could preattune
Verbo regular: preattune - preattuned- preattuned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could preattune
you could preattune
he could preattune
we could preattune
you could preattune
they could preattune 	I could be preattuning
you could be preattuning
he could be preattuning
we could be preattuning
you could be preattuning
they could be preattuning	I could have preattuned
you could have preattuned
he could have preattuned
we could have preattuned
you could have preattuned
they could have preattuned	I could have been preattuning
you could have been preattuning
he could have been preattuning
we could have been preattuning
you could have been preattuning
they could have been preattuning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not preattune
you could not preattune
he could not preattune
we could not preattune
you could not preattune
they could not preattune 	I could not be preattuning
you could not be preattuning
he could not be preattuning
we could not be preattuning
you could not be preattuning
they could not be preattuning	I could not have preattuned
you could not have preattuned
he could not have preattuned
we could not have preattuned
you could not have preattuned
they could not have preattuned	I could not have been preattuning
you could not have been preattuning
he could not have been preattuning
we could not have been preattuning
you could not have been preattuning
they could not have been preattuning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I preattune?
could you preattune?
could he preattune?
could we preattune?
could you preattune?
could they preattune? 	could I be preattuning?
could you be preattuning?
could he be preattuning?
could we be preattuning?
could you be preattuning?
could they be preattuning? 	could I have preattuned?
could you have preattuned?
could he have preattuned?
could we have preattuned?
could you have preattuned?
could they have preattuned? 	could I have been preattuning?
could you have been preattuning?
could he have been preattuning?
could we have been preattuning?
could you have been preattuning?
could they have been preattuning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not preattune?
could you not preattune?
could he not preattune?
could we not preattune?
could you not preattune?
could they not preattune? 	could I not be preattuning?
could you not be preattuning?
could he not be preattuning?
could we not be preattuning?
could you not be preattuning?
could they not be preattuning? 	could I not have preattuned?
could you not have preattuned?
could he not have preattuned?
could we not have preattuned?
could you not have preattuned?
could they not have preattuned? 	could I not have been preattuning?
could you not have been preattuning?
could he not have been preattuning?
could we not have been preattuning?
could you not have been preattuning?
could they not have been preattuning?