must betoken
Regular verb: betoken - betokened- betokened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must betoken
you must betoken
she must betoken
we must betoken
you must betoken
they must betoken 	I must be betokening
you must be betokening
she must be betokening
we must be betokening
you must be betokening
they must be betokening	I must have betokened
you must have betokened
she 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
she 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
she 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
she 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
she 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
she 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 she betoken?
must we betoken?
must you betoken?
must they betoken? 	must I be betokening?
must you be betokening?
must she be betokening?
must we be betokening?
must you be betokening?
must they be betokening? 	must I have betokened?
must you have betokened?
must she 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 she 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 she 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 she 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 she 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 she have been betokening?
mustn't we have been betokening?
mustn't you have been betokening?
mustn't they have been betokening?