must decipher
Verbe régulier : decipher - deciphered- deciphered
Traduction française : déchiffrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must decipher
you must decipher
he must decipher
we must decipher
you must decipher
they must decipher 	I must be deciphering
you must be deciphering
he must be deciphering
we must be deciphering
you must be deciphering
they must be deciphering	I must have deciphered
you must have deciphered
he must have deciphered
we must have deciphered
you must have deciphered
they must have deciphered	I must have been deciphering
you must have been deciphering
he must have been deciphering
we must have been deciphering
you must have been deciphering
they must have been deciphering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not decipher
you must not decipher
he must not decipher
we must not decipher
you must not decipher
they must not decipher 	I must not be deciphering
you must not be deciphering
he must not be deciphering
we must not be deciphering
you must not be deciphering
they must not be deciphering	I must not have deciphered
you must not have deciphered
he must not have deciphered
we must not have deciphered
you must not have deciphered
they must not have deciphered	I must not have been deciphering
you must not have been deciphering
he must not have been deciphering
we must not have been deciphering
you must not have been deciphering
they must not have been deciphering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I decipher?
must you decipher?
must he decipher?
must we decipher?
must you decipher?
must they decipher? 	must I be deciphering?
must you be deciphering?
must he be deciphering?
must we be deciphering?
must you be deciphering?
must they be deciphering? 	must I have deciphered?
must you have deciphered?
must he have deciphered?
must we have deciphered?
must you have deciphered?
must they have deciphered? 	must I have been deciphering?
must you have been deciphering?
must he have been deciphering?
must we have been deciphering?
must you have been deciphering?
must they have been deciphering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not decipher?
must you not decipher?
must he not decipher?
must we not decipher?
must you not decipher?
must they not decipher? 	must I not be deciphering?
must you not be deciphering?
must he not be deciphering?
must we not be deciphering?
must you not be deciphering?
must they not be deciphering? 	must I not have deciphered?
must you not have deciphered?
must he not have deciphered?
must we not have deciphered?
must you not have deciphered?
must they not have deciphered? 	must I not have been deciphering?
must you not have been deciphering?
must he not have been deciphering?
must we not have been deciphering?
must you not have been deciphering?
must they not have been deciphering?