could curtsey
Verbo regular: curtsey - curtseyed- curtseyed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could curtsey
you could curtsey
he could curtsey
we could curtsey
you could curtsey
they could curtsey 	I could be curtseying
you could be curtseying
he could be curtseying
we could be curtseying
you could be curtseying
they could be curtseying	I could have curtseyed
you could have curtseyed
he could have curtseyed
we could have curtseyed
you could have curtseyed
they could have curtseyed	I could have been curtseying
you could have been curtseying
he could have been curtseying
we could have been curtseying
you could have been curtseying
they could have been curtseying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not curtsey
you could not curtsey
he could not curtsey
we could not curtsey
you could not curtsey
they could not curtsey 	I could not be curtseying
you could not be curtseying
he could not be curtseying
we could not be curtseying
you could not be curtseying
they could not be curtseying	I could not have curtseyed
you could not have curtseyed
he could not have curtseyed
we could not have curtseyed
you could not have curtseyed
they could not have curtseyed	I could not have been curtseying
you could not have been curtseying
he could not have been curtseying
we could not have been curtseying
you could not have been curtseying
they could not have been curtseying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I curtsey?
could you curtsey?
could he curtsey?
could we curtsey?
could you curtsey?
could they curtsey? 	could I be curtseying?
could you be curtseying?
could he be curtseying?
could we be curtseying?
could you be curtseying?
could they be curtseying? 	could I have curtseyed?
could you have curtseyed?
could he have curtseyed?
could we have curtseyed?
could you have curtseyed?
could they have curtseyed? 	could I have been curtseying?
could you have been curtseying?
could he have been curtseying?
could we have been curtseying?
could you have been curtseying?
could they have been curtseying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not curtsey?
could you not curtsey?
could he not curtsey?
could we not curtsey?
could you not curtsey?
could they not curtsey? 	could I not be curtseying?
could you not be curtseying?
could he not be curtseying?
could we not be curtseying?
could you not be curtseying?
could they not be curtseying? 	could I not have curtseyed?
could you not have curtseyed?
could he not have curtseyed?
could we not have curtseyed?
could you not have curtseyed?
could they not have curtseyed? 	could I not have been curtseying?
could you not have been curtseying?
could he not have been curtseying?
could we not have been curtseying?
could you not have been curtseying?
could they not have been curtseying?