English verb conjugation COULD UMBER

Regular verb: umber - umbered - umbered

Affirmation

Simple form

I could umber
you could umber
he could umber
we could umber
you could umber
they could umber

V-ing form

I could be umbering
you could be umbering
he could be umbering
we could be umbering
you could be umbering
they could be umbering

Perfect

I could have umbered
you could have umbered
he could have umbered
we could have umbered
you could have umbered
they could have umbered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I umber?
could you umber?
could he umber?
could we umber?
could you umber?
could they umber?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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