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