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