don't I decipher? don't you decipher? doesn't he decipher? don't we decipher? don't you decipher? don't they decipher?
Present continuous
am I not deciphering? aren't you deciphering? isn't he deciphering? aren't we deciphering? aren't you deciphering? aren't they deciphering?
Preterite
didn't I decipher? didn't you decipher? didn't he decipher? didn't we decipher? didn't you decipher? didn't they decipher?
Preterite continuous
wasn't I deciphering? weren't you deciphering? wasn't he deciphering? weren't we deciphering? weren't you deciphering? weren't they deciphering?
Present perfect
haven't I deciphered? haven't you deciphered? hasn't he deciphered? haven't we deciphered? haven't you deciphered? haven't they deciphered?
Present perfect continuous
haven't I been deciphering? haven't you been deciphering? hasn't he been deciphering? haven't we been deciphering? haven't you been deciphering? haven't they been deciphering?
Pluperfect
hadn't I deciphered? hadn't you deciphered? hadn't he deciphered? hadn't we deciphered? hadn't you deciphered? hadn't they deciphered?
Pluperfect continuous
hadn't I been deciphering? hadn't you been deciphering? hadn't he been deciphering? hadn't we been deciphering? hadn't you been deciphering? hadn't they been deciphering?
Future
won't I decipher? won't you decipher? won't he decipher? won't we decipher? won't you decipher? won't they decipher?
Future continuous
won't I be deciphering? won't you be deciphering? won't he be deciphering? won't we be deciphering? won't you be deciphering? won't they be deciphering?
Future perfect
won't I have deciphered? won't you have deciphered? won't he have deciphered? won't we have deciphered? won't you have deciphered? won't they have deciphered?
Future perfect continuous
won't I have been deciphering? won't you have been deciphering? won't he have been deciphering? won't we have been deciphering? won't you have been deciphering? won't they have been deciphering?
Conditional
Present
wouldn't I decipher? wouldn't you decipher? wouldn't he decipher? wouldn't we decipher? wouldn't you decipher? wouldn't they decipher?
Present continuous
wouldn't I be deciphering? wouldn't you be deciphering? wouldn't he be deciphering? wouldn't we be deciphering? wouldn't you be deciphering? wouldn't they be deciphering?
Past
wouldn't I have deciphered? wouldn't you have deciphered? wouldn't he have deciphered? wouldn't we have deciphered? wouldn't you have deciphered? wouldn't they have deciphered?
Past continuous
wouldn't I have been deciphering? wouldn't you have been deciphering? wouldn't he have been deciphering? wouldn't we have been deciphering? wouldn't you have been deciphering? wouldn't they have been deciphering?