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