English verb conjugation COULD UNFOLD

Regular verb: unfold - unfolded - unfolded

Affirmation

Simple form

I could unfold
you could unfold
he could unfold
we could unfold
you could unfold
they could unfold

V-ing form

I could be unfolding
you could be unfolding
he could be unfolding
we could be unfolding
you could be unfolding
they could be unfolding

Perfect

I could have unfolded
you could have unfolded
he could have unfolded
we could have unfolded
you could have unfolded
they could have unfolded

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I unfold?
could you unfold?
could he unfold?
could we unfold?
could you unfold?
could they unfold?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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