should drag
Regular verb: drag - dragged- dragged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd drag
you'd drag
she'd drag
we'd drag
you'd drag
they'd drag 	I'd be dragging
you'd be dragging
she'd be dragging
we'd be dragging
you'd be dragging
they'd be dragging	I should've dragged
you should've dragged
she should've dragged
we should've dragged
you should've dragged
they should've dragged	I should've been dragging
you should've been dragging
she should've been dragging
we should've been dragging
you should've been dragging
they should've been dragging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't drag
you shouldn't drag
she shouldn't drag
we shouldn't drag
you shouldn't drag
they shouldn't drag 	I shouldn't be dragging
you shouldn't be dragging
she shouldn't be dragging
we shouldn't be dragging
you shouldn't be dragging
they shouldn't be dragging	I shouldn't have dragged
you shouldn't have dragged
she shouldn't have dragged
we shouldn't have dragged
you shouldn't have dragged
they shouldn't have dragged	I shouldn't have been dragging
you shouldn't have been dragging
she shouldn't have been dragging
we shouldn't have been dragging
you shouldn't have been dragging
they shouldn't have been dragging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I drag?
should you drag?
should she drag?
should we drag?
should you drag?
should they drag? 	should I be dragging?
should you be dragging?
should she be dragging?
should we be dragging?
should you be dragging?
should they be dragging? 	should I have dragged?
should you have dragged?
should she have dragged?
should we have dragged?
should you have dragged?
should they have dragged? 	should I have been dragging?
should you have been dragging?
should she have been dragging?
should we have been dragging?
should you have been dragging?
should they have been dragging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I drag?
shouldn't you drag?
shouldn't she drag?
shouldn't we drag?
shouldn't you drag?
shouldn't they drag? 	shouldn't I be dragging?
shouldn't you be dragging?
shouldn't she be dragging?
shouldn't we be dragging?
shouldn't you be dragging?
shouldn't they be dragging? 	shouldn't I have dragged?
shouldn't you have dragged?
shouldn't she have dragged?
shouldn't we have dragged?
shouldn't you have dragged?
shouldn't they have dragged? 	shouldn't I have been dragging?
shouldn't you have been dragging?
shouldn't she have been dragging?
shouldn't we have been dragging?
shouldn't you have been dragging?
shouldn't they have been dragging?