could bulldog
Verbe régulier : bulldog - bulldoged- bulldoged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	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	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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? 	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?