could intermingle
Regular verb: intermingle - intermingled- intermingled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could intermingle
you could intermingle
she could intermingle
we could intermingle
you could intermingle
they could intermingle 	I could be intermingling
you could be intermingling
she could be intermingling
we could be intermingling
you could be intermingling
they could be intermingling	I could have intermingled
you could have intermingled
she could have intermingled
we could have intermingled
you could have intermingled
they could have intermingled	I could have been intermingling
you could have been intermingling
she could have been intermingling
we could have been intermingling
you could have been intermingling
they could have been intermingling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't intermingle
you couldn't intermingle
she couldn't intermingle
we couldn't intermingle
you couldn't intermingle
they couldn't intermingle 	I couldn't be intermingling
you couldn't be intermingling
she couldn't be intermingling
we couldn't be intermingling
you couldn't be intermingling
they couldn't be intermingling	I couldn't have intermingled
you couldn't have intermingled
she couldn't have intermingled
we couldn't have intermingled
you couldn't have intermingled
they couldn't have intermingled	I couldn't have been intermingling
you couldn't have been intermingling
she couldn't have been intermingling
we couldn't have been intermingling
you couldn't have been intermingling
they couldn't have been intermingling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I intermingle?
could you intermingle?
could she intermingle?
could we intermingle?
could you intermingle?
could they intermingle? 	could I be intermingling?
could you be intermingling?
could she be intermingling?
could we be intermingling?
could you be intermingling?
could they be intermingling? 	could I have intermingled?
could you have intermingled?
could she have intermingled?
could we have intermingled?
could you have intermingled?
could they have intermingled? 	could I have been intermingling?
could you have been intermingling?
could she have been intermingling?
could we have been intermingling?
could you have been intermingling?
could they have been intermingling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I intermingle?
couldn't you intermingle?
couldn't she intermingle?
couldn't we intermingle?
couldn't you intermingle?
couldn't they intermingle? 	couldn't I be intermingling?
couldn't you be intermingling?
couldn't she be intermingling?
couldn't we be intermingling?
couldn't you be intermingling?
couldn't they be intermingling? 	couldn't I have intermingled?
couldn't you have intermingled?
couldn't she have intermingled?
couldn't we have intermingled?
couldn't you have intermingled?
couldn't they have intermingled? 	couldn't I have been intermingling?
couldn't you have been intermingling?
couldn't she have been intermingling?
couldn't we have been intermingling?
couldn't you have been intermingling?
couldn't they have been intermingling?