should curd
Regular verb: curd - curded- curded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd curd
you'd curd
she'd curd
we'd curd
you'd curd
they'd curd 	I'd be curding
you'd be curding
she'd be curding
we'd be curding
you'd be curding
they'd be curding	I should've curded
you should've curded
she should've curded
we should've curded
you should've curded
they should've curded	I should've been curding
you should've been curding
she should've been curding
we should've been curding
you should've been curding
they should've been curding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't curd
you shouldn't curd
she shouldn't curd
we shouldn't curd
you shouldn't curd
they shouldn't curd 	I shouldn't be curding
you shouldn't be curding
she shouldn't be curding
we shouldn't be curding
you shouldn't be curding
they shouldn't be curding	I shouldn't have curded
you shouldn't have curded
she shouldn't have curded
we shouldn't have curded
you shouldn't have curded
they shouldn't have curded	I shouldn't have been curding
you shouldn't have been curding
she shouldn't have been curding
we shouldn't have been curding
you shouldn't have been curding
they shouldn't have been curding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I curd?
should you curd?
should she curd?
should we curd?
should you curd?
should they curd? 	should I be curding?
should you be curding?
should she be curding?
should we be curding?
should you be curding?
should they be curding? 	should I have curded?
should you have curded?
should she have curded?
should we have curded?
should you have curded?
should they have curded? 	should I have been curding?
should you have been curding?
should she have been curding?
should we have been curding?
should you have been curding?
should they have been curding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I curd?
shouldn't you curd?
shouldn't she curd?
shouldn't we curd?
shouldn't you curd?
shouldn't they curd? 	shouldn't I be curding?
shouldn't you be curding?
shouldn't she be curding?
shouldn't we be curding?
shouldn't you be curding?
shouldn't they be curding? 	shouldn't I have curded?
shouldn't you have curded?
shouldn't she have curded?
shouldn't we have curded?
shouldn't you have curded?
shouldn't they have curded? 	shouldn't I have been curding?
shouldn't you have been curding?
shouldn't she have been curding?
shouldn't we have been curding?
shouldn't you have been curding?
shouldn't they have been curding?