Utilice el verbo en present perfect que corresponde. Para los detalles vea capítulo 8. Utilice los verbos to change, to show, to ask, to stand, to go, to know, to want, to be, to try, to purchase
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He
away all morning, he arrived two minutes ago.
We
the lady over there where to find the museum.
You
this friend of yours already for years.
She
to come here since last May.
I
the tyres of my car all alone.
He
to the doctor's; you should be able to find him there.
They
the same movie in the theatre now for already three weeks.
She asked him whether he
the other key.
We
this house at a very nice price.
Please do not touch this table, it
here for more than 300 years already.