can father
Verbo regular: father - fathered- fathered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can father
you can father
he can father
we can father
you can father
they can father 	I can be fathering
you can be fathering
he can be fathering
we can be fathering
you can be fathering
they can be fathering	I can have fathered
you can have fathered
he can have fathered
we can have fathered
you can have fathered
they can have fathered	I can have been fathering
you can have been fathering
he can have been fathering
we can have been fathering
you can have been fathering
they can have been fathering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot father
you cannot father
he cannot father
we cannot father
you cannot father
they cannot father 	I cannot be fathering
you cannot be fathering
he cannot be fathering
we cannot be fathering
you cannot be fathering
they cannot be fathering	I cannot have fathered
you cannot have fathered
he cannot have fathered
we cannot have fathered
you cannot have fathered
they cannot have fathered	I cannot have been fathering
you cannot have been fathering
he cannot have been fathering
we cannot have been fathering
you cannot have been fathering
they cannot have been fathering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I father?
can you father?
can he father?
can we father?
can you father?
can they father? 	can I be fathering?
can you be fathering?
can he be fathering?
can we be fathering?
can you be fathering?
can they be fathering? 	can I have fathered?
can you have fathered?
can he have fathered?
can we have fathered?
can you have fathered?
can they have fathered? 	can I have been fathering?
can you have been fathering?
can he have been fathering?
can we have been fathering?
can you have been fathering?
can they have been fathering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not father?
can you not father?
can he not father?
can we not father?
can you not father?
can they not father? 	can I not be fathering?
can you not be fathering?
can he not be fathering?
can we not be fathering?
can you not be fathering?
can they not be fathering? 	can I not have fathered?
can you not have fathered?
can he not have fathered?
can we not have fathered?
can you not have fathered?
can they not have fathered? 	can I not have been fathering?
can you not have been fathering?
can he not have been fathering?
can we not have been fathering?
can you not have been fathering?
can they not have been fathering?