Indefinite
Present
(do) (does)
Continuous
ⱱ
(s)
I usually ask many questions
Past
(did)
ⱱ
2
Yesterday I asked him a question.
Future
will
ⱱ
I will ask him tomorrow.
am is are
Perfect
ⱱ
ing
I am asking them some questions now.
was were
ⱱ
ing
I was asking questions when he came.
will be
ⱱ
ing
They will be asking questions all day.
have has
Perfect Continuous
ⱱ
3
I have asked you a question, please answer.
had
ⱱ
3
I had asked that question twice before she explained everything.
will have
ⱱ
3
I will not have answered all your questions by midnight.
have been has been
ⱱ
ing
I have been asking questions since morning.
had been
ⱱ
ing
I had been asking them questions for an hour before they confessed.
will have been
ⱱ
ing
When the lawyer came, they will have been asking question for 2 hours.