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