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