I've already read this book. - pr.perfect
Объяснение:
My sister read this book yesterday. - past simple
He just saw his friend - p.p
We saw you two days ago. - p.s
They didn't go to Moscow last month - p.s
She's not in Moscow yet - p.p
Did he go to school last week ? - p.s
Have you been to the UK yet ? - p.p
