English verb conjugation CAN QUESTION

Regular verb: question - questioned - questioned

Affirmation

Simple form

I can question
you can question
he can question
we can question
you can question
they can question

V-ing form

I can be questioning
you can be questioning
he can be questioning
we can be questioning
you can be questioning
they can be questioning

Perfect

I can have questioned
you can have questioned
he can have questioned
we can have questioned
you can have questioned
they can have questioned

V-ing perfect

I can have been questioning
you can have been questioning
he can have been questioning
we can have been questioning
you can have been questioning
they can have been questioning

Negation

Simple form

I can't question
you can't question
he can't question
we can't question
you can't question
they can't question

V-ing form

I can't be questioning
you can't be questioning
he can't be questioning
we can't be questioning
you can't be questioning
they can't be questioning

Perfect

I can't have questioned
you can't have questioned
he can't have questioned
we can't have questioned
you can't have questioned
they can't have questioned

V-ing perfect

I can't have been questioning
you can't have been questioning
he can't have been questioning
we can't have been questioning
you can't have been questioning
they can't have been questioning

Interrogative form

Simple form

can I question?
can you question?
can he question?
can we question?
can you question?
can they question?

V-ing form

can I be questioning?
can you be questioning?
can he be questioning?
can we be questioning?
can you be questioning?
can they be questioning?

Perfect

can I have questioned?
can you have questioned?
can he have questioned?
can we have questioned?
can you have questioned?
can they have questioned?

V-ing perfect

can I have been questioning?
can you have been questioning?
can he have been questioning?
can we have been questioning?
can you have been questioning?
can they have been questioning?

Interro-negative form

Simple form

can't I question?
can't you question?
can't he question?
can't we question?
can't you question?
can't they question?

V-ing form

can't I be questioning?
can't you be questioning?
can't he be questioning?
can't we be questioning?
can't you be questioning?
can't they be questioning?

Perfect

can't I have questioned?
can't you have questioned?
can't he have questioned?
can't we have questioned?
can't you have questioned?
can't they have questioned?

V-ing perfect

can't I have been questioning?
can't you have been questioning?
can't he have been questioning?
can't we have been questioning?
can't you have been questioning?
can't they have been questioning?

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