помогите написать предложение состовляя слова: have и has, been,ing это жалгау, since)

I have been swimmig 2 hours

They have been reading for 2 weeks

это исправленный вариант

I have been swimmig for an hour(это тоже я исправила, тк то было неправильное)

He has been doing his homework for 50 min.

She has been learning Englisn since 1998. (Она учила Англ. с 1998 года)We have been playing for 15 min (Мы играли в течении 15 минут)