English verb conjugation COULD UPSURGE

Regular verb: upsurge - upsurged - upsurged

Affirmation

Simple form

I could upsurge
you could upsurge
he could upsurge
we could upsurge
you could upsurge
they could upsurge

V-ing form

I could be upsurging
you could be upsurging
he could be upsurging
we could be upsurging
you could be upsurging
they could be upsurging

Perfect

I could have upsurged
you could have upsurged
he could have upsurged
we could have upsurged
you could have upsurged
they could have upsurged

V-ing perfect

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

Negation

Simple form

I could not upsurge
you could not upsurge
he could not upsurge
we could not upsurge
you could not upsurge
they could not upsurge

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I upsurge?
could you upsurge?
could he upsurge?
could we upsurge?
could you upsurge?
could they upsurge?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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