English verb conjugation COULD WHITER

Regular verb: whiter - whitered - whitered

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I could whiter
you could whiter
he could whiter
we could whiter
you could whiter
they could whiter

V-ing form

I could be whitering
you could be whitering
he could be whitering
we could be whitering
you could be whitering
they could be whitering

Perfect

I could have whitered
you could have whitered
he could have whitered
we could have whitered
you could have whitered
they could have whitered

V-ing perfect

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

Negation

Simple form

I couldn't whiter
you couldn't whiter
he couldn't whiter
we couldn't whiter
you couldn't whiter
they couldn't whiter

V-ing form

I couldn't be whitering
you couldn't be whitering
he couldn't be whitering
we couldn't be whitering
you couldn't be whitering
they couldn't be whitering

Perfect

I couldn't have whitered
you couldn't have whitered
he couldn't have whitered
we couldn't have whitered
you couldn't have whitered
they couldn't have whitered

V-ing perfect

I couldn't have been whitering
you couldn't have been whitering
he couldn't have been whitering
we couldn't have been whitering
you couldn't have been whitering
they couldn't have been whitering

Interrogative form

Simple form

could I whiter?
could you whiter?
could he whiter?
could we whiter?
could you whiter?
could they whiter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I whiter?
couldn't you whiter?
couldn't he whiter?
couldn't we whiter?
couldn't you whiter?
couldn't they whiter?

V-ing form

couldn't I be whitering?
couldn't you be whitering?
couldn't he be whitering?
couldn't we be whitering?
couldn't you be whitering?
couldn't they be whitering?

Perfect

couldn't I have whitered?
couldn't you have whitered?
couldn't he have whitered?
couldn't we have whitered?
couldn't you have whitered?
couldn't they have whitered?

V-ing perfect

couldn't I have been whitering?
couldn't you have been whitering?
couldn't he have been whitering?
couldn't we have been whitering?
couldn't you have been whitering?
couldn't they have been whitering?

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