Present perfect continuous. я делаю уже два часа. он живет в минске с 2000 года. я уже 3 года изучаю испанский язык. писатель пишет роман уже 4 месяца. я уже 15 минут пытаюсь решить эту . перевод

I have been doing my homework for 2 hours.

He has been living in Minsk since 2000 year.

I have been learning Spanish for 3 years.
A writer has been writing a novel for 4 month.

I have been trying to solve the exercise for 15 minutes.