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 couldn't piffle
you couldn't piffle
she couldn't piffle
we couldn't piffle
you couldn't piffle
they couldn't piffle

V-ing form

I couldn't be piffling
you couldn't be piffling
she couldn't be piffling
we couldn't be piffling
you couldn't be piffling
they couldn't be piffling

Perfect

I couldn't have piffled
you couldn't have piffled
she couldn't have piffled
we couldn't have piffled
you couldn't have piffled
they couldn't have piffled

V-ing perfect

I couldn't have been piffling
you couldn't have been piffling
she couldn't have been piffling
we couldn't have been piffling
you couldn't have been piffling
they couldn't 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

couldn't I piffle?
couldn't you piffle?
couldn't she piffle?
couldn't we piffle?
couldn't you piffle?
couldn't they piffle?

V-ing form

couldn't I be piffling?
couldn't you be piffling?
couldn't she be piffling?
couldn't we be piffling?
couldn't you be piffling?
couldn't they be piffling?

Perfect

couldn't I have piffled?
couldn't you have piffled?
couldn't she have piffled?
couldn't we have piffled?
couldn't you have piffled?
couldn't they have piffled?

V-ing perfect

couldn't I have been piffling?
couldn't you have been piffling?
couldn't she have been piffling?
couldn't we have been piffling?
couldn't you have been piffling?
couldn't they have been piffling?

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