请帮我改改有什么错误,谢谢

请帮我改改有什么错误,谢谢
Three little rabbit picked a mushroom.
Two bigger rabbit made the smaller rabbit pick some potherb.
The smaller rabbit said "I don't go,you will eat my mushroom".
Two bigger rabbit said "Take easy,we won't".
So the smaller rabbit went to pick potherb.
Half a year passed,the smaller rabbit haven't came back.
The one said "He won't come back,we eat it".
The other one said"Wait again".
One year passed,the smaller rabbit haven't came back yet.
Two bigger rabbit talked we did't wait and started to eat it.
At this time the smaller rabbit suddenly jumped from the jungle and angrily said "I knew you would eat my mushroom".