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