English verb conjugation
COULD EDGE

Regular verb: edge - edged - edged

Affirmation

Simple form	V-ing form
I could edge you could edge she could edge we could edge you could edge they could edge	I could be edging you could be edging she 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 she 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 she 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 she 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 she 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 she 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 she 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 she edge? could we edge? could you edge? could they edge?	could I be edging? could you be edging? could she 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 she 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 she 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 she 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 she 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 she 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 she have been edging? couldn't we have been edging? couldn't you have been edging? couldn't they have been edging?