must encipher
Verbe régulier : encipher - enciphered- enciphered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must encipher
you must encipher
she must encipher
we must encipher
you must encipher
they must encipher 	I must be enciphering
you must be enciphering
she must be enciphering
we must be enciphering
you must be enciphering
they must be enciphering	I must have enciphered
you must have enciphered
she must have enciphered
we must have enciphered
you must have enciphered
they must have enciphered	I must have been enciphering
you must have been enciphering
she must have been enciphering
we must have been enciphering
you must have been enciphering
they must have been enciphering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't encipher
you mustn't encipher
she mustn't encipher
we mustn't encipher
you mustn't encipher
they mustn't encipher 	I mustn't be enciphering
you mustn't be enciphering
she mustn't be enciphering
we mustn't be enciphering
you mustn't be enciphering
they mustn't be enciphering	I mustn't have enciphered
you mustn't have enciphered
she mustn't have enciphered
we mustn't have enciphered
you mustn't have enciphered
they mustn't have enciphered	I mustn't have been enciphering
you mustn't have been enciphering
she mustn't have been enciphering
we mustn't have been enciphering
you mustn't have been enciphering
they mustn't have been enciphering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I encipher?
must you encipher?
must she encipher?
must we encipher?
must you encipher?
must they encipher? 	must I be enciphering?
must you be enciphering?
must she be enciphering?
must we be enciphering?
must you be enciphering?
must they be enciphering? 	must I have enciphered?
must you have enciphered?
must she have enciphered?
must we have enciphered?
must you have enciphered?
must they have enciphered? 	must I have been enciphering?
must you have been enciphering?
must she have been enciphering?
must we have been enciphering?
must you have been enciphering?
must they have been enciphering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I encipher?
mustn't you encipher?
mustn't she encipher?
mustn't we encipher?
mustn't you encipher?
mustn't they encipher? 	mustn't I be enciphering?
mustn't you be enciphering?
mustn't she be enciphering?
mustn't we be enciphering?
mustn't you be enciphering?
mustn't they be enciphering? 	mustn't I have enciphered?
mustn't you have enciphered?
mustn't she have enciphered?
mustn't we have enciphered?
mustn't you have enciphered?
mustn't they have enciphered? 	mustn't I have been enciphering?
mustn't you have been enciphering?
mustn't she have been enciphering?
mustn't we have been enciphering?
mustn't you have been enciphering?
mustn't they have been enciphering?