could convoke
Regular verb: convoke - convoked- convoked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could convoke
you could convoke
he could convoke
we could convoke
you could convoke
they could convoke 	I could be convoking
you could be convoking
he could be convoking
we could be convoking
you could be convoking
they could be convoking	I could have convoked
you could have convoked
he could have convoked
we could have convoked
you could have convoked
they could have convoked	I could have been convoking
you could have been convoking
he could have been convoking
we could have been convoking
you could have been convoking
they could have been convoking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not convoke
you could not convoke
he could not convoke
we could not convoke
you could not convoke
they could not convoke 	I could not be convoking
you could not be convoking
he could not be convoking
we could not be convoking
you could not be convoking
they could not be convoking	I could not have convoked
you could not have convoked
he could not have convoked
we could not have convoked
you could not have convoked
they could not have convoked	I could not have been convoking
you could not have been convoking
he could not have been convoking
we could not have been convoking
you could not have been convoking
they could not have been convoking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I convoke?
could you convoke?
could he convoke?
could we convoke?
could you convoke?
could they convoke? 	could I be convoking?
could you be convoking?
could he be convoking?
could we be convoking?
could you be convoking?
could they be convoking? 	could I have convoked?
could you have convoked?
could he have convoked?
could we have convoked?
could you have convoked?
could they have convoked? 	could I have been convoking?
could you have been convoking?
could he have been convoking?
could we have been convoking?
could you have been convoking?
could they have been convoking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not convoke?
could you not convoke?
could he not convoke?
could we not convoke?
could you not convoke?
could they not convoke? 	could I not be convoking?
could you not be convoking?
could he not be convoking?
could we not be convoking?
could you not be convoking?
could they not be convoking? 	could I not have convoked?
could you not have convoked?
could he not have convoked?
could we not have convoked?
could you not have convoked?
could they not have convoked? 	could I not have been convoking?
could you not have been convoking?
could he not have been convoking?
could we not have been convoking?
could you not have been convoking?
could they not have been convoking?