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 cannot question
you cannot question
he cannot question
we cannot question
you cannot question
they cannot question

V-ing form

I cannot be questioning
you cannot be questioning
he cannot be questioning
we cannot be questioning
you cannot be questioning
they cannot be questioning

Perfect

I cannot have questioned
you cannot have questioned
he cannot have questioned
we cannot have questioned
you cannot have questioned
they cannot have questioned

V-ing perfect

I cannot have been questioning
you cannot have been questioning
he cannot have been questioning
we cannot have been questioning
you cannot have been questioning
they cannot 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 I not question?
can you not question?
can he not question?
can we not question?
can you not question?
can they not question?

V-ing form

can I not be questioning?
can you not be questioning?
can he not be questioning?
can we not be questioning?
can you not be questioning?
can they not be questioning?

Perfect

can I not have questioned?
can you not have questioned?
can he not have questioned?
can we not have questioned?
can you not have questioned?
can they not have questioned?

V-ing perfect

can I not have been questioning?
can you not have been questioning?
can he not have been questioning?
can we not have been questioning?
can you not have been questioning?
can they not have been questioning?

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