English verb conjugation COULD UM

Regular verb: um - umed - umed

Affirmation

Simple form

I could um
you could um
he could um
we could um
you could um
they could um

V-ing form

I could be uming
you could be uming
he could be uming
we could be uming
you could be uming
they could be uming

Perfect

I could have umed
you could have umed
he could have umed
we could have umed
you could have umed
they could have umed

V-ing perfect

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

Negation

Simple form

I could not um
you could not um
he could not um
we could not um
you could not um
they could not um

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I um?
could you um?
could he um?
could we um?
could you um?
could they um?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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