帮忙改下英语作文错的地方

William is my good friend,I like him very much,because he is very enthusiastic.He often helps the students solve their difficulties,including me.
Two years ago,I rode my bike to home,because of I was not careful,I fell and then I felt my feet very painful,and couldn't move.When I was helpless,my classmate William met me.He immediately helped me to stand up and gave me a foot massage.I was very moved and didn't know what to say.he might let me always unforgettable.At the same time,we become good friends
时态多处有错,不过有些词写得不错,仔细看看与原文有啥不一样吧,加油!