could castrate
Verbo regular: castrate - castrated- castrated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could castrate
you could castrate
he could castrate
we could castrate
you could castrate
they could castrate 	I could be castrating
you could be castrating
he could be castrating
we could be castrating
you could be castrating
they could be castrating	I could have castrated
you could have castrated
he could have castrated
we could have castrated
you could have castrated
they could have castrated	I could have been castrating
you could have been castrating
he could have been castrating
we could have been castrating
you could have been castrating
they could have been castrating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not castrate
you could not castrate
he could not castrate
we could not castrate
you could not castrate
they could not castrate 	I could not be castrating
you could not be castrating
he could not be castrating
we could not be castrating
you could not be castrating
they could not be castrating	I could not have castrated
you could not have castrated
he could not have castrated
we could not have castrated
you could not have castrated
they could not have castrated	I could not have been castrating
you could not have been castrating
he could not have been castrating
we could not have been castrating
you could not have been castrating
they could not have been castrating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I castrate?
could you castrate?
could he castrate?
could we castrate?
could you castrate?
could they castrate? 	could I be castrating?
could you be castrating?
could he be castrating?
could we be castrating?
could you be castrating?
could they be castrating? 	could I have castrated?
could you have castrated?
could he have castrated?
could we have castrated?
could you have castrated?
could they have castrated? 	could I have been castrating?
could you have been castrating?
could he have been castrating?
could we have been castrating?
could you have been castrating?
could they have been castrating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not castrate?
could you not castrate?
could he not castrate?
could we not castrate?
could you not castrate?
could they not castrate? 	could I not be castrating?
could you not be castrating?
could he not be castrating?
could we not be castrating?
could you not be castrating?
could they not be castrating? 	could I not have castrated?
could you not have castrated?
could he not have castrated?
could we not have castrated?
could you not have castrated?
could they not have castrated? 	could I not have been castrating?
could you not have been castrating?
could he not have been castrating?
could we not have been castrating?
could you not have been castrating?
could they not have been castrating?