Составьте 10 предложений в Present Perfect

They have just left for London.

I have already done my homework.

She has bought a new computer today.

They haven't come home from school yet.

Mary has already read this book.

I have just phoned my grandmother.

We haven't translated the text yet, it is too long and difficult.

I have already found information for my report in history.

He has already walked his dog.

Have you already seen this film?

They recently moved to a new flat.