English verb conjugation COULD RIVE

Irregular verb: rive - rived - rived, riven

Affirmation

Simple form

I could rive
you could rive
he could rive
we could rive
you could rive
they could rive

V-ing form

I could be riving
you could be riving
he could be riving
we could be riving
you could be riving
they could be riving

Perfect

I could have rived, riven
you could have rived, riven
he could have rived, riven
we could have rived, riven
you could have rived, riven
they could have rived, riven

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

I couldn't have rived, riven
you couldn't have rived, riven
he couldn't have rived, riven
we couldn't have rived, riven
you couldn't have rived, riven
they couldn't have rived, riven

V-ing perfect

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

Interrogative form

Simple form

could I rive?
could you rive?
could he rive?
could we rive?
could you rive?
could they rive?

V-ing form

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

Perfect

could I have rived, riven?
could you have rived, riven?
could he have rived, riven?
could we have rived, riven?
could you have rived, riven?
could they have rived, riven?

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

couldn't I have rived, riven?
couldn't you have rived, riven?
couldn't he have rived, riven?
couldn't we have rived, riven?
couldn't you have rived, riven?
couldn't they have rived, riven?

V-ing perfect

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

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