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