should preinvite
Regular verb: preinvite - preinvited- preinvited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd preinvite
you'd preinvite
she'd preinvite
we'd preinvite
you'd preinvite
they'd preinvite 	I'd be preinviting
you'd be preinviting
she'd be preinviting
we'd be preinviting
you'd be preinviting
they'd be preinviting	I should've preinvited
you should've preinvited
she should've preinvited
we should've preinvited
you should've preinvited
they should've preinvited	I should've been preinviting
you should've been preinviting
she should've been preinviting
we should've been preinviting
you should've been preinviting
they should've been preinviting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't preinvite
you shouldn't preinvite
she shouldn't preinvite
we shouldn't preinvite
you shouldn't preinvite
they shouldn't preinvite 	I shouldn't be preinviting
you shouldn't be preinviting
she shouldn't be preinviting
we shouldn't be preinviting
you shouldn't be preinviting
they shouldn't be preinviting	I shouldn't have preinvited
you shouldn't have preinvited
she shouldn't have preinvited
we shouldn't have preinvited
you shouldn't have preinvited
they shouldn't have preinvited	I shouldn't have been preinviting
you shouldn't have been preinviting
she shouldn't have been preinviting
we shouldn't have been preinviting
you shouldn't have been preinviting
they shouldn't have been preinviting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I preinvite?
should you preinvite?
should she preinvite?
should we preinvite?
should you preinvite?
should they preinvite? 	should I be preinviting?
should you be preinviting?
should she be preinviting?
should we be preinviting?
should you be preinviting?
should they be preinviting? 	should I have preinvited?
should you have preinvited?
should she have preinvited?
should we have preinvited?
should you have preinvited?
should they have preinvited? 	should I have been preinviting?
should you have been preinviting?
should she have been preinviting?
should we have been preinviting?
should you have been preinviting?
should they have been preinviting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I preinvite?
shouldn't you preinvite?
shouldn't she preinvite?
shouldn't we preinvite?
shouldn't you preinvite?
shouldn't they preinvite? 	shouldn't I be preinviting?
shouldn't you be preinviting?
shouldn't she be preinviting?
shouldn't we be preinviting?
shouldn't you be preinviting?
shouldn't they be preinviting? 	shouldn't I have preinvited?
shouldn't you have preinvited?
shouldn't she have preinvited?
shouldn't we have preinvited?
shouldn't you have preinvited?
shouldn't they have preinvited? 	shouldn't I have been preinviting?
shouldn't you have been preinviting?
shouldn't she have been preinviting?
shouldn't we have been preinviting?
shouldn't you have been preinviting?
shouldn't they have been preinviting?