这句话有语法错误吗?we have to start out early to catch the first bus to Tianjin.

这句话有语法错误吗?we have to start out early to catch the first bus to Tianjin. we need to smile to our friends for something terrible we have done.求教这句话是否有语法错误. I only want to have a world belong to us .这句话有语法错误吗 I will remember this day we start to be together!这句话有语法错误吗? I have to look after my sister at home.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 I am sorry to hear that you often have illness.这句话有语法错误吗? You have lots of things to do.这句话有语法错误吗快点回答呀 请问下面这句话有语法错误吗?I have no time to do physical exercises everyday. We are rushing the work.这句话有语法错误吗 what have you problem 是什么意思? 这句话有语法错误吗? have you go back home?这句话有语法错误吗 because I have no money?这句话有语法错误吗. Let us go have fun 这句话有语法错误吗? what we have done in the past mentions that the .这句话有语法错误么? 这句话有没有语法错误啊?We do not choose to be bornchoose to 英语：这句话有语法错误吗There have been attempts to modify the fiber chemically to resist abrasion enhancement. one of my other hobbies is take photographs so we seem to have a lot in common这句话有什么语法错误请指出来并改正.