could footnote
Verbo regular: footnote - footnoted- footnoted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could footnote
you could footnote
she could footnote
we could footnote
you could footnote
they could footnote 	I could be footnoting
you could be footnoting
she could be footnoting
we could be footnoting
you could be footnoting
they could be footnoting	I could have footnoted
you could have footnoted
she 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
she could have been footnoting
we could have been footnoting
you could have been footnoting
they could have been footnoting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not footnote
you could not footnote
she 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
she 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
she 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
she 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
could I footnote?
could you footnote?
could she footnote?
could we footnote?
could you footnote?
could they footnote? 	could I be footnoting?
could you be footnoting?
could she be footnoting?
could we be footnoting?
could you be footnoting?
could they be footnoting? 	could I have footnoted?
could you have footnoted?
could she 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 she have been footnoting?
could we have been footnoting?
could you have been footnoting?
could they have been footnoting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not footnote?
could you not footnote?
could she 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 she 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 she 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 she not have been footnoting?
could we not have been footnoting?
could you not have been footnoting?
could they not have been footnoting?