English verb conjugation COULD WHIFFLE

Regular verb: whiffle - whiffled - whiffled

Affirmation

Simple form

I could whiffle
you could whiffle
he could whiffle
we could whiffle
you could whiffle
they could whiffle

V-ing form

I could be whiffling
you could be whiffling
he could be whiffling
we could be whiffling
you could be whiffling
they could be whiffling

Perfect

I could have whiffled
you could have whiffled
he could have whiffled
we could have whiffled
you could have whiffled
they could have whiffled

V-ing perfect

I could have been whiffling
you could have been whiffling
he could have been whiffling
we could have been whiffling
you could have been whiffling
they could have been whiffling

Negation

Simple form

I could not whiffle
you could not whiffle
he could not whiffle
we could not whiffle
you could not whiffle
they could not whiffle

V-ing form

I could not be whiffling
you could not be whiffling
he could not be whiffling
we could not be whiffling
you could not be whiffling
they could not be whiffling

Perfect

I could not have whiffled
you could not have whiffled
he could not have whiffled
we could not have whiffled
you could not have whiffled
they could not have whiffled

V-ing perfect

I could not have been whiffling
you could not have been whiffling
he could not have been whiffling
we could not have been whiffling
you could not have been whiffling
they could not have been whiffling

Interrogative form

Simple form

could I whiffle?
could you whiffle?
could he whiffle?
could we whiffle?
could you whiffle?
could they whiffle?

V-ing form

could I be whiffling?
could you be whiffling?
could he be whiffling?
could we be whiffling?
could you be whiffling?
could they be whiffling?

Perfect

could I have whiffled?
could you have whiffled?
could he have whiffled?
could we have whiffled?
could you have whiffled?
could they have whiffled?

V-ing perfect

could I have been whiffling?
could you have been whiffling?
could he have been whiffling?
could we have been whiffling?
could you have been whiffling?
could they have been whiffling?

Interro-negative form

Simple form

could I not whiffle?
could you not whiffle?
could he not whiffle?
could we not whiffle?
could you not whiffle?
could they not whiffle?

V-ing form

could I not be whiffling?
could you not be whiffling?
could he not be whiffling?
could we not be whiffling?
could you not be whiffling?
could they not be whiffling?

Perfect

could I not have whiffled?
could you not have whiffled?
could he not have whiffled?
could we not have whiffled?
could you not have whiffled?
could they not have whiffled?

V-ing perfect

could I not have been whiffling?
could you not have been whiffling?
could he not have been whiffling?
could we not have been whiffling?
could you not have been whiffling?
could they not have been whiffling?

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