English verb conjugation
CAN CURTSY

Regular verb: curtsy - curtsied - curtsied

Affirmation

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

Negation

Simple form	V-ing form
I cannot curtsy you cannot curtsy she cannot curtsy we cannot curtsy you cannot curtsy they cannot curtsy	I cannot be curtsying you cannot be curtsying she cannot be curtsying we cannot be curtsying you cannot be curtsying they cannot be curtsying
Perfect	V-ing perfect
I cannot have curtsied you cannot have curtsied she cannot have curtsied we cannot have curtsied you cannot have curtsied they cannot have curtsied	I cannot have been curtsying you cannot have been curtsying she cannot have been curtsying we cannot have been curtsying you cannot have been curtsying they cannot have been curtsying

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can I not curtsy? can you not curtsy? can she not curtsy? can we not curtsy? can you not curtsy? can they not curtsy?	can I not be curtsying? can you not be curtsying? can she not be curtsying? can we not be curtsying? can you not be curtsying? can they not be curtsying?
Perfect	V-ing perfect
can I not have curtsied? can you not have curtsied? can she not have curtsied? can we not have curtsied? can you not have curtsied? can they not have curtsied?	can I not have been curtsying? can you not have been curtsying? can she not have been curtsying? can we not have been curtsying? can you not have been curtsying? can they not have been curtsying?