当数字或字母作主语时,看作第三人称单数。动词第三人称单数的变化规则及发音规律 大多数动词在词尾加“S”在清辅音后发音为[s],在浊辅音及元音后发音为 [z]。①stop-stops [s] ; make-makes [s]②read-reads [z] ; play-plays [z]以辅音字母加“y”结尾的,要先将“y”变为“i”,然后在加“es”读[iz] 如: fly-flies [z];carry-carries [z]study-studies [z]; worry-worries