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