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 couldn't betoken
you couldn't betoken
he couldn't betoken
we couldn't betoken
you couldn't betoken
they couldn't betoken 	I couldn't be betokening
you couldn't be betokening
he couldn't be betokening
we couldn't be betokening
you couldn't be betokening
they couldn't be betokening	I couldn't have betokened
you couldn't have betokened
he couldn't have betokened
we couldn't have betokened
you couldn't have betokened
they couldn't have betokened	I couldn't have been betokening
you couldn't have been betokening
he couldn't have been betokening
we couldn't have been betokening
you couldn't have been betokening
they couldn't 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 	
couldn't I betoken?
couldn't you betoken?
couldn't he betoken?
couldn't we betoken?
couldn't you betoken?
couldn't they betoken? 	couldn't I be betokening?
couldn't you be betokening?
couldn't he be betokening?
couldn't we be betokening?
couldn't you be betokening?
couldn't they be betokening? 	couldn't I have betokened?
couldn't you have betokened?
couldn't he have betokened?
couldn't we have betokened?
couldn't you have betokened?
couldn't they have betokened? 	couldn't I have been betokening?
couldn't you have been betokening?
couldn't he have been betokening?
couldn't we have been betokening?
couldn't you have been betokening?
couldn't they have been betokening?