可数名词-单数变复数.ppt

可数名词-单数变复数,bird birdsorange orangesruler rulersclass classesglass glasses fox foxes,一般在结尾加 s,词尾为s,x,sh,ch,加es,watch,box,fish.,city citiesbaby babiesduty duties boy boys day daysmonkey monkeys,可数名词-单数变复数,辅音+y,变y为i,加es,元音+y,只加s,story,dictionary,family,diary.,knife kniveswolf wolveswife wivesleaf leavesshelf shelves 美国黑人和英雄爱吃土豆和西红柿。negro,hero,potato,tomato 复数+es 其余o结尾的词加s,可数名词-单数变复数,以fe,f结尾，变fe,f为v,加es,单复数同形：Chinese，deer,sheep,Japanese,只有复数形式的名词：trousers，glasses不规则的复数变化：foot feet child children mouse mice man men woman women tooth teech.,可数名词-单数变复数,