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