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1、名词单复数变化规则,可数名词,1) 一般情况加s例如:map-maps boy-boys girl-girls pen-pens bag-bags car-cars(清辅音后读/s/,浊辅音和元音后读/z/,/s/、/z/、/d/等音后发/iz/)2) 以s, sh, ch, x结尾加es,读/iz/。以th结尾的单词直接加s。例如:bus-buses watch-watches box-boxes brush-brushes3) 以辅音字母+y结尾,变y为i再加es,读/iz/。例如:baby-babies city-cities country-countries,可数名词,4) 以元音字
2、母+y结尾的名词或以y结尾的专有名词复数时,直接加s,读/z/monkey-monkeysholiday-holidays Mary-Marys(专有名词)5) 以辅音+o结尾无生命的名词,直接加s,读/z/.例如:piano-pianos photo-photos 以辅音+o结尾有生命(包括动植物)的名词,加es,读/iz/.例如:hero-heroes nigro-nigroes tomato-tomatoes potato-potatoes6)有些以f或fe结尾的,把f或fe变v加es,例如:leaf-leaves shelf-shelves,练 习,把下列单词的单数形式变为复数map
3、boy watch bag bus baby leaf box tomato monkey car holiday life month kilo chinese story child knife brush mouse sheep hero self foot thief photo family,maps boys watches bags buses babies leaves boxes tomatoes monkeys cars holidays lives months kilos chinese stories children knives brushes mice sheep heroes selves feet thieves photos families,