I could correlate you could correlate she could correlate we could correlate you could correlate they could correlate
V-ing form
I could be correlating you could be correlating she could be correlating we could be correlating you could be correlating they could be correlating
Perfect
I could have correlated you could have correlated she could have correlated we could have correlated you could have correlated they could have correlated
V-ing perfect
I could have been correlating you could have been correlating she could have been correlating we could have been correlating you could have been correlating they could have been correlating
Negation
Simple form
I could not correlate you could not correlate she could not correlate we could not correlate you could not correlate they could not correlate
V-ing form
I could not be correlating you could not be correlating she could not be correlating we could not be correlating you could not be correlating they could not be correlating
Perfect
I could not have correlated you could not have correlated she could not have correlated we could not have correlated you could not have correlated they could not have correlated
V-ing perfect
I could not have been correlating you could not have been correlating she could not have been correlating we could not have been correlating you could not have been correlating they could not have been correlating
Interrogative form
Simple form
could I correlate? could you correlate? could she correlate? could we correlate? could you correlate? could they correlate?
V-ing form
could I be correlating? could you be correlating? could she be correlating? could we be correlating? could you be correlating? could they be correlating?
Perfect
could I have correlated? could you have correlated? could she have correlated? could we have correlated? could you have correlated? could they have correlated?
V-ing perfect
could I have been correlating? could you have been correlating? could she have been correlating? could we have been correlating? could you have been correlating? could they have been correlating?
Interro-negative form
Simple form
could I not correlate? could you not correlate? could she not correlate? could we not correlate? could you not correlate? could they not correlate?
V-ing form
could I not be correlating? could you not be correlating? could she not be correlating? could we not be correlating? could you not be correlating? could they not be correlating?
Perfect
could I not have correlated? could you not have correlated? could she not have correlated? could we not have correlated? could you not have correlated? could they not have correlated?
V-ing perfect
could I not have been correlating? could you not have been correlating? could she not have been correlating? could we not have been correlating? could you not have been correlating? could they not have been correlating?