I swear,For the last time i won’t waste myself on you!这句话有语法错误吗?应该怎么修改?我想要的意思是：我发誓,再也不会在你身上浪费时间~

I swear,For the last time i won’t waste myself on you!这句话有语法错误吗?应该怎么修改?我想要的意思是：我发誓,再也不会在你身上浪费时间~
I swear,For the last time i won’t waste myself on you!这句话有语法错误吗?应该怎么修改?
我想要的意思是：我发誓,再也不会在你身上浪费时间~

I swear,For the last time i won’t waste myself on you!这句话有语法错误吗?应该怎么修改?我想要的意思是：我发誓,再也不会在你身上浪费时间~
I swear,I will never waste my time on you!

I swear I won't waste time on you any more.