should advantage
Regular verb: advantage - advantaged- advantaged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd advantage
you'd advantage
she'd advantage
we'd advantage
you'd advantage
they'd advantage 	I'd be advantaging
you'd be advantaging
she'd be advantaging
we'd be advantaging
you'd be advantaging
they'd be advantaging	I should've advantaged
you should've advantaged
she should've advantaged
we should've advantaged
you should've advantaged
they should've advantaged	I should've been advantaging
you should've been advantaging
she should've been advantaging
we should've been advantaging
you should've been advantaging
they should've been advantaging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't advantage
you shouldn't advantage
she shouldn't advantage
we shouldn't advantage
you shouldn't advantage
they shouldn't advantage 	I shouldn't be advantaging
you shouldn't be advantaging
she shouldn't be advantaging
we shouldn't be advantaging
you shouldn't be advantaging
they shouldn't be advantaging	I shouldn't have advantaged
you shouldn't have advantaged
she shouldn't have advantaged
we shouldn't have advantaged
you shouldn't have advantaged
they shouldn't have advantaged	I shouldn't have been advantaging
you shouldn't have been advantaging
she shouldn't have been advantaging
we shouldn't have been advantaging
you shouldn't have been advantaging
they shouldn't have been advantaging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I advantage?
should you advantage?
should she advantage?
should we advantage?
should you advantage?
should they advantage? 	should I be advantaging?
should you be advantaging?
should she be advantaging?
should we be advantaging?
should you be advantaging?
should they be advantaging? 	should I have advantaged?
should you have advantaged?
should she have advantaged?
should we have advantaged?
should you have advantaged?
should they have advantaged? 	should I have been advantaging?
should you have been advantaging?
should she have been advantaging?
should we have been advantaging?
should you have been advantaging?
should they have been advantaging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I advantage?
shouldn't you advantage?
shouldn't she advantage?
shouldn't we advantage?
shouldn't you advantage?
shouldn't they advantage? 	shouldn't I be advantaging?
shouldn't you be advantaging?
shouldn't she be advantaging?
shouldn't we be advantaging?
shouldn't you be advantaging?
shouldn't they be advantaging? 	shouldn't I have advantaged?
shouldn't you have advantaged?
shouldn't she have advantaged?
shouldn't we have advantaged?
shouldn't you have advantaged?
shouldn't they have advantaged? 	shouldn't I have been advantaging?
shouldn't you have been advantaging?
shouldn't she have been advantaging?
shouldn't we have been advantaging?
shouldn't you have been advantaging?
shouldn't they have been advantaging?