主语是第三人称单数,一般现在时,后面的动词要加S/ES主语是复数(第三人称复数),BE动词用are,谓语动词(实义动词)不变如Heisastudent.Hewalkstoschooleveryday.HelikeswatchingTV.Theyarestudents.TheylikewatchingTV.Theyoftenplaybasketballafterschool.