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 couldn't footnote
you couldn't footnote
he couldn't footnote
we couldn't footnote
you couldn't footnote
they couldn't footnote 	I couldn't be footnoting
you couldn't be footnoting
he couldn't be footnoting
we couldn't be footnoting
you couldn't be footnoting
they couldn't be footnoting	I couldn't have footnoted
you couldn't have footnoted
he couldn't have footnoted
we couldn't have footnoted
you couldn't have footnoted
they couldn't have footnoted	I couldn't have been footnoting
you couldn't have been footnoting
he couldn't have been footnoting
we couldn't have been footnoting
you couldn't have been footnoting
they couldn't 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 	
couldn't I footnote?
couldn't you footnote?
couldn't he footnote?
couldn't we footnote?
couldn't you footnote?
couldn't they footnote? 	couldn't I be footnoting?
couldn't you be footnoting?
couldn't he be footnoting?
couldn't we be footnoting?
couldn't you be footnoting?
couldn't they be footnoting? 	couldn't I have footnoted?
couldn't you have footnoted?
couldn't he have footnoted?
couldn't we have footnoted?
couldn't you have footnoted?
couldn't they have footnoted? 	couldn't I have been footnoting?
couldn't you have been footnoting?
couldn't he have been footnoting?
couldn't we have been footnoting?
couldn't you have been footnoting?
couldn't they have been footnoting?