could comingle
Regular verb: comingle - comingled- comingled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could comingle
you could comingle
he could comingle
we could comingle
you could comingle
they could comingle 	I could be comingling
you could be comingling
he could be comingling
we could be comingling
you could be comingling
they could be comingling	I could have comingled
you could have comingled
he could have comingled
we could have comingled
you could have comingled
they could have comingled	I could have been comingling
you could have been comingling
he could have been comingling
we could have been comingling
you could have been comingling
they could have been comingling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't comingle
you couldn't comingle
he couldn't comingle
we couldn't comingle
you couldn't comingle
they couldn't comingle 	I couldn't be comingling
you couldn't be comingling
he couldn't be comingling
we couldn't be comingling
you couldn't be comingling
they couldn't be comingling	I couldn't have comingled
you couldn't have comingled
he couldn't have comingled
we couldn't have comingled
you couldn't have comingled
they couldn't have comingled	I couldn't have been comingling
you couldn't have been comingling
he couldn't have been comingling
we couldn't have been comingling
you couldn't have been comingling
they couldn't have been comingling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I comingle?
could you comingle?
could he comingle?
could we comingle?
could you comingle?
could they comingle? 	could I be comingling?
could you be comingling?
could he be comingling?
could we be comingling?
could you be comingling?
could they be comingling? 	could I have comingled?
could you have comingled?
could he have comingled?
could we have comingled?
could you have comingled?
could they have comingled? 	could I have been comingling?
could you have been comingling?
could he have been comingling?
could we have been comingling?
could you have been comingling?
could they have been comingling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I comingle?
couldn't you comingle?
couldn't he comingle?
couldn't we comingle?
couldn't you comingle?
couldn't they comingle? 	couldn't I be comingling?
couldn't you be comingling?
couldn't he be comingling?
couldn't we be comingling?
couldn't you be comingling?
couldn't they be comingling? 	couldn't I have comingled?
couldn't you have comingled?
couldn't he have comingled?
couldn't we have comingled?
couldn't you have comingled?
couldn't they have comingled? 	couldn't I have been comingling?
couldn't you have been comingling?
couldn't he have been comingling?
couldn't we have been comingling?
couldn't you have been comingling?
couldn't they have been comingling?