Pr.Simple: I play computer a lot. I ride a bicycle. She goes to school.
Pr.Progressive: I am playing a football. I am helping my mother. He is walking with his dog.
Pr. Perfect: I have ridden bicycle since I was 5. She has studied English since she was 6. I have played computer games since I was 9.
Pr. Perfect Progressive: I have been learning a lot last week. My sister has been riding a bicycle this week. my mother has been working a lot this month.
