English verb conjugation COULD RIBBOR

Regular verb: ribbor - ribbored - ribbored

Affirmation

Simple form

I could ribbor
you could ribbor
he could ribbor
we could ribbor
you could ribbor
they could ribbor

V-ing form

I could be ribboring
you could be ribboring
he could be ribboring
we could be ribboring
you could be ribboring
they could be ribboring

Perfect

I could have ribbored
you could have ribbored
he could have ribbored
we could have ribbored
you could have ribbored
they could have ribbored

V-ing perfect

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

Negation

Simple form

I could not ribbor
you could not ribbor
he could not ribbor
we could not ribbor
you could not ribbor
they could not ribbor

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I ribbor?
could you ribbor?
could he ribbor?
could we ribbor?
could you ribbor?
could they ribbor?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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