Writing prompt: An Unforgettable Experience in My Summer Vacation

Student essay:
This is PE which unforgettable class,.
My basketball is very poor,an examination of basketball marks is 10 second. However,my basketball marks are 12 second. When I see the basketball I have a headache, and don't know anything. The teacher came me,tell me some skills,and say:failure is the mother of success. Don't give up and Practice to hard must have a good result and Believe in yourself.
I will never forget the teacher's words. After a long time of practice, my basketball marks not only improve but also basketball game is a good performance.
I feel very interesting

Corrected essay:
This was an unforgettable PE class.
My basketball skills were very poor, and my examination score for basketball was 10 seconds. However, my basketball score improved to 12 seconds. When I saw the basketball, I had a headache and didn't know anything. The teacher came to me, told me some skills and said, "Failure is the mother of success. Don't give up, and practicing hard must lead to good results. Believe in yourself."
I will never forget the teacher's words. After a long time of practice, my basketball skills not only improved but also my performance in basketball games became good. I found it very interesting.