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