最最常用动词第三人称单数变化形式?答:be-is,do-does, go-goes ,have-has, watch-watches,wash-washes ,fly-flies,study-studies ask-asks, look-looks, come-comes, play-plays, take-takes, climb-climbs ,teach-teaches,drink-drinks,sing-sings,make-makes, get-gets,like-likes,drive-drives,swim-swims ...