请问怎么用英语鼓励差生

Hi, dear..., I know you are a clever boy/girl. You have impressed me a lot and I am very happy that you are one of my students. I am sure if you put more efforts into your future English study, you will certainly make more and more progress. I am ready to help you with your English study at any time. If you have questions in your English study, please feel free to come to me.