English verb conjugation
COULD BIRD-DOG

Regular verb: bird-dog - bird-doged - bird-doged

Affirmation

Simple form	V-ing form
I could bird-dog you could bird-dog she could bird-dog we could bird-dog you could bird-dog they could bird-dog	I could be bird-doging you could be bird-doging she could be bird-doging we could be bird-doging you could be bird-doging they could be bird-doging
Perfect	V-ing perfect
I could have bird-doged you could have bird-doged she could have bird-doged we could have bird-doged you could have bird-doged they could have bird-doged	I could have been bird-doging you could have been bird-doging she could have been bird-doging we could have been bird-doging you could have been bird-doging they could have been bird-doging

Negation

Simple form	V-ing form
I could not bird-dog you could not bird-dog she could not bird-dog we could not bird-dog you could not bird-dog they could not bird-dog	I could not be bird-doging you could not be bird-doging she could not be bird-doging we could not be bird-doging you could not be bird-doging they could not be bird-doging
Perfect	V-ing perfect
I could not have bird-doged you could not have bird-doged she could not have bird-doged we could not have bird-doged you could not have bird-doged they could not have bird-doged	I could not have been bird-doging you could not have been bird-doging she could not have been bird-doging we could not have been bird-doging you could not have been bird-doging they could not have been bird-doging

Interrogative form

Simple form	V-ing form
could I bird-dog? could you bird-dog? could she bird-dog? could we bird-dog? could you bird-dog? could they bird-dog?	could I be bird-doging? could you be bird-doging? could she be bird-doging? could we be bird-doging? could you be bird-doging? could they be bird-doging?
Perfect	V-ing perfect
could I have bird-doged? could you have bird-doged? could she have bird-doged? could we have bird-doged? could you have bird-doged? could they have bird-doged?	could I have been bird-doging? could you have been bird-doging? could she have been bird-doging? could we have been bird-doging? could you have been bird-doging? could they have been bird-doging?

Interro-negative form

Simple form	V-ing form
could I not bird-dog? could you not bird-dog? could she not bird-dog? could we not bird-dog? could you not bird-dog? could they not bird-dog?	could I not be bird-doging? could you not be bird-doging? could she not be bird-doging? could we not be bird-doging? could you not be bird-doging? could they not be bird-doging?
Perfect	V-ing perfect
could I not have bird-doged? could you not have bird-doged? could she not have bird-doged? could we not have bird-doged? could you not have bird-doged? could they not have bird-doged?	could I not have been bird-doging? could you not have been bird-doging? could she not have been bird-doging? could we not have been bird-doging? could you not have been bird-doging? could they not have been bird-doging?