could footnote
Verbo regular: footnote - footnoted- footnoted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could footnote
you could footnote
he could footnote
we could footnote
you could footnote
they could footnote 	I could be footnoting
you could be footnoting
he could be footnoting
we could be footnoting
you could be footnoting
they could be footnoting	I could have footnoted
you could have footnoted
he could have footnoted
we could have footnoted
you could have footnoted
they could have footnoted	I could have been footnoting
you could have been footnoting
he could have been footnoting
we could have been footnoting
you could have been footnoting
they could have been footnoting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not footnote
you could not footnote
he could not footnote
we could not footnote
you could not footnote
they could not footnote 	I could not be footnoting
you could not be footnoting
he could not be footnoting
we could not be footnoting
you could not be footnoting
they could not be footnoting	I could not have footnoted
you could not have footnoted
he could not have footnoted
we could not have footnoted
you could not have footnoted
they could not have footnoted	I could not have been footnoting
you could not have been footnoting
he could not have been footnoting
we could not have been footnoting
you could not have been footnoting
they could not have been footnoting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I footnote?
could you footnote?
could he footnote?
could we footnote?
could you footnote?
could they footnote? 	could I be footnoting?
could you be footnoting?
could he be footnoting?
could we be footnoting?
could you be footnoting?
could they be footnoting? 	could I have footnoted?
could you have footnoted?
could he have footnoted?
could we have footnoted?
could you have footnoted?
could they have footnoted? 	could I have been footnoting?
could you have been footnoting?
could he have been footnoting?
could we have been footnoting?
could you have been footnoting?
could they have been footnoting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not footnote?
could you not footnote?
could he not footnote?
could we not footnote?
could you not footnote?
could they not footnote? 	could I not be footnoting?
could you not be footnoting?
could he not be footnoting?
could we not be footnoting?
could you not be footnoting?
could they not be footnoting? 	could I not have footnoted?
could you not have footnoted?
could he not have footnoted?
could we not have footnoted?
could you not have footnoted?
could they not have footnoted? 	could I not have been footnoting?
could you not have been footnoting?
could he not have been footnoting?
could we not have been footnoting?
could you not have been footnoting?
could they not have been footnoting?