I'd be welcoming you'd be welcoming he'd be welcoming we'd be welcoming you'd be welcoming they'd be welcoming
Perfect
I should've welcomed you should've welcomed he 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 he 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 he 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 he 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 he 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 he 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 he welcome? should we welcome? should you welcome? should they welcome?
V-ing form
should I be welcoming? should you be welcoming? should he be welcoming? should we be welcoming? should you be welcoming? should they be welcoming?
Perfect
should I have welcomed? should you have welcomed? should he 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 he 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 he 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 he 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 he 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 he have been welcoming? shouldn't we have been welcoming? shouldn't you have been welcoming? shouldn't they have been welcoming?