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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation CAN REFUTE

Regular verb: refute - refuted - refuted


Affirmation

Simple form
I can refute
you can refute
he can refute
we can refute
you can refute
they can refute
V-ing form
I can be refuting
you can be refuting
he can be refuting
we can be refuting
you can be refuting
they can be refuting
Perfect
I can have refuted
you can have refuted
he can have refuted
we can have refuted
you can have refuted
they can have refuted
V-ing perfect
I can have been refuting
you can have been refuting
he can have been refuting
we can have been refuting
you can have been refuting
they can have been refuting

Negation

Simple form
I cannot refute
you cannot refute
he cannot refute
we cannot refute
you cannot refute
they cannot refute
V-ing form
I cannot be refuting
you cannot be refuting
he cannot be refuting
we cannot be refuting
you cannot be refuting
they cannot be refuting
Perfect
I cannot have refuted
you cannot have refuted
he cannot have refuted
we cannot have refuted
you cannot have refuted
they cannot have refuted
V-ing perfect
I cannot have been refuting
you cannot have been refuting
he cannot have been refuting
we cannot have been refuting
you cannot have been refuting
they cannot have been refuting

Interrogative form

Simple form
can I refute?
can you refute?
can he refute?
can we refute?
can you refute?
can they refute?
V-ing form
can I be refuting?
can you be refuting?
can he be refuting?
can we be refuting?
can you be refuting?
can they be refuting?
Perfect
can I have refuted?
can you have refuted?
can he have refuted?
can we have refuted?
can you have refuted?
can they have refuted?
V-ing perfect
can I have been refuting?
can you have been refuting?
can he have been refuting?
can we have been refuting?
can you have been refuting?
can they have been refuting?

Interro-negative form

Simple form
can I not refute?
can you not refute?
can he not refute?
can we not refute?
can you not refute?
can they not refute?
V-ing form
can I not be refuting?
can you not be refuting?
can he not be refuting?
can we not be refuting?
can you not be refuting?
can they not be refuting?
Perfect
can I not have refuted?
can you not have refuted?
can he not have refuted?
can we not have refuted?
can you not have refuted?
can they not have refuted?
V-ing perfect
can I not have been refuting?
can you not have been refuting?
can he not have been refuting?
can we not have been refuting?
can you not have been refuting?
can they not have been refuting?