名词复数的构成法：1.一般在名词词尾加-s.如：dog-dogs,house-houses,gram-grams.2.以-o或-s,-sh,-ch及-x结尾的名词加-es构成其复数形式.如：tomato-tomatoes,kiss-kisses,watch-watches,box-boxes,bush-bushes.3.有...