English verb conjugation
SHOULD CURTSY

Regular verb: curtsy - curtsied - curtsied

Affirmation

Simple form	V-ing form
I'd curtsy you'd curtsy he'd curtsy we'd curtsy you'd curtsy they'd curtsy	I'd be curtsying you'd be curtsying he'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 he 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 he 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 he 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 he 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 he 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 he 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 he curtsy? should we curtsy? should you curtsy? should they curtsy?	should I be curtsying? should you be curtsying? should he 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 he 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 he 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 he 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 he 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 he 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 he have been curtsying? shouldn't we have been curtsying? shouldn't you have been curtsying? shouldn't they have been curtsying?