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