第一章名词一、名词的分类:名词就其词汇意义可分为专有名词和普通名词
普通名词又可分为可数名词和不可数名词
专有名词:BeijingSmiththeUnitedNations个体名词:man,expert,factory可数名词集合名词:audience(观众),class,family普通名词:物质名词:water,coal,rice不可数名词抽象名词:surprise,honour,help二、可数名词的复数形式1.一般情况,直接加-s
port(港口)→ports;technique(技术)—techniques2.以s,x,ch,sh结尾发[s]、[∫]、[t∫]、[dЗ]音的词,加—esbus—buses,box—boxes,bush—bushesbranch—branches,stomach—stomachs(stomach词尾发k,故复数直接加-s)3.辅音字母+y,变y为i,加-esuniversity—universitiesy前为元音字母,直接加-sboy—boys4.以O结尾加-eshero—heroesO前为元音字母,及部分外来词直接加-szoo—zoosradio—radiopiano—pianosphoto—photos5.以f或fe结尾,变f或fe为v,再加-esleaf—leaveswife—wives※以下f结尾单词直接加-sbelief—beliefs(信念)roof—roofs(屋顶)proof—proofs(证据)safe—safes(保险柜)chief—chiefs(首领)gulf—gulfs(海湾)6.不规则名词man—men,woman—women,foot—feet,tooth—teeth,goose—geese,mouse—mice,child—children,ox—oxen注1:有些可数名词的单复数相同,要根据上下文的意义