English verb conjugation
COULD REVENGE

Regular verb: revenge - revenged - revenged

Affirmation

Simple form	V-ing form
I could revenge you could revenge he could revenge we could revenge you could revenge they could revenge	I could be revenging you could be revenging he could be revenging we could be revenging you could be revenging they could be revenging
Perfect	V-ing perfect
I could have revenged you could have revenged he could have revenged we could have revenged you could have revenged they could have revenged	I could have been revenging you could have been revenging he could have been revenging we could have been revenging you could have been revenging they could have been revenging

Negation

Simple form	V-ing form
I couldn't revenge you couldn't revenge he couldn't revenge we couldn't revenge you couldn't revenge they couldn't revenge	I couldn't be revenging you couldn't be revenging he couldn't be revenging we couldn't be revenging you couldn't be revenging they couldn't be revenging
Perfect	V-ing perfect
I couldn't have revenged you couldn't have revenged he couldn't have revenged we couldn't have revenged you couldn't have revenged they couldn't have revenged	I couldn't have been revenging you couldn't have been revenging he couldn't have been revenging we couldn't have been revenging you couldn't have been revenging they couldn't have been revenging

Interrogative form

Simple form	V-ing form
could I revenge? could you revenge? could he revenge? could we revenge? could you revenge? could they revenge?	could I be revenging? could you be revenging? could he be revenging? could we be revenging? could you be revenging? could they be revenging?
Perfect	V-ing perfect
could I have revenged? could you have revenged? could he have revenged? could we have revenged? could you have revenged? could they have revenged?	could I have been revenging? could you have been revenging? could he have been revenging? could we have been revenging? could you have been revenging? could they have been revenging?

Interro-negative form

Simple form	V-ing form
couldn't I revenge? couldn't you revenge? couldn't he revenge? couldn't we revenge? couldn't you revenge? couldn't they revenge?	couldn't I be revenging? couldn't you be revenging? couldn't he be revenging? couldn't we be revenging? couldn't you be revenging? couldn't they be revenging?
Perfect	V-ing perfect
couldn't I have revenged? couldn't you have revenged? couldn't he have revenged? couldn't we have revenged? couldn't you have revenged? couldn't they have revenged?	couldn't I have been revenging? couldn't you have been revenging? couldn't he have been revenging? couldn't we have been revenging? couldn't you have been revenging? couldn't they have been revenging?