should crib
Regular verb: crib - cribbed- cribbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd crib
you'd crib
she'd crib
we'd crib
you'd crib
they'd crib 	I'd be cribbing
you'd be cribbing
she'd be cribbing
we'd be cribbing
you'd be cribbing
they'd be cribbing	I should've cribbed
you should've cribbed
she should've cribbed
we should've cribbed
you should've cribbed
they should've cribbed	I should've been cribbing
you should've been cribbing
she should've been cribbing
we should've been cribbing
you should've been cribbing
they should've been cribbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't crib
you shouldn't crib
she shouldn't crib
we shouldn't crib
you shouldn't crib
they shouldn't crib 	I shouldn't be cribbing
you shouldn't be cribbing
she shouldn't be cribbing
we shouldn't be cribbing
you shouldn't be cribbing
they shouldn't be cribbing	I shouldn't have cribbed
you shouldn't have cribbed
she shouldn't have cribbed
we shouldn't have cribbed
you shouldn't have cribbed
they shouldn't have cribbed	I shouldn't have been cribbing
you shouldn't have been cribbing
she shouldn't have been cribbing
we shouldn't have been cribbing
you shouldn't have been cribbing
they shouldn't have been cribbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I crib?
should you crib?
should she crib?
should we crib?
should you crib?
should they crib? 	should I be cribbing?
should you be cribbing?
should she be cribbing?
should we be cribbing?
should you be cribbing?
should they be cribbing? 	should I have cribbed?
should you have cribbed?
should she have cribbed?
should we have cribbed?
should you have cribbed?
should they have cribbed? 	should I have been cribbing?
should you have been cribbing?
should she have been cribbing?
should we have been cribbing?
should you have been cribbing?
should they have been cribbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I crib?
shouldn't you crib?
shouldn't she crib?
shouldn't we crib?
shouldn't you crib?
shouldn't they crib? 	shouldn't I be cribbing?
shouldn't you be cribbing?
shouldn't she be cribbing?
shouldn't we be cribbing?
shouldn't you be cribbing?
shouldn't they be cribbing? 	shouldn't I have cribbed?
shouldn't you have cribbed?
shouldn't she have cribbed?
shouldn't we have cribbed?
shouldn't you have cribbed?
shouldn't they have cribbed? 	shouldn't I have been cribbing?
shouldn't you have been cribbing?
shouldn't she have been cribbing?
shouldn't we have been cribbing?
shouldn't you have been cribbing?
shouldn't they have been cribbing?