Объясните, , вкратце present perfect continuous) заранее

Время Present Perfect Continuous указывает на действие, которое началось в продолжалось в течение некоторого времени и либо закончилось непосредственно перед разговором или все еще продолжается в момент разговора.
Образование Present Perfect Continuous

Утвердительные предложения:

I have been playing We have been playing You have been playing You have been playing He / she / it has been playing They have been playing

Вопросительные предложения:

Have I been playing?Have we been playing?Have you been playing?Have you been playing?Has he / she / it been playing?Have they been playing?

Отрицательные предложения:

I have not been playing We have not been playing You have not been playing You have not been playing He / she / it has not been playing They have not been playing