could betoken
Regular verb: betoken - betokened- betokened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could betoken
you could betoken
he could betoken
we could betoken
you could betoken
they could betoken 	I could be betokening
you could be betokening
he could be betokening
we could be betokening
you could be betokening
they could be betokening	I could have betokened
you could have betokened
he could have betokened
we could have betokened
you could have betokened
they could have betokened	I could have been betokening
you could have been betokening
he could have been betokening
we could have been betokening
you could have been betokening
they could have been betokening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not betoken
you could not betoken
he could not betoken
we could not betoken
you could not betoken
they could not betoken 	I could not be betokening
you could not be betokening
he could not be betokening
we could not be betokening
you could not be betokening
they could not be betokening	I could not have betokened
you could not have betokened
he could not have betokened
we could not have betokened
you could not have betokened
they could not have betokened	I could not have been betokening
you could not have been betokening
he could not have been betokening
we could not have been betokening
you could not have been betokening
they could not have been betokening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I betoken?
could you betoken?
could he betoken?
could we betoken?
could you betoken?
could they betoken? 	could I be betokening?
could you be betokening?
could he be betokening?
could we be betokening?
could you be betokening?
could they be betokening? 	could I have betokened?
could you have betokened?
could he have betokened?
could we have betokened?
could you have betokened?
could they have betokened? 	could I have been betokening?
could you have been betokening?
could he have been betokening?
could we have been betokening?
could you have been betokening?
could they have been betokening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not betoken?
could you not betoken?
could he not betoken?
could we not betoken?
could you not betoken?
could they not betoken? 	could I not be betokening?
could you not be betokening?
could he not be betokening?
could we not be betokening?
could you not be betokening?
could they not be betokening? 	could I not have betokened?
could you not have betokened?
could he not have betokened?
could we not have betokened?
could you not have betokened?
could they not have betokened? 	could I not have been betokening?
could you not have been betokening?
could he not have been betokening?
could we not have been betokening?
could you not have been betokening?
could they not have been betokening?