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.