could engorge
Regular verb: engorge - engorged- engorged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could engorge
you could engorge
she could engorge
we could engorge
you could engorge
they could engorge 	I could be engorging
you could be engorging
she could be engorging
we could be engorging
you could be engorging
they could be engorging	I could have engorged
you could have engorged
she could have engorged
we could have engorged
you could have engorged
they could have engorged	I could have been engorging
you could have been engorging
she could have been engorging
we could have been engorging
you could have been engorging
they could have been engorging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't engorge
you couldn't engorge
she couldn't engorge
we couldn't engorge
you couldn't engorge
they couldn't engorge 	I couldn't be engorging
you couldn't be engorging
she couldn't be engorging
we couldn't be engorging
you couldn't be engorging
they couldn't be engorging	I couldn't have engorged
you couldn't have engorged
she couldn't have engorged
we couldn't have engorged
you couldn't have engorged
they couldn't have engorged	I couldn't have been engorging
you couldn't have been engorging
she couldn't have been engorging
we couldn't have been engorging
you couldn't have been engorging
they couldn't have been engorging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I engorge?
could you engorge?
could she engorge?
could we engorge?
could you engorge?
could they engorge? 	could I be engorging?
could you be engorging?
could she be engorging?
could we be engorging?
could you be engorging?
could they be engorging? 	could I have engorged?
could you have engorged?
could she have engorged?
could we have engorged?
could you have engorged?
could they have engorged? 	could I have been engorging?
could you have been engorging?
could she have been engorging?
could we have been engorging?
could you have been engorging?
could they have been engorging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I engorge?
couldn't you engorge?
couldn't she engorge?
couldn't we engorge?
couldn't you engorge?
couldn't they engorge? 	couldn't I be engorging?
couldn't you be engorging?
couldn't she be engorging?
couldn't we be engorging?
couldn't you be engorging?
couldn't they be engorging? 	couldn't I have engorged?
couldn't you have engorged?
couldn't she have engorged?
couldn't we have engorged?
couldn't you have engorged?
couldn't they have engorged? 	couldn't I have been engorging?
couldn't you have been engorging?
couldn't she have been engorging?
couldn't we have been engorging?
couldn't you have been engorging?
couldn't they have been engorging?