I'd be welcoming you'd be welcoming she'd be welcoming we'd be welcoming you'd be welcoming they'd be welcoming
Perfect
I should've welcomed you should've welcomed she should've welcomed we should've welcomed you should've welcomed they should've welcomed
V-ing perfect
I should've been welcoming you should've been welcoming she should've been welcoming we should've been welcoming you should've been welcoming they should've been welcoming
Negation
Simple form
I shouldn't welcome you shouldn't welcome she shouldn't welcome we shouldn't welcome you shouldn't welcome they shouldn't welcome
V-ing form
I shouldn't be welcoming you shouldn't be welcoming she shouldn't be welcoming we shouldn't be welcoming you shouldn't be welcoming they shouldn't be welcoming
Perfect
I shouldn't have welcomed you shouldn't have welcomed she shouldn't have welcomed we shouldn't have welcomed you shouldn't have welcomed they shouldn't have welcomed
V-ing perfect
I shouldn't have been welcoming you shouldn't have been welcoming she shouldn't have been welcoming we shouldn't have been welcoming you shouldn't have been welcoming they shouldn't have been welcoming
Interrogative form
Simple form
should I welcome? should you welcome? should she welcome? should we welcome? should you welcome? should they welcome?
V-ing form
should I be welcoming? should you be welcoming? should she be welcoming? should we be welcoming? should you be welcoming? should they be welcoming?
Perfect
should I have welcomed? should you have welcomed? should she have welcomed? should we have welcomed? should you have welcomed? should they have welcomed?
V-ing perfect
should I have been welcoming? should you have been welcoming? should she have been welcoming? should we have been welcoming? should you have been welcoming? should they have been welcoming?
Interro-negative form
Simple form
shouldn't I welcome? shouldn't you welcome? shouldn't she welcome? shouldn't we welcome? shouldn't you welcome? shouldn't they welcome?
V-ing form
shouldn't I be welcoming? shouldn't you be welcoming? shouldn't she be welcoming? shouldn't we be welcoming? shouldn't you be welcoming? shouldn't they be welcoming?
Perfect
shouldn't I have welcomed? shouldn't you have welcomed? shouldn't she have welcomed? shouldn't we have welcomed? shouldn't you have welcomed? shouldn't they have welcomed?
V-ing perfect
shouldn't I have been welcoming? shouldn't you have been welcoming? shouldn't she have been welcoming? shouldn't we have been welcoming? shouldn't you have been welcoming? shouldn't they have been welcoming?