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