should gag
Regular verb: gag - gagged- gagged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd gag
you'd gag
he'd gag
we'd gag
you'd gag
they'd gag 	I'd be gagging
you'd be gagging
he'd be gagging
we'd be gagging
you'd be gagging
they'd be gagging	I should've gagged
you should've gagged
he should've gagged
we should've gagged
you should've gagged
they should've gagged	I should've been gagging
you should've been gagging
he should've been gagging
we should've been gagging
you should've been gagging
they should've been gagging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't gag
you shouldn't gag
he shouldn't gag
we shouldn't gag
you shouldn't gag
they shouldn't gag 	I shouldn't be gagging
you shouldn't be gagging
he shouldn't be gagging
we shouldn't be gagging
you shouldn't be gagging
they shouldn't be gagging	I shouldn't have gagged
you shouldn't have gagged
he shouldn't have gagged
we shouldn't have gagged
you shouldn't have gagged
they shouldn't have gagged	I shouldn't have been gagging
you shouldn't have been gagging
he shouldn't have been gagging
we shouldn't have been gagging
you shouldn't have been gagging
they shouldn't have been gagging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I gag?
should you gag?
should he gag?
should we gag?
should you gag?
should they gag? 	should I be gagging?
should you be gagging?
should he be gagging?
should we be gagging?
should you be gagging?
should they be gagging? 	should I have gagged?
should you have gagged?
should he have gagged?
should we have gagged?
should you have gagged?
should they have gagged? 	should I have been gagging?
should you have been gagging?
should he have been gagging?
should we have been gagging?
should you have been gagging?
should they have been gagging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I gag?
shouldn't you gag?
shouldn't he gag?
shouldn't we gag?
shouldn't you gag?
shouldn't they gag? 	shouldn't I be gagging?
shouldn't you be gagging?
shouldn't he be gagging?
shouldn't we be gagging?
shouldn't you be gagging?
shouldn't they be gagging? 	shouldn't I have gagged?
shouldn't you have gagged?
shouldn't he have gagged?
shouldn't we have gagged?
shouldn't you have gagged?
shouldn't they have gagged? 	shouldn't I have been gagging?
shouldn't you have been gagging?
shouldn't he have been gagging?
shouldn't we have been gagging?
shouldn't you have been gagging?
shouldn't they have been gagging?