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