could indulge
Regular verb: indulge - indulged- indulged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could indulge
you could indulge
she could indulge
we could indulge
you could indulge
they could indulge 	I could be indulging
you could be indulging
she could be indulging
we could be indulging
you could be indulging
they could be indulging	I could have indulged
you could have indulged
she could have indulged
we could have indulged
you could have indulged
they could have indulged	I could have been indulging
you could have been indulging
she could have been indulging
we could have been indulging
you could have been indulging
they could have been indulging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't indulge
you couldn't indulge
she couldn't indulge
we couldn't indulge
you couldn't indulge
they couldn't indulge 	I couldn't be indulging
you couldn't be indulging
she couldn't be indulging
we couldn't be indulging
you couldn't be indulging
they couldn't be indulging	I couldn't have indulged
you couldn't have indulged
she couldn't have indulged
we couldn't have indulged
you couldn't have indulged
they couldn't have indulged	I couldn't have been indulging
you couldn't have been indulging
she couldn't have been indulging
we couldn't have been indulging
you couldn't have been indulging
they couldn't have been indulging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I indulge?
could you indulge?
could she indulge?
could we indulge?
could you indulge?
could they indulge? 	could I be indulging?
could you be indulging?
could she be indulging?
could we be indulging?
could you be indulging?
could they be indulging? 	could I have indulged?
could you have indulged?
could she have indulged?
could we have indulged?
could you have indulged?
could they have indulged? 	could I have been indulging?
could you have been indulging?
could she have been indulging?
could we have been indulging?
could you have been indulging?
could they have been indulging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I indulge?
couldn't you indulge?
couldn't she indulge?
couldn't we indulge?
couldn't you indulge?
couldn't they indulge? 	couldn't I be indulging?
couldn't you be indulging?
couldn't she be indulging?
couldn't we be indulging?
couldn't you be indulging?
couldn't they be indulging? 	couldn't I have indulged?
couldn't you have indulged?
couldn't she have indulged?
couldn't we have indulged?
couldn't you have indulged?
couldn't they have indulged? 	couldn't I have been indulging?
couldn't you have been indulging?
couldn't she have been indulging?
couldn't we have been indulging?
couldn't you have been indulging?
couldn't they have been indulging?