must encase
Verbe régulier : encase - encased- encased
Traduction française : recouvrir - entourer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must encase
you must encase
he must encase
we must encase
you must encase
they must encase 	I must be encasing
you must be encasing
he must be encasing
we must be encasing
you must be encasing
they must be encasing	I must have encased
you must have encased
he must have encased
we must have encased
you must have encased
they must have encased	I must have been encasing
you must have been encasing
he must have been encasing
we must have been encasing
you must have been encasing
they must have been encasing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't encase
you mustn't encase
he mustn't encase
we mustn't encase
you mustn't encase
they mustn't encase 	I mustn't be encasing
you mustn't be encasing
he mustn't be encasing
we mustn't be encasing
you mustn't be encasing
they mustn't be encasing	I mustn't have encased
you mustn't have encased
he mustn't have encased
we mustn't have encased
you mustn't have encased
they mustn't have encased	I mustn't have been encasing
you mustn't have been encasing
he mustn't have been encasing
we mustn't have been encasing
you mustn't have been encasing
they mustn't have been encasing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I encase?
must you encase?
must he encase?
must we encase?
must you encase?
must they encase? 	must I be encasing?
must you be encasing?
must he be encasing?
must we be encasing?
must you be encasing?
must they be encasing? 	must I have encased?
must you have encased?
must he have encased?
must we have encased?
must you have encased?
must they have encased? 	must I have been encasing?
must you have been encasing?
must he have been encasing?
must we have been encasing?
must you have been encasing?
must they have been encasing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I encase?
mustn't you encase?
mustn't he encase?
mustn't we encase?
mustn't you encase?
mustn't they encase? 	mustn't I be encasing?
mustn't you be encasing?
mustn't he be encasing?
mustn't we be encasing?
mustn't you be encasing?
mustn't they be encasing? 	mustn't I have encased?
mustn't you have encased?
mustn't he have encased?
mustn't we have encased?
mustn't you have encased?
mustn't they have encased? 	mustn't I have been encasing?
mustn't you have been encasing?
mustn't he have been encasing?
mustn't we have been encasing?
mustn't you have been encasing?
mustn't they have been encasing?