Writing prompt: Let's Do Exercise Together

Student essay:
Exercise is good. It can keep fit for we. It can train a person's character, so it is good. If you have no time to exercise , then you can have go to school on foot. You can play basketball. And weekend go climb mountain.

Corrected essay:
Exercise is good. It can keep us fit. It can train a person's character, so it is good. If you have no time to exercise, then you can go to school on foot. You can play basketball. And on weekends, go to climb a mountain.