should cog
Regular verb: cog - coged- coged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd cog
you'd cog
she'd cog
we'd cog
you'd cog
they'd cog 	I'd be coging
you'd be coging
she'd be coging
we'd be coging
you'd be coging
they'd be coging	I should've coged
you should've coged
she should've coged
we should've coged
you should've coged
they should've coged	I should've been coging
you should've been coging
she should've been coging
we should've been coging
you should've been coging
they should've been coging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't cog
you shouldn't cog
she shouldn't cog
we shouldn't cog
you shouldn't cog
they shouldn't cog 	I shouldn't be coging
you shouldn't be coging
she shouldn't be coging
we shouldn't be coging
you shouldn't be coging
they shouldn't be coging	I shouldn't have coged
you shouldn't have coged
she shouldn't have coged
we shouldn't have coged
you shouldn't have coged
they shouldn't have coged	I shouldn't have been coging
you shouldn't have been coging
she shouldn't have been coging
we shouldn't have been coging
you shouldn't have been coging
they shouldn't have been coging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I cog?
should you cog?
should she cog?
should we cog?
should you cog?
should they cog? 	should I be coging?
should you be coging?
should she be coging?
should we be coging?
should you be coging?
should they be coging? 	should I have coged?
should you have coged?
should she have coged?
should we have coged?
should you have coged?
should they have coged? 	should I have been coging?
should you have been coging?
should she have been coging?
should we have been coging?
should you have been coging?
should they have been coging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I cog?
shouldn't you cog?
shouldn't she cog?
shouldn't we cog?
shouldn't you cog?
shouldn't they cog? 	shouldn't I be coging?
shouldn't you be coging?
shouldn't she be coging?
shouldn't we be coging?
shouldn't you be coging?
shouldn't they be coging? 	shouldn't I have coged?
shouldn't you have coged?
shouldn't she have coged?
shouldn't we have coged?
shouldn't you have coged?
shouldn't they have coged? 	shouldn't I have been coging?
shouldn't you have been coging?
shouldn't she have been coging?
shouldn't we have been coging?
shouldn't you have been coging?
shouldn't they have been coging?