There's no one home. They/ go/ to Italy/ already
They have already gone to Italy.
They/ not/ play travel/ since last summer
They haven't traveled since last summer.
We/not/see/ each other/ for a long time
We haven't seen each other for a long time.
The show/start/ just
The show has just started.
She/work/ on her computer/ for 3 hours
She has worked on her computer for 3 hours.
He/ eat/ the whole pizza/ just
He has just eaten the whole pizza.
you/visit/ the Art Gallery/ yet?
Have you visited the Art Gallery yet?
We/live/ in this flat/ since we got married
We have lived in this flat since we got married.
He/work/here/for/2 years
He has worked here for 2 years.
I/ see/ this movie/ twice/ already
I have already seen this movie twice.
I/ not/ take a photo/yet
I haven't taken a photo yet.