English verb conjugation COULD WITHER

Regular verb: wither - withered - withered

Affirmation

Simple form

I could wither
you could wither
he could wither
we could wither
you could wither
they could wither

V-ing form

I could be withering
you could be withering
he could be withering
we could be withering
you could be withering
they could be withering

Perfect

I could have withered
you could have withered
he could have withered
we could have withered
you could have withered
they could have withered

V-ing perfect

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

Negation

Simple form

I could not wither
you could not wither
he could not wither
we could not wither
you could not wither
they could not wither

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I wither?
could you wither?
could he wither?
could we wither?
could you wither?
could they wither?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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