English verb conjugation COULD WHIFFLE

Regular verb: whiffle - whiffled - whiffled

Affirmation

Simple form

I could whiffle
you could whiffle
she could whiffle
we could whiffle
you could whiffle
they could whiffle

V-ing form

I could be whiffling
you could be whiffling
she could be whiffling
we could be whiffling
you could be whiffling
they could be whiffling

Perfect

I could have whiffled
you could have whiffled
she 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
she could have been whiffling
we could have been whiffling
you could have been whiffling
they could have been whiffling

Negation

Simple form

I couldn't whiffle
you couldn't whiffle
she couldn't whiffle
we couldn't whiffle
you couldn't whiffle
they couldn't whiffle

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I whiffle?
could you whiffle?
could she whiffle?
could we whiffle?
could you whiffle?
could they whiffle?

V-ing form

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

Perfect

could I have whiffled?
could you have whiffled?
could she 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 she have been whiffling?
could we have been whiffling?
could you have been whiffling?
could they have been whiffling?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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