Ответ:

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