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