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