English verb conjugation COULD RIBBOR

Regular verb: ribbor - ribbored - ribbored

Affirmation

Simple form

I could ribbor
you could ribbor
she could ribbor
we could ribbor
you could ribbor
they could ribbor

V-ing form

I could be ribboring
you could be ribboring
she could be ribboring
we could be ribboring
you could be ribboring
they could be ribboring

Perfect

I could have ribbored
you could have ribbored
she 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
she could have been ribboring
we could have been ribboring
you could have been ribboring
they could have been ribboring

Negation

Simple form

I couldn't ribbor
you couldn't ribbor
she couldn't ribbor
we couldn't ribbor
you couldn't ribbor
they couldn't ribbor

V-ing form

I couldn't be ribboring
you couldn't be ribboring
she couldn't be ribboring
we couldn't be ribboring
you couldn't be ribboring
they couldn't be ribboring

Perfect

I couldn't have ribbored
you couldn't have ribbored
she couldn't have ribbored
we couldn't have ribbored
you couldn't have ribbored
they couldn't have ribbored

V-ing perfect

I couldn't have been ribboring
you couldn't have been ribboring
she couldn't have been ribboring
we couldn't have been ribboring
you couldn't have been ribboring
they couldn't have been ribboring

Interrogative form

Simple form

could I ribbor?
could you ribbor?
could she ribbor?
could we ribbor?
could you ribbor?
could they ribbor?

V-ing form

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

Perfect

could I have ribbored?
could you have ribbored?
could she 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 she have been ribboring?
could we have been ribboring?
could you have been ribboring?
could they have been ribboring?

Interro-negative form

Simple form

couldn't I ribbor?
couldn't you ribbor?
couldn't she ribbor?
couldn't we ribbor?
couldn't you ribbor?
couldn't they ribbor?

V-ing form

couldn't I be ribboring?
couldn't you be ribboring?
couldn't she be ribboring?
couldn't we be ribboring?
couldn't you be ribboring?
couldn't they be ribboring?

Perfect

couldn't I have ribbored?
couldn't you have ribbored?
couldn't she have ribbored?
couldn't we have ribbored?
couldn't you have ribbored?
couldn't they have ribbored?

V-ing perfect

couldn't I have been ribboring?
couldn't you have been ribboring?
couldn't she have been ribboring?
couldn't we have been ribboring?
couldn't you have been ribboring?
couldn't they have been ribboring?

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