should crud
Regular verb: crud - cruded- cruded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd crud
you'd crud
he'd crud
we'd crud
you'd crud
they'd crud 	I'd be cruding
you'd be cruding
he'd be cruding
we'd be cruding
you'd be cruding
they'd be cruding	I should've cruded
you should've cruded
he should've cruded
we should've cruded
you should've cruded
they should've cruded	I should've been cruding
you should've been cruding
he should've been cruding
we should've been cruding
you should've been cruding
they should've been cruding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't crud
you shouldn't crud
he shouldn't crud
we shouldn't crud
you shouldn't crud
they shouldn't crud 	I shouldn't be cruding
you shouldn't be cruding
he shouldn't be cruding
we shouldn't be cruding
you shouldn't be cruding
they shouldn't be cruding	I shouldn't have cruded
you shouldn't have cruded
he shouldn't have cruded
we shouldn't have cruded
you shouldn't have cruded
they shouldn't have cruded	I shouldn't have been cruding
you shouldn't have been cruding
he shouldn't have been cruding
we shouldn't have been cruding
you shouldn't have been cruding
they shouldn't have been cruding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I crud?
should you crud?
should he crud?
should we crud?
should you crud?
should they crud? 	should I be cruding?
should you be cruding?
should he be cruding?
should we be cruding?
should you be cruding?
should they be cruding? 	should I have cruded?
should you have cruded?
should he have cruded?
should we have cruded?
should you have cruded?
should they have cruded? 	should I have been cruding?
should you have been cruding?
should he have been cruding?
should we have been cruding?
should you have been cruding?
should they have been cruding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I crud?
shouldn't you crud?
shouldn't he crud?
shouldn't we crud?
shouldn't you crud?
shouldn't they crud? 	shouldn't I be cruding?
shouldn't you be cruding?
shouldn't he be cruding?
shouldn't we be cruding?
shouldn't you be cruding?
shouldn't they be cruding? 	shouldn't I have cruded?
shouldn't you have cruded?
shouldn't he have cruded?
shouldn't we have cruded?
shouldn't you have cruded?
shouldn't they have cruded? 	shouldn't I have been cruding?
shouldn't you have been cruding?
shouldn't he have been cruding?
shouldn't we have been cruding?
shouldn't you have been cruding?
shouldn't they have been cruding?