"You wait for the boat which will never comes." 为什么come要加s,.

"You wait for the boat which will never comes." 为什么come要加s,. Wait till your turn comes.为什么这个come要加s啊? which ones will come true?为什么one要加s The boy comes from china,为什么come后面加s? look,here comes Simon!为什么come要加S? he comes from china为什么come要加S When everyone comes home come为什么要加s I will wait for you ( ） you come back.为什么中间是untill Never wait for you Be s _______ to come here tomorrow.I will wait for you here. after the storm comes the calm 请问为什么come后为什么要加s?越详细越好, I will wait for you to come back,even though the story impos