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