should tag
Regular verb: tag - tagged- tagged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd tag
you'd tag
he'd tag
we'd tag
you'd tag
they'd tag 	I'd be tagging
you'd be tagging
he'd be tagging
we'd be tagging
you'd be tagging
they'd be tagging	I should've tagged
you should've tagged
he should've tagged
we should've tagged
you should've tagged
they should've tagged	I should've been tagging
you should've been tagging
he should've been tagging
we should've been tagging
you should've been tagging
they should've been tagging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't tag
you shouldn't tag
he shouldn't tag
we shouldn't tag
you shouldn't tag
they shouldn't tag 	I shouldn't be tagging
you shouldn't be tagging
he shouldn't be tagging
we shouldn't be tagging
you shouldn't be tagging
they shouldn't be tagging	I shouldn't have tagged
you shouldn't have tagged
he shouldn't have tagged
we shouldn't have tagged
you shouldn't have tagged
they shouldn't have tagged	I shouldn't have been tagging
you shouldn't have been tagging
he shouldn't have been tagging
we shouldn't have been tagging
you shouldn't have been tagging
they shouldn't have been tagging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I tag?
should you tag?
should he tag?
should we tag?
should you tag?
should they tag? 	should I be tagging?
should you be tagging?
should he be tagging?
should we be tagging?
should you be tagging?
should they be tagging? 	should I have tagged?
should you have tagged?
should he have tagged?
should we have tagged?
should you have tagged?
should they have tagged? 	should I have been tagging?
should you have been tagging?
should he have been tagging?
should we have been tagging?
should you have been tagging?
should they have been tagging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I tag?
shouldn't you tag?
shouldn't he tag?
shouldn't we tag?
shouldn't you tag?
shouldn't they tag? 	shouldn't I be tagging?
shouldn't you be tagging?
shouldn't he be tagging?
shouldn't we be tagging?
shouldn't you be tagging?
shouldn't they be tagging? 	shouldn't I have tagged?
shouldn't you have tagged?
shouldn't he have tagged?
shouldn't we have tagged?
shouldn't you have tagged?
shouldn't they have tagged? 	shouldn't I have been tagging?
shouldn't you have been tagging?
shouldn't he have been tagging?
shouldn't we have been tagging?
shouldn't you have been tagging?
shouldn't they have been tagging?