don't I bechance? don't you bechance? doesn't she 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 she bechancing? aren't we bechancing? aren't you bechancing? aren't they bechancing?
Preterite
didn't I bechance? didn't you bechance? didn't she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she have been bechancing? wouldn't we have been bechancing? wouldn't you have been bechancing? wouldn't they have been bechancing?