English verb conjugation
COULD DECRYPT

Regular verb: decrypt - decrypted - decrypted

Affirmation

Simple form	V-ing form
I could decrypt you could decrypt he could decrypt we could decrypt you could decrypt they could decrypt	I could be decrypting you could be decrypting he could be decrypting we could be decrypting you could be decrypting they could be decrypting
Perfect	V-ing perfect
I could have decrypted you could have decrypted he could have decrypted we could have decrypted you could have decrypted they could have decrypted	I could have been decrypting you could have been decrypting he could have been decrypting we could have been decrypting you could have been decrypting they could have been decrypting

Negation

Simple form	V-ing form
I could not decrypt you could not decrypt he could not decrypt we could not decrypt you could not decrypt they could not decrypt	I could not be decrypting you could not be decrypting he could not be decrypting we could not be decrypting you could not be decrypting they could not be decrypting
Perfect	V-ing perfect
I could not have decrypted you could not have decrypted he could not have decrypted we could not have decrypted you could not have decrypted they could not have decrypted	I could not have been decrypting you could not have been decrypting he could not have been decrypting we could not have been decrypting you could not have been decrypting they could not have been decrypting

Interrogative form

Simple form	V-ing form
could I decrypt? could you decrypt? could he decrypt? could we decrypt? could you decrypt? could they decrypt?	could I be decrypting? could you be decrypting? could he be decrypting? could we be decrypting? could you be decrypting? could they be decrypting?
Perfect	V-ing perfect
could I have decrypted? could you have decrypted? could he have decrypted? could we have decrypted? could you have decrypted? could they have decrypted?	could I have been decrypting? could you have been decrypting? could he have been decrypting? could we have been decrypting? could you have been decrypting? could they have been decrypting?

Interro-negative form

Simple form	V-ing form
could I not decrypt? could you not decrypt? could he not decrypt? could we not decrypt? could you not decrypt? could they not decrypt?	could I not be decrypting? could you not be decrypting? could he not be decrypting? could we not be decrypting? could you not be decrypting? could they not be decrypting?
Perfect	V-ing perfect
could I not have decrypted? could you not have decrypted? could he not have decrypted? could we not have decrypted? could you not have decrypted? could they not have decrypted?	could I not have been decrypting? could you not have been decrypting? could he not have been decrypting? could we not have been decrypting? could you not have been decrypting? could they not have been decrypting?