其他應(yīng)注意的數(shù)的表達(dá)形式
1)a three-year-old boy 比較The boy is three years old
2) five thousand people/several thousand people比較 thousands of people
表達(dá)具體數(shù)字時，thousand不加 "s"，后面不加 "of "; ten,million,billion情況以此類推。
3) One-third of the students have passed College English Test Band IV.
Two-thirds of the students have passed College English Test Band IV.
One-third of the population in this area is living below the poverty line.
(這個地區(qū)有1/3人口生活在貧困線以下。)
注意：幾分之幾的表達(dá)形式;動詞的單復(fù)數(shù)由后面的名詞數(shù)決定。
4) a looker-on 比較two lookers-on(旁觀者)/a brother-in-law比較two brothers-in-law(姻親兄弟)
5) my father,together with (along with/with/as well as my mother and brothers) 結(jié)構(gòu)中，主語作單數(shù)處理，即my father
