My bigolder brother is really great in sport he andood at sports; he plays basketball and tennis . My older brother is really good at sports; he plays basketball and tennis .

big brother is a little bit informal (like something a child would say), so it is better to say older brother using the ; in the space of the "and" is a stylistic decision that makes the sentence flow better

He is really good and he make a many practice.s a lot He is really good and he practices a lot

In the morning he goes running 5.for a run at 5:00 (or 5 o'clock) and he need onlyonly needs 15 minutes. In the morning he goes for a run at 5:00 (or 5 o'clock) and he only needs 15 minutes.

you could also say he only takes 15 minutes

I am not so good .athletic. I hate sport ands, going to the gym, and i hate running . I am not so athletic. I hate sports, going to the gym, and running.

I play onlonly play in the park or of my handy. I only play in the park or of my handy.

I'm not sure what this means: "or of my handy."

In my free time I am of ywatch Youtube but bor play sports. I have I fun, it is spring and we go often go out athe school. In my free time I watch Youtube or play sports. I have fun, it is spring and we go often go out at school.

My teacher has always has funny games for us. My teacher always has funny games for us.