could overpressure
Regular verb: overpressure - overpressured- overpressured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?