could encipher
Verbe régulier : encipher - enciphered- enciphered

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

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

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

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