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