English verb conjugation COULD PIFFLE

Regular verb: piffle - piffled - piffled

Affirmation

Simple form

I could piffle
you could piffle
she could piffle
we could piffle
you could piffle
they could piffle

V-ing form

I could be piffling
you could be piffling
she could be piffling
we could be piffling
you could be piffling
they could be piffling

Perfect

I could have piffled
you could have piffled
she could have piffled
we could have piffled
you could have piffled
they could have piffled

V-ing perfect

I could have been piffling
you could have been piffling
she could have been piffling
we could have been piffling
you could have been piffling
they could have been piffling

Negation

Simple form

I could not piffle
you could not piffle
she could not piffle
we could not piffle
you could not piffle
they could not piffle

V-ing form

I could not be piffling
you could not be piffling
she could not be piffling
we could not be piffling
you could not be piffling
they could not be piffling

Perfect

I could not have piffled
you could not have piffled
she could not have piffled
we could not have piffled
you could not have piffled
they could not have piffled

V-ing perfect

I could not have been piffling
you could not have been piffling
she could not have been piffling
we could not have been piffling
you could not have been piffling
they could not have been piffling

Interrogative form

Simple form

could I piffle?
could you piffle?
could she piffle?
could we piffle?
could you piffle?
could they piffle?

V-ing form

could I be piffling?
could you be piffling?
could she be piffling?
could we be piffling?
could you be piffling?
could they be piffling?

Perfect

could I have piffled?
could you have piffled?
could she have piffled?
could we have piffled?
could you have piffled?
could they have piffled?

V-ing perfect

could I have been piffling?
could you have been piffling?
could she have been piffling?
could we have been piffling?
could you have been piffling?
could they have been piffling?

Interro-negative form

Simple form

could I not piffle?
could you not piffle?
could she not piffle?
could we not piffle?
could you not piffle?
could they not piffle?

V-ing form

could I not be piffling?
could you not be piffling?
could she not be piffling?
could we not be piffling?
could you not be piffling?
could they not be piffling?

Perfect

could I not have piffled?
could you not have piffled?
could she not have piffled?
could we not have piffled?
could you not have piffled?
could they not have piffled?

V-ing perfect

could I not have been piffling?
could you not have been piffling?
could she not have been piffling?
could we not have been piffling?
could you not have been piffling?
could they not have been piffling?

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