"To know" cannot be used in Present Perfect Continuous.
True
I think I ___ this picture before.
saw
have saw
have seen
"To own" is a dynamic verb.
False
They ___ married.
just gotten
have just goten
have just got
___ them since New Year?
Have you saw
Have you seen
Did you see
It smells awful! Who ___ here?
has been smoking
has smoked
have been smoking
She ___ a solution.
already found
has already found
have found already
I ___ to the Himalayas, but I'd like to go.
never was
have ever been
have never been
They ___ dinner for an hour.
have had
have been had
have been having
They ___ a very expensive car.
has bought
bought
have bought