I am sorry for letting you have a lonely birthday 这句话有语法错误吗

I am sorry for letting you have a lonely birthday 这句话有语法错误吗 I am sorry to hear that you often have illness.这句话有语法错误吗? I WAITING FOR YOU!这句话有语法错误吗? I'd like to invite you have a meal.这句话有语法错误吗.请改正 It is for a long time that since i left you.这句话有语法错误吗 请问,这句话有否语法错误：I'm sorry for giving you so much trouble Not only you but I am to blame as well这句话有语法错误吗? I am sorry to have kept you waiting for a long time. 这两个英文句子有什么区别 i am sorry to you i am sorry for you I am not a Chinese but a Sinaian这句话有语法错误吗? If I am the one 这句话有语法错误吗? Either or I am right这句话有语法错误吗