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