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