大家好！
请大家帮我看一下这3个句子，有没文法错误！
如果全对，也麻烦您帮我注记一下！
不然我也不清楚是没人看还是没错，
谢谢！
1.Here are 3 pens. One is mine,and the others are hers.
2.These are my hands. One is my right hand,and the other is my left
hand.
3.This is my hand,and it has 5 fingers. One is thumb,another is index
finger,another is middle finger,another is ring finger,and the
other is little finger.