Eu gostaria de saber se este texto está correto, se não por favor ajude-me.
Do not feel that way. It is sad to see you in this situation. Lift up your head and move on.
If you want to become a great student who always reaches good grades. You need to study hard, almost from Monday to Monday. Besides having to pay attention in class and ask questions there during class.
Moreover, you need to be determined while you are studying not do something else, just study.
Plan ahead, it's no use you study at the last minute, as you have done in recent tests.
One day before the test, do exercises the same content of the test.
Take my tips to be a good student.