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 could not indulge
you could not indulge
she could not indulge
we could not indulge
you could not indulge
they could not indulge 	I could not be indulging
you could not be indulging
she could not be indulging
we could not be indulging
you could not be indulging
they could not be indulging	I could not have indulged
you could not have indulged
she could not have indulged
we could not have indulged
you could not have indulged
they could not have indulged	I could not have been indulging
you could not have been indulging
she could not have been indulging
we could not have been indulging
you could not have been indulging
they could not 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 	
could I not indulge?
could you not indulge?
could she not indulge?
could we not indulge?
could you not indulge?
could they not indulge? 	could I not be indulging?
could you not be indulging?
could she not be indulging?
could we not be indulging?
could you not be indulging?
could they not be indulging? 	could I not have indulged?
could you not have indulged?
could she not have indulged?
could we not have indulged?
could you not have indulged?
could they not have indulged? 	could I not have been indulging?
could you not have been indulging?
could she not have been indulging?
could we not have been indulging?
could you not have been indulging?
could they not have been indulging?