Present Perfect Tense
POSITIVE NEGATIVE
I
You
We
They
've (have) arrived.
I
You
We
They
haven't (have not) arrived.
He
She
It
's (has) gone.
He
She
It
hasn't (has not) gone.
QUESTION SHORT ANSWER
Have
I
you
we
they
arrived?
Yes,
No,
I
you

3. My elder sister has been a college student ______two years.
4. They have lived here ______ 2000.
5. She has been away ______ three days.
6. It hasn't rained in the region ______ several months.
7. She has been here ______ many years and she loves it.
8. My brother has worked in this motor company ______ he left university.
9. She hasn't seen her ______ closest friend ______ several years.
10.Jill has stayed in Ha Noi ______ six months.