请帮我看看下面这一段英文有没有语法错误,

问题描述:

请帮我看看下面这一段英文有没有语法错误,
The fifteen years time has flied,once I had thought that I was destined to drift all my life.However,I never expected to have my own family like this,thank you for giving me the stable life that I really want.

Fifteen years flied,once I had thought that I was destined to drift all my life.However,I never expected to have my own family like this,thank you for giving me the stable life that I really want.