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