English verb conjugation COULD CURL

Regular verb: curl - curled - curled

Affirmation

Simple form

I could curl
you could curl
he could curl
we could curl
you could curl
they could curl

V-ing form

I could be curling
you could be curling
he could be curling
we could be curling
you could be curling
they could be curling

Perfect

I could have curled
you could have curled
he could have curled
we could have curled
you could have curled
they could have curled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I curl?
could you curl?
could he curl?
could we curl?
could you curl?
could they curl?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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