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