞(或?much)或副詞+as
Asia?is?four?times?as?large?as?Europe.亞洲的面積是歐洲的四倍。
This?big?stone?is?three?times?as?heavy?as?that?one.這塊大石頭的重量是那一塊的三倍。(這塊石頭比那塊重二倍)
The?plane?flew?ten?times?as?high?as?the?kite.那架飛機飛行高度是那個風箏的十倍。(高出九倍)
(3)……倍數(shù)+the?size(length,height…)of
This?street?is?four?times?the?length?of?that?street.這條街是那條街的四倍長。
This?hill?is?four?times?the?height?of?that?small?one.這座山的高度是那座小山的四倍。(比那座小山高三倍)
也可用:The?height?of?this?hill?is?four?times?that?of?that?small?one.
?
2.?要用名詞表示“量”的倍數(shù)時,則用以下兩個句型:
(1)……倍數(shù)+more+名詞(可數(shù),不可數(shù))+than
There?are?four?times?more?books?in?our?library?than?in?yours.我們圖書館藏書(數(shù)量)是你們圖書館藏書的四倍。(我們圖書館藏書
比你們的多三倍。)
We?have?produced?twice?more?grain?this?year?than?we?did?last?year.我們今年生產(chǎn)的糧食比去年增長一倍。(是去年的兩倍)
(2)……倍數(shù)+as?many(或much)+名詞+其他+as…
After?the?technique?was?introduced,the?factory?produced?twice?as?many?tractors?in?1988?as?the?year?before.采用新的技術以后
,那個工廠1988年生產(chǎn)的拖拉機是前一年(1987年)的兩倍。(比前一年增長一倍)
There?is?three?times?as?much?water?in?this?pot?as?in?that?one.這個壺里的水(量)是那個壺里的三倍。