must betide
Verbe régulier : betide - betided- betided
Traduction française : advenir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must betide
you must betide
he must betide
we must betide
you must betide
they must betide 	I must be betiding
you must be betiding
he must be betiding
we must be betiding
you must be betiding
they must be betiding	I must have betided
you must have betided
he must have betided
we must have betided
you must have betided
they must have betided	I must have been betiding
you must have been betiding
he must have been betiding
we must have been betiding
you must have been betiding
they must have been betiding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't betide
you mustn't betide
he mustn't betide
we mustn't betide
you mustn't betide
they mustn't betide 	I mustn't be betiding
you mustn't be betiding
he mustn't be betiding
we mustn't be betiding
you mustn't be betiding
they mustn't be betiding	I mustn't have betided
you mustn't have betided
he mustn't have betided
we mustn't have betided
you mustn't have betided
they mustn't have betided	I mustn't have been betiding
you mustn't have been betiding
he mustn't have been betiding
we mustn't have been betiding
you mustn't have been betiding
they mustn't have been betiding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I betide?
must you betide?
must he betide?
must we betide?
must you betide?
must they betide? 	must I be betiding?
must you be betiding?
must he be betiding?
must we be betiding?
must you be betiding?
must they be betiding? 	must I have betided?
must you have betided?
must he have betided?
must we have betided?
must you have betided?
must they have betided? 	must I have been betiding?
must you have been betiding?
must he have been betiding?
must we have been betiding?
must you have been betiding?
must they have been betiding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I betide?
mustn't you betide?
mustn't he betide?
mustn't we betide?
mustn't you betide?
mustn't they betide? 	mustn't I be betiding?
mustn't you be betiding?
mustn't he be betiding?
mustn't we be betiding?
mustn't you be betiding?
mustn't they be betiding? 	mustn't I have betided?
mustn't you have betided?
mustn't he have betided?
mustn't we have betided?
mustn't you have betided?
mustn't they have betided? 	mustn't I have been betiding?
mustn't you have been betiding?
mustn't he have been betiding?
mustn't we have been betiding?
mustn't you have been betiding?
mustn't they have been betiding?