Translate the sentences using present perfect continuous. моя мама убирает квартиру с утра. дедушка смотрит телевизор с 6 часов. они играют волейбол с 10 лет. мы изучаем с 1998 года. она пишет это письмо весь день. они делают целый вечер. мой друг говорит о своих каникулах уже час. мы обсуждаем эту тему с 3 часов. мой брат спит в своей комнате с утра. они бегают во дворе целый день. не переводите в переводчике

My mother has been cleaning a flat since morning.
Grandpa has been watching TV since 6 o'clock.
They have been playing volleyball since 10.
We have been learning English since 1998.
She has been writing this letter all day long.
They have been doing homework the whole evening.
My friend has been telling about his holidays for an hour.
We have been discussing this issue since 3 o'clock.
My brother has been sleeping in his room since morning.
They have been running in the yard all day long.