English verb conjugation
SHOULD CURTSY

Regular verb: curtsy - curtsied - curtsied

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?