主语是单数人称时,谓语要加s 比如,He/She 都是单数人称,或者人名Jack,Rose也都是一个人对吧?他们的谓语都是加s的. 例句:Jack wants to make friend with Rose.(杰克想跟罗斯交朋友). 复数主语后面的谓语不加s. 比如,They,或者Students这种复数名词. 例句:They tried for several times but failed in the end.(他们试了很多次但是最终还是失败了)