Writing prompt: An Outdoor Activity

Student essay:
I'm the president of Students' Union.My name is H.This weekend,I will organize some students to take part in an outdoor activity.And I hope you could come.Studying at school laies more and more stress on us,so an outdoor activity will help us get close to nature and relaxed ourself.We can also take exercise.Only to do exercise frequently can make ue strong.
The meeting time is 7:30 and we will get toghter at the school gate.It will start at 8:00 and come to an end at 11:00.What's more,it is GM Farm which is 2 kilometers away that we will go to.Planting vegetables and watering flowers are included in teh activity.
If you could come,I will appreciate it very much.

Corrected essay:
I'm president of the Students' Union. My name is H. This weekend, I will organize some students to take part in an outdoor activity. And I hope you can come. Studying at school puts more and more pressure on us, so an outdoor activity will help us get close to nature and relax. We can also take exercise. Only by doing exercise frequently can we be made strong.
The meeting time is 7:30 a.m. and we will get together at the school gate. It will start at 8:00 a.m. and come to an end at 11:00 a.m. What's more, it is at GM Farm which is 2 kilometers away that we will go to. Planting vegetables and watering flowers are included in the activity. If you could come, I will appreciate it very much.