I could equal you could equal she could equal we could equal you could equal they could equal
V-ing form
I could be equalling you could be equalling she could be equalling we could be equalling you could be equalling they could be equalling
Perfect
I could have equalled you could have equalled she could have equalled we could have equalled you could have equalled they could have equalled
V-ing perfect
I could have been equalling you could have been equalling she could have been equalling we could have been equalling you could have been equalling they could have been equalling
Negation
Simple form
I could not equal you could not equal she could not equal we could not equal you could not equal they could not equal
V-ing form
I could not be equalling you could not be equalling she could not be equalling we could not be equalling you could not be equalling they could not be equalling
Perfect
I could not have equalled you could not have equalled she could not have equalled we could not have equalled you could not have equalled they could not have equalled
V-ing perfect
I could not have been equalling you could not have been equalling she could not have been equalling we could not have been equalling you could not have been equalling they could not have been equalling
Interrogative form
Simple form
could I equal? could you equal? could she equal? could we equal? could you equal? could they equal?
V-ing form
could I be equalling? could you be equalling? could she be equalling? could we be equalling? could you be equalling? could they be equalling?
Perfect
could I have equalled? could you have equalled? could she have equalled? could we have equalled? could you have equalled? could they have equalled?
V-ing perfect
could I have been equalling? could you have been equalling? could she have been equalling? could we have been equalling? could you have been equalling? could they have been equalling?
Interro-negative form
Simple form
could I not equal? could you not equal? could she not equal? could we not equal? could you not equal? could they not equal?
V-ing form
could I not be equalling? could you not be equalling? could she not be equalling? could we not be equalling? could you not be equalling? could they not be equalling?
Perfect
could I not have equalled? could you not have equalled? could she not have equalled? could we not have equalled? could you not have equalled? could they not have equalled?
V-ing perfect
could I not have been equalling? could you not have been equalling? could she not have been equalling? could we not have been equalling? could you not have been equalling? could they not have been equalling?