should curtsy
Regular verb: curtsy - curtsied- curtsied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd curtsy
you'd curtsy
she'd curtsy
we'd curtsy
you'd curtsy
they'd curtsy 	I'd be curtsying
you'd be curtsying
she'd be curtsying
we'd be curtsying
you'd be curtsying
they'd be curtsying	I should've curtsied
you should've curtsied
she should've curtsied
we should've curtsied
you should've curtsied
they should've curtsied	I should've been curtsying
you should've been curtsying
she should've been curtsying
we should've been curtsying
you should've been curtsying
they should've been curtsying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't curtsy
you shouldn't curtsy
she shouldn't curtsy
we shouldn't curtsy
you shouldn't curtsy
they shouldn't curtsy 	I shouldn't be curtsying
you shouldn't be curtsying
she shouldn't be curtsying
we shouldn't be curtsying
you shouldn't be curtsying
they shouldn't be curtsying	I shouldn't have curtsied
you shouldn't have curtsied
she shouldn't have curtsied
we shouldn't have curtsied
you shouldn't have curtsied
they shouldn't have curtsied	I shouldn't have been curtsying
you shouldn't have been curtsying
she shouldn't have been curtsying
we shouldn't have been curtsying
you shouldn't have been curtsying
they shouldn't have been curtsying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I curtsy?
should you curtsy?
should she curtsy?
should we curtsy?
should you curtsy?
should they curtsy? 	should I be curtsying?
should you be curtsying?
should she be curtsying?
should we be curtsying?
should you be curtsying?
should they be curtsying? 	should I have curtsied?
should you have curtsied?
should she have curtsied?
should we have curtsied?
should you have curtsied?
should they have curtsied? 	should I have been curtsying?
should you have been curtsying?
should she have been curtsying?
should we have been curtsying?
should you have been curtsying?
should they have been curtsying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I curtsy?
shouldn't you curtsy?
shouldn't she curtsy?
shouldn't we curtsy?
shouldn't you curtsy?
shouldn't they curtsy? 	shouldn't I be curtsying?
shouldn't you be curtsying?
shouldn't she be curtsying?
shouldn't we be curtsying?
shouldn't you be curtsying?
shouldn't they be curtsying? 	shouldn't I have curtsied?
shouldn't you have curtsied?
shouldn't she have curtsied?
shouldn't we have curtsied?
shouldn't you have curtsied?
shouldn't they have curtsied? 	shouldn't I have been curtsying?
shouldn't you have been curtsying?
shouldn't she have been curtsying?
shouldn't we have been curtsying?
shouldn't you have been curtsying?
shouldn't they have been curtsying?