English verb conjugation
COULD OVERPRESSURE

Regular verb: overpressure - overpressured - overpressured

Affirmation

Simple form	V-ing form
I could overpressure you could overpressure he could overpressure we could overpressure you could overpressure they could overpressure	I could be overpressuring you could be overpressuring he could be overpressuring we could be overpressuring you could be overpressuring they could be overpressuring
Perfect	V-ing perfect
I could have overpressured you could have overpressured he could have overpressured we could have overpressured you could have overpressured they could have overpressured	I could have been overpressuring you could have been overpressuring he could have been overpressuring we could have been overpressuring you could have been overpressuring they could have been overpressuring

Negation

Simple form	V-ing form
I couldn't overpressure you couldn't overpressure he couldn't overpressure we couldn't overpressure you couldn't overpressure they couldn't overpressure	I couldn't be overpressuring you couldn't be overpressuring he couldn't be overpressuring we couldn't be overpressuring you couldn't be overpressuring they couldn't be overpressuring
Perfect	V-ing perfect
I couldn't have overpressured you couldn't have overpressured he couldn't have overpressured we couldn't have overpressured you couldn't have overpressured they couldn't have overpressured	I couldn't have been overpressuring you couldn't have been overpressuring he couldn't have been overpressuring we couldn't have been overpressuring you couldn't have been overpressuring they couldn't have been overpressuring

Interrogative form

Simple form	V-ing form
could I overpressure? could you overpressure? could he overpressure? could we overpressure? could you overpressure? could they overpressure?	could I be overpressuring? could you be overpressuring? could he be overpressuring? could we be overpressuring? could you be overpressuring? could they be overpressuring?
Perfect	V-ing perfect
could I have overpressured? could you have overpressured? could he have overpressured? could we have overpressured? could you have overpressured? could they have overpressured?	could I have been overpressuring? could you have been overpressuring? could he have been overpressuring? could we have been overpressuring? could you have been overpressuring? could they have been overpressuring?

Interro-negative form

Simple form	V-ing form
couldn't I overpressure? couldn't you overpressure? couldn't he overpressure? couldn't we overpressure? couldn't you overpressure? couldn't they overpressure?	couldn't I be overpressuring? couldn't you be overpressuring? couldn't he be overpressuring? couldn't we be overpressuring? couldn't you be overpressuring? couldn't they be overpressuring?
Perfect	V-ing perfect
couldn't I have overpressured? couldn't you have overpressured? couldn't he have overpressured? couldn't we have overpressured? couldn't you have overpressured? couldn't they have overpressured?	couldn't I have been overpressuring? couldn't you have been overpressuring? couldn't he have been overpressuring? couldn't we have been overpressuring? couldn't you have been overpressuring? couldn't they have been overpressuring?