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