English verb conjugation
COULD VERGE

Regular verb: verge - verged - verged

Affirmation

Simple form	V-ing form
I could verge you could verge he could verge we could verge you could verge they could verge	I could be verging you could be verging he could be verging we could be verging you could be verging they could be verging
Perfect	V-ing perfect
I could have verged you could have verged he could have verged we could have verged you could have verged they could have verged	I could have been verging you could have been verging he could have been verging we could have been verging you could have been verging they could have been verging

Negation

Simple form	V-ing form
I couldn't verge you couldn't verge he couldn't verge we couldn't verge you couldn't verge they couldn't verge	I couldn't be verging you couldn't be verging he couldn't be verging we couldn't be verging you couldn't be verging they couldn't be verging
Perfect	V-ing perfect
I couldn't have verged you couldn't have verged he couldn't have verged we couldn't have verged you couldn't have verged they couldn't have verged	I couldn't have been verging you couldn't have been verging he couldn't have been verging we couldn't have been verging you couldn't have been verging they couldn't have been verging

Interrogative form

Simple form	V-ing form
could I verge? could you verge? could he verge? could we verge? could you verge? could they verge?	could I be verging? could you be verging? could he be verging? could we be verging? could you be verging? could they be verging?
Perfect	V-ing perfect
could I have verged? could you have verged? could he have verged? could we have verged? could you have verged? could they have verged?	could I have been verging? could you have been verging? could he have been verging? could we have been verging? could you have been verging? could they have been verging?

Interro-negative form

Simple form	V-ing form
couldn't I verge? couldn't you verge? couldn't he verge? couldn't we verge? couldn't you verge? couldn't they verge?	couldn't I be verging? couldn't you be verging? couldn't he be verging? couldn't we be verging? couldn't you be verging? couldn't they be verging?
Perfect	V-ing perfect
couldn't I have verged? couldn't you have verged? couldn't he have verged? couldn't we have verged? couldn't you have verged? couldn't they have verged?	couldn't I have been verging? couldn't you have been verging? couldn't he have been verging? couldn't we have been verging? couldn't you have been verging? couldn't they have been verging?