eat 、buy、 sleep、 meet、 grow、drink、see、take、bring、tour、learn 的第三人称单数形式和现在分词

eat - eats - eating
buy - buys - buying
sleep - sleeps - sleeping
meet - meets - meeting
grow- grows - growing
drink- drinks - drinking
see- sees - seeing
take- takes -taking
bring- brings- bringing
tour- tours- touring
learn- learns -learning
都直接加s构成第三人称单数,除了take是去e加ing 外,其他都直接加ing