English verb conjugation
COULD EDGE

Regular verb: edge - edged - edged

Affirmation

Simple form	V-ing form
I could edge you could edge he could edge we could edge you could edge they could edge	I could be edging you could be edging he could be edging we could be edging you could be edging they could be edging
Perfect	V-ing perfect
I could have edged you could have edged he could have edged we could have edged you could have edged they could have edged	I could have been edging you could have been edging he could have been edging we could have been edging you could have been edging they could have been edging

Negation

Simple form	V-ing form
I couldn't edge you couldn't edge he couldn't edge we couldn't edge you couldn't edge they couldn't edge	I couldn't be edging you couldn't be edging he couldn't be edging we couldn't be edging you couldn't be edging they couldn't be edging
Perfect	V-ing perfect
I couldn't have edged you couldn't have edged he couldn't have edged we couldn't have edged you couldn't have edged they couldn't have edged	I couldn't have been edging you couldn't have been edging he couldn't have been edging we couldn't have been edging you couldn't have been edging they couldn't have been edging

Interrogative form

Simple form	V-ing form
could I edge? could you edge? could he edge? could we edge? could you edge? could they edge?	could I be edging? could you be edging? could he be edging? could we be edging? could you be edging? could they be edging?
Perfect	V-ing perfect
could I have edged? could you have edged? could he have edged? could we have edged? could you have edged? could they have edged?	could I have been edging? could you have been edging? could he have been edging? could we have been edging? could you have been edging? could they have been edging?

Interro-negative form

Simple form	V-ing form
couldn't I edge? couldn't you edge? couldn't he edge? couldn't we edge? couldn't you edge? couldn't they edge?	couldn't I be edging? couldn't you be edging? couldn't he be edging? couldn't we be edging? couldn't you be edging? couldn't they be edging?
Perfect	V-ing perfect
couldn't I have edged? couldn't you have edged? couldn't he have edged? couldn't we have edged? couldn't you have edged? couldn't they have edged?	couldn't I have been edging? couldn't you have been edging? couldn't he have been edging? couldn't we have been edging? couldn't you have been edging? couldn't they have been edging?