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 couldn't upsurge
you couldn't upsurge
he couldn't upsurge
we couldn't upsurge
you couldn't upsurge
they couldn't upsurge

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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