could harangue
Regular verb: harangue - harangued- harangued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could harangue
you could harangue
he could harangue
we could harangue
you could harangue
they could harangue 	I could be haranguing
you could be haranguing
he could be haranguing
we could be haranguing
you could be haranguing
they could be haranguing	I could have harangued
you could have harangued
he could have harangued
we could have harangued
you could have harangued
they could have harangued	I could have been haranguing
you could have been haranguing
he could have been haranguing
we could have been haranguing
you could have been haranguing
they could have been haranguing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not harangue
you could not harangue
he could not harangue
we could not harangue
you could not harangue
they could not harangue 	I could not be haranguing
you could not be haranguing
he could not be haranguing
we could not be haranguing
you could not be haranguing
they could not be haranguing	I could not have harangued
you could not have harangued
he could not have harangued
we could not have harangued
you could not have harangued
they could not have harangued	I could not have been haranguing
you could not have been haranguing
he could not have been haranguing
we could not have been haranguing
you could not have been haranguing
they could not have been haranguing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I harangue?
could you harangue?
could he harangue?
could we harangue?
could you harangue?
could they harangue? 	could I be haranguing?
could you be haranguing?
could he be haranguing?
could we be haranguing?
could you be haranguing?
could they be haranguing? 	could I have harangued?
could you have harangued?
could he have harangued?
could we have harangued?
could you have harangued?
could they have harangued? 	could I have been haranguing?
could you have been haranguing?
could he have been haranguing?
could we have been haranguing?
could you have been haranguing?
could they have been haranguing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not harangue?
could you not harangue?
could he not harangue?
could we not harangue?
could you not harangue?
could they not harangue? 	could I not be haranguing?
could you not be haranguing?
could he not be haranguing?
could we not be haranguing?
could you not be haranguing?
could they not be haranguing? 	could I not have harangued?
could you not have harangued?
could he not have harangued?
could we not have harangued?
could you not have harangued?
could they not have harangued? 	could I not have been haranguing?
could you not have been haranguing?
could he not have been haranguing?
could we not have been haranguing?
could you not have been haranguing?
could they not have been haranguing?