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