could correlate
Regular verb: correlate - correlated- correlated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could correlate
you could correlate
he could correlate
we could correlate
you could correlate
they could correlate 	I could be correlating
you could be correlating
he could be correlating
we could be correlating
you could be correlating
they could be correlating	I could have correlated
you could have correlated
he could have correlated
we could have correlated
you could have correlated
they could have correlated	I could have been correlating
you could have been correlating
he could have been correlating
we could have been correlating
you could have been correlating
they could have been correlating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't correlate
you couldn't correlate
he couldn't correlate
we couldn't correlate
you couldn't correlate
they couldn't correlate 	I couldn't be correlating
you couldn't be correlating
he couldn't be correlating
we couldn't be correlating
you couldn't be correlating
they couldn't be correlating	I couldn't have correlated
you couldn't have correlated
he couldn't have correlated
we couldn't have correlated
you couldn't have correlated
they couldn't have correlated	I couldn't have been correlating
you couldn't have been correlating
he couldn't have been correlating
we couldn't have been correlating
you couldn't have been correlating
they couldn't have been correlating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I correlate?
could you correlate?
could he correlate?
could we correlate?
could you correlate?
could they correlate? 	could I be correlating?
could you be correlating?
could he be correlating?
could we be correlating?
could you be correlating?
could they be correlating? 	could I have correlated?
could you have correlated?
could he have correlated?
could we have correlated?
could you have correlated?
could they have correlated? 	could I have been correlating?
could you have been correlating?
could he have been correlating?
could we have been correlating?
could you have been correlating?
could they have been correlating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I correlate?
couldn't you correlate?
couldn't he correlate?
couldn't we correlate?
couldn't you correlate?
couldn't they correlate? 	couldn't I be correlating?
couldn't you be correlating?
couldn't he be correlating?
couldn't we be correlating?
couldn't you be correlating?
couldn't they be correlating? 	couldn't I have correlated?
couldn't you have correlated?
couldn't he have correlated?
couldn't we have correlated?
couldn't you have correlated?
couldn't they have correlated? 	couldn't I have been correlating?
couldn't you have been correlating?
couldn't he have been correlating?
couldn't we have been correlating?
couldn't you have been correlating?
couldn't they have been correlating?