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