must betoken
Regular verb: betoken - betokened- betokened

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't betoken
you mustn't betoken
he mustn't betoken
we mustn't betoken
you mustn't betoken
they mustn't betoken 	I mustn't be betokening
you mustn't be betokening
he mustn't be betokening
we mustn't be betokening
you mustn't be betokening
they mustn't be betokening	I mustn't have betokened
you mustn't have betokened
he mustn't have betokened
we mustn't have betokened
you mustn't have betokened
they mustn't have betokened	I mustn't have been betokening
you mustn't have been betokening
he mustn't have been betokening
we mustn't have been betokening
you mustn't have been betokening
they mustn't have been betokening	

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

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