名詞做另一名詞的修飾語(yǔ)：
一般用單數(shù)形式，如：a college student中的college 為單數(shù)形式。
注意：
(1) 以下名詞做另一名詞修飾語(yǔ)時(shí)要用復(fù)數(shù)形式：sport → a sportsman (運(yùn)動(dòng)員)/ sale → a sales department(銷(xiāo)售部) / savings → a savings account (儲(chǔ)蓄存款)/ communication → a communications satellite (通訊衛(wèi)星) / greeting → a greetings cable(慰問(wèn)電)
(2) 不規(guī)則名詞修飾另一名詞時(shí)數(shù)的變化：a woman doctor (一個(gè)女醫(yī)生) → two women doctors (兩個(gè)女醫(yī)生) / the Chinese women's volleyball team (中國(guó)女排) / a children hospital (兒童醫(yī)院)
