English verb conjugation CAN DUN

Regular verb: dun - dunned - dunned

Affirmation

Simple form

I can dun
you can dun
he can dun
we can dun
you can dun
they can dun

V-ing form

I can be dunning
you can be dunning
he can be dunning
we can be dunning
you can be dunning
they can be dunning

Perfect

I can have dunned
you can have dunned
he can have dunned
we can have dunned
you can have dunned
they can have dunned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I dun?
can you dun?
can he dun?
can we dun?
can you dun?
can they dun?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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