my name is Amy ,I am 11 years old.In the Saturday I play computer in the home ,I sometimes swim in the Lanbowan and reading books in the home bed.in the evening i do my homework.in the Sunday I have a guitar class.in the afternoon I have a piano class.in the evening i do my homework and watch TV
点评:1.句子的首字母要大写:my-My，我的第一称I无论在句子的什么地方都要大写;2.一句话结束，用英语里的句号.;3.一些搭配不正确，如，在具体的星期几前面应用介词on,在家应说at home。
修改：
My name is Amy.I am 11 years old.
On Saturday I play computer at home.Sometimes I go swimming in Lanbowan.Sometimes I read on the bed.In the evening,I do my homework.
On Sunday I have a guitar class in the morning.In the afternoon I have a piano class.In the evening I do my homework and watch TV.I have a busy Sunday.