【正文】
合成詞單復(fù)數(shù)變化規(guī)則 1)以不可數(shù)名詞結(jié)尾的復(fù)合名詞無(wú)復(fù)數(shù)形式。例如:homework, newspaper等。 2)以man或woman為前綴的名詞變復(fù)數(shù)時(shí),前后兩個(gè)名詞都變成復(fù)數(shù)。例如:woman doctor→women doctors, man waiter→men waiters. 3)以“可數(shù)名詞+介詞(短語(yǔ))”構(gòu)成的復(fù)合名詞變復(fù)數(shù)時(shí),把名詞變復(fù)數(shù)。例如:fath erinlaw→fathersinlaw. 4)以“動(dòng)詞/過(guò)去分詞+副詞”構(gòu)成的復(fù)合名詞變復(fù)數(shù)時(shí),在詞尾加s。例如:grownup→ grownups, standby→standbys. 二十三、集合名詞單復(fù)數(shù)變化 有些名詞為單數(shù)形式,但做整體概念來(lái)看待,稱為集合名詞或集體名詞,如:people police cattle,其謂語(yǔ)動(dòng)詞一般用復(fù)數(shù)。有些名詞為單數(shù)形式,做整體概念來(lái)看待時(shí),謂語(yǔ)動(dòng)詞用單數(shù)。強(qiáng)調(diào)整體中具體人或事物時(shí),謂語(yǔ)動(dòng)詞用復(fù)數(shù)。如:class, family, audience, mittee, army.【例句】 1) The class are doing experiments on heat and light in the lab. 2) A large class is like a big banquet, which requires a teacher to make full pr eparation and have good performance. 集體名詞,以單數(shù)形式出現(xiàn),但實(shí)為復(fù)數(shù)。例如: people police cattle 等本身就是復(fù)數(shù),不能說(shuō) a people,a police,a cattle,但可以說(shuō)a person,a policeman,a head of cattle, the English,the British,the French,the Chinese,the Japanese,the Swiss 等名詞,表示國(guó)民總稱時(shí),作復(fù)數(shù)用,如The Chinese are industries and brave. 中國(guó)人民是勤勞勇敢的。