English verb conjugation CAN PIFFLE

Regular verb: piffle - piffled - piffled

Affirmation

Simple form

I can piffle
you can piffle
he can piffle
we can piffle
you can piffle
they can piffle

V-ing form

I can be piffling
you can be piffling
he can be piffling
we can be piffling
you can be piffling
they can be piffling

Perfect

I can have piffled
you can have piffled
he can have piffled
we can have piffled
you can have piffled
they can have piffled

V-ing perfect

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

Negation

Simple form

I cannot piffle
you cannot piffle
he cannot piffle
we cannot piffle
you cannot piffle
they cannot piffle

V-ing form

I cannot be piffling
you cannot be piffling
he cannot be piffling
we cannot be piffling
you cannot be piffling
they cannot be piffling

Perfect

I cannot have piffled
you cannot have piffled
he cannot have piffled
we cannot have piffled
you cannot have piffled
they cannot have piffled

V-ing perfect

I cannot have been piffling
you cannot have been piffling
he cannot have been piffling
we cannot have been piffling
you cannot have been piffling
they cannot have been piffling

Interrogative form

Simple form

can I piffle?
can you piffle?
can he piffle?
can we piffle?
can you piffle?
can they piffle?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can I not piffle?
can you not piffle?
can he not piffle?
can we not piffle?
can you not piffle?
can they not piffle?

V-ing form

can I not be piffling?
can you not be piffling?
can he not be piffling?
can we not be piffling?
can you not be piffling?
can they not be piffling?

Perfect

can I not have piffled?
can you not have piffled?
can he not have piffled?
can we not have piffled?
can you not have piffled?
can they not have piffled?

V-ing perfect

can I not have been piffling?
can you not have been piffling?
can he not have been piffling?
can we not have been piffling?
can you not have been piffling?
can they not have been piffling?

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