【可数名词变复数之规则变化】1.一般在名词词尾加-s.如：dog-dogs,house-houses,gram-grams.2.以-s,-sh,-ch及-x结尾的名词加-es构成其复数形式.如：kiss-kisses,watch-watches,box-boxes,bush-bushes.3.以-o结尾,注...