must encipher
Regular verb: encipher - enciphered- enciphered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must encipher
you must encipher
he must encipher
we must encipher
you must encipher
they must encipher 	I must be enciphering
you must be enciphering
he must be enciphering
we must be enciphering
you must be enciphering
they must be enciphering	I must have enciphered
you must have enciphered
he 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
he must have been enciphering
we must have been enciphering
you must have been enciphering
they must have been enciphering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not encipher
you must not encipher
he must not encipher
we must not encipher
you must not encipher
they must not encipher 	I must not be enciphering
you must not be enciphering
he must not be enciphering
we must not be enciphering
you must not be enciphering
they must not be enciphering	I must not have enciphered
you must not have enciphered
he must not have enciphered
we must not have enciphered
you must not have enciphered
they must not have enciphered	I must not have been enciphering
you must not have been enciphering
he must not have been enciphering
we must not have been enciphering
you must not have been enciphering
they must not have been enciphering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I encipher?
must you encipher?
must he encipher?
must we encipher?
must you encipher?
must they encipher? 	must I be enciphering?
must you be enciphering?
must he be enciphering?
must we be enciphering?
must you be enciphering?
must they be enciphering? 	must I have enciphered?
must you have enciphered?
must he 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 he have been enciphering?
must we have been enciphering?
must you have been enciphering?
must they have been enciphering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not encipher?
must you not encipher?
must he not encipher?
must we not encipher?
must you not encipher?
must they not encipher? 	must I not be enciphering?
must you not be enciphering?
must he not be enciphering?
must we not be enciphering?
must you not be enciphering?
must they not be enciphering? 	must I not have enciphered?
must you not have enciphered?
must he not have enciphered?
must we not have enciphered?
must you not have enciphered?
must they not have enciphered? 	must I not have been enciphering?
must you not have been enciphering?
must he not have been enciphering?
must we not have been enciphering?
must you not have been enciphering?
must they not have been enciphering?