could bulge
Regular verb: bulge - bulged- bulged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bulge
you could bulge
he could bulge
we could bulge
you could bulge
they could bulge 	I could be bulging
you could be bulging
he could be bulging
we could be bulging
you could be bulging
they could be bulging	I could have bulged
you could have bulged
he could have bulged
we could have bulged
you could have bulged
they could have bulged	I could have been bulging
you could have been bulging
he could have been bulging
we could have been bulging
you could have been bulging
they could have been bulging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't bulge
you couldn't bulge
he couldn't bulge
we couldn't bulge
you couldn't bulge
they couldn't bulge 	I couldn't be bulging
you couldn't be bulging
he couldn't be bulging
we couldn't be bulging
you couldn't be bulging
they couldn't be bulging	I couldn't have bulged
you couldn't have bulged
he couldn't have bulged
we couldn't have bulged
you couldn't have bulged
they couldn't have bulged	I couldn't have been bulging
you couldn't have been bulging
he couldn't have been bulging
we couldn't have been bulging
you couldn't have been bulging
they couldn't have been bulging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bulge?
could you bulge?
could he bulge?
could we bulge?
could you bulge?
could they bulge? 	could I be bulging?
could you be bulging?
could he be bulging?
could we be bulging?
could you be bulging?
could they be bulging? 	could I have bulged?
could you have bulged?
could he have bulged?
could we have bulged?
could you have bulged?
could they have bulged? 	could I have been bulging?
could you have been bulging?
could he have been bulging?
could we have been bulging?
could you have been bulging?
could they have been bulging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I bulge?
couldn't you bulge?
couldn't he bulge?
couldn't we bulge?
couldn't you bulge?
couldn't they bulge? 	couldn't I be bulging?
couldn't you be bulging?
couldn't he be bulging?
couldn't we be bulging?
couldn't you be bulging?
couldn't they be bulging? 	couldn't I have bulged?
couldn't you have bulged?
couldn't he have bulged?
couldn't we have bulged?
couldn't you have bulged?
couldn't they have bulged? 	couldn't I have been bulging?
couldn't you have been bulging?
couldn't he have been bulging?
couldn't we have been bulging?
couldn't you have been bulging?
couldn't they have been bulging?