English verb conjugation
COULD BULLDOG

Regular verb: bulldog - bulldoged - bulldoged

Affirmation

Simple form	V-ing form
I could bulldog you could bulldog he could bulldog we could bulldog you could bulldog they could bulldog	I could be bulldoging you could be bulldoging he could be bulldoging we could be bulldoging you could be bulldoging they could be bulldoging
Perfect	V-ing perfect
I could have bulldoged you could have bulldoged he could have bulldoged we could have bulldoged you could have bulldoged they could have bulldoged	I could have been bulldoging you could have been bulldoging he could have been bulldoging we could have been bulldoging you could have been bulldoging they could have been bulldoging

Negation

Simple form	V-ing form
I couldn't bulldog you couldn't bulldog he couldn't bulldog we couldn't bulldog you couldn't bulldog they couldn't bulldog	I couldn't be bulldoging you couldn't be bulldoging he couldn't be bulldoging we couldn't be bulldoging you couldn't be bulldoging they couldn't be bulldoging
Perfect	V-ing perfect
I couldn't have bulldoged you couldn't have bulldoged he couldn't have bulldoged we couldn't have bulldoged you couldn't have bulldoged they couldn't have bulldoged	I couldn't have been bulldoging you couldn't have been bulldoging he couldn't have been bulldoging we couldn't have been bulldoging you couldn't have been bulldoging they couldn't have been bulldoging

Interrogative form

Simple form	V-ing form
could I bulldog? could you bulldog? could he bulldog? could we bulldog? could you bulldog? could they bulldog?	could I be bulldoging? could you be bulldoging? could he be bulldoging? could we be bulldoging? could you be bulldoging? could they be bulldoging?
Perfect	V-ing perfect
could I have bulldoged? could you have bulldoged? could he have bulldoged? could we have bulldoged? could you have bulldoged? could they have bulldoged?	could I have been bulldoging? could you have been bulldoging? could he have been bulldoging? could we have been bulldoging? could you have been bulldoging? could they have been bulldoging?

Interro-negative form

Simple form	V-ing form
couldn't I bulldog? couldn't you bulldog? couldn't he bulldog? couldn't we bulldog? couldn't you bulldog? couldn't they bulldog?	couldn't I be bulldoging? couldn't you be bulldoging? couldn't he be bulldoging? couldn't we be bulldoging? couldn't you be bulldoging? couldn't they be bulldoging?
Perfect	V-ing perfect
couldn't I have bulldoged? couldn't you have bulldoged? couldn't he have bulldoged? couldn't we have bulldoged? couldn't you have bulldoged? couldn't they have bulldoged?	couldn't I have been bulldoging? couldn't you have been bulldoging? couldn't he have been bulldoging? couldn't we have been bulldoging? couldn't you have been bulldoging? couldn't they have been bulldoging?