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