2012年大学英语六级语法精要：数词（下）
& d8 v6 K3 {3 t4 B/ `) E9 s序数词1 X, Q, r: @7 j" w
序数词的缩写形式： first---1st second---2nd thirty-first---31st三、 数词的用法* [2 E, `0 \% n5 R
1）倍数表示法2 |1 D1 l3 h. t/ l
a. 主语+谓语+倍数（或分数）+ as + adj. + as
- X) v2 P- R; t, _; R0 R+ ]$ X I have three times as many as you. 我有你三倍那么多。: r( x, k6 \" @8 ~; j8 x* f
b. 主语+谓语+倍数（分数）+ the size (amount，length…) of…. J4 O! {8 w* h0 x1 G$ H
The earth is 49 times the size of the moon. 地球是月球的49倍。
2 M P$ G: p8 ?- M c. 主语+谓语+倍数（分数）+ 形容词（副词）比较级+ than…& W8 q' j( g, e4 B$ e4 d9 K, J
The grain output is 8 percent higher this year than that of last year.
8 H+ x1 B G( F8 w/ t$ K5 l 今年比去年粮食产量增加8%。wｗw.ExamＷ.CoM
/ u- T( C8 c |$ W4 b p; a d. 还可以用by+倍数，表示增加多少倍
) U! a6 s$ M! X: Q5 j8 Q$ n The production of grain has been increased by four times this year.
( Q4 c4 I" z+ Q. |6 K. X7 h3 M 今年粮食产量增加了4倍。8 n5 C' a3 Q, v" g& Z/ b4 C! m
2）分数表示法
3 P! r% n! S& L7 ?2 _/ x* U; s 构成：基数词代表分子，序数词代表分母。分子大于1时，分子的序数词用单数，分母序数词用复数：" ~3 _, ^; ]* W
1/3 one-third ； 3/37 three and three-sevenths. |
发表于 2012-8-14 10:21:44
