Объяснение:
You are so tired and dirty.
What *have you been doing*? (Pr. Perfect Continuous)
I *have been painting* the walls of my room for 5 hours already. (Pr. Perfect Continuous)
But I *haven't finished* yet. (Pr. Perfect)
How long *have you been working* in this firm? (Pr. Perfect Continuous)
He *hasn't been sleeping* for 10 hours. (Pr. Perfect Continuous)
*Has she ever been* to Africa? (Pr. Perfect)
*Have they already done* their homework?
(Pr. Perfect)
Who * has broken* the window? (Pr. Perfect)
What *have they eaten* today? (Pr. Perfect)
