找出错误并改正,verb tense corrections.
问题描述：
找出错误并改正,verb tense corrections.
Sarah is go to a doctor's appointment next Tuesday.
You have broken the vase while you clean the table a week ago.
I know my best friend for ten years.
Please stop talking! I write my essay.
答
Sarah is going to a doctor's appointment next Tuesday.
You broke the vase while you were cleaning the table a week ago.
I have known my best friend for ten years.
Please stop talking!I am writing my essay.