could retabulate
Regular verb: retabulate - retabulated- retabulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could retabulate
you could retabulate
she could retabulate
we could retabulate
you could retabulate
they could retabulate 	I could be retabulating
you could be retabulating
she could be retabulating
we could be retabulating
you could be retabulating
they could be retabulating	I could have retabulated
you could have retabulated
she could have retabulated
we could have retabulated
you could have retabulated
they could have retabulated	I could have been retabulating
you could have been retabulating
she could have been retabulating
we could have been retabulating
you could have been retabulating
they could have been retabulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not retabulate
you could not retabulate
she could not retabulate
we could not retabulate
you could not retabulate
they could not retabulate 	I could not be retabulating
you could not be retabulating
she could not be retabulating
we could not be retabulating
you could not be retabulating
they could not be retabulating	I could not have retabulated
you could not have retabulated
she could not have retabulated
we could not have retabulated
you could not have retabulated
they could not have retabulated	I could not have been retabulating
you could not have been retabulating
she could not have been retabulating
we could not have been retabulating
you could not have been retabulating
they could not have been retabulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I retabulate?
could you retabulate?
could she retabulate?
could we retabulate?
could you retabulate?
could they retabulate? 	could I be retabulating?
could you be retabulating?
could she be retabulating?
could we be retabulating?
could you be retabulating?
could they be retabulating? 	could I have retabulated?
could you have retabulated?
could she have retabulated?
could we have retabulated?
could you have retabulated?
could they have retabulated? 	could I have been retabulating?
could you have been retabulating?
could she have been retabulating?
could we have been retabulating?
could you have been retabulating?
could they have been retabulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not retabulate?
could you not retabulate?
could she not retabulate?
could we not retabulate?
could you not retabulate?
could they not retabulate? 	could I not be retabulating?
could you not be retabulating?
could she not be retabulating?
could we not be retabulating?
could you not be retabulating?
could they not be retabulating? 	could I not have retabulated?
could you not have retabulated?
could she not have retabulated?
could we not have retabulated?
could you not have retabulated?
could they not have retabulated? 	could I not have been retabulating?
could you not have been retabulating?
could she not have been retabulating?
could we not have been retabulating?
could you not have been retabulating?
could they not have been retabulating?