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