English verb conjugation CAN FESTER

Regular verb: fester - festered - festered

Affirmation

Simple form

I can fester
you can fester
he can fester
we can fester
you can fester
they can fester

V-ing form

I can be festering
you can be festering
he can be festering
we can be festering
you can be festering
they can be festering

Perfect

I can have festered
you can have festered
he can have festered
we can have festered
you can have festered
they can have festered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I fester?
can you fester?
can he fester?
can we fester?
can you fester?
can they fester?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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