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