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