could cordon
Regular verb: cordon - cordoned- cordoned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could cordon
you could cordon
he could cordon
we could cordon
you could cordon
they could cordon 	I could be cordoning
you could be cordoning
he could be cordoning
we could be cordoning
you could be cordoning
they could be cordoning	I could have cordoned
you could have cordoned
he could have cordoned
we could have cordoned
you could have cordoned
they could have cordoned	I could have been cordoning
you could have been cordoning
he could have been cordoning
we could have been cordoning
you could have been cordoning
they could have been cordoning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not cordon
you could not cordon
he could not cordon
we could not cordon
you could not cordon
they could not cordon 	I could not be cordoning
you could not be cordoning
he could not be cordoning
we could not be cordoning
you could not be cordoning
they could not be cordoning	I could not have cordoned
you could not have cordoned
he could not have cordoned
we could not have cordoned
you could not have cordoned
they could not have cordoned	I could not have been cordoning
you could not have been cordoning
he could not have been cordoning
we could not have been cordoning
you could not have been cordoning
they could not have been cordoning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I cordon?
could you cordon?
could he cordon?
could we cordon?
could you cordon?
could they cordon? 	could I be cordoning?
could you be cordoning?
could he be cordoning?
could we be cordoning?
could you be cordoning?
could they be cordoning? 	could I have cordoned?
could you have cordoned?
could he have cordoned?
could we have cordoned?
could you have cordoned?
could they have cordoned? 	could I have been cordoning?
could you have been cordoning?
could he have been cordoning?
could we have been cordoning?
could you have been cordoning?
could they have been cordoning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not cordon?
could you not cordon?
could he not cordon?
could we not cordon?
could you not cordon?
could they not cordon? 	could I not be cordoning?
could you not be cordoning?
could he not be cordoning?
could we not be cordoning?
could you not be cordoning?
could they not be cordoning? 	could I not have cordoned?
could you not have cordoned?
could he not have cordoned?
could we not have cordoned?
could you not have cordoned?
could they not have cordoned? 	could I not have been cordoning?
could you not have been cordoning?
could he not have been cordoning?
could we not have been cordoning?
could you not have been cordoning?
could they not have been cordoning?