could prefocus
Verbo regular: prefocus - prefocused- prefocused

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could prefocus
you could prefocus
he could prefocus
we could prefocus
you could prefocus
they could prefocus 	I could be prefocusing
you could be prefocusing
he could be prefocusing
we could be prefocusing
you could be prefocusing
they could be prefocusing	I could have prefocused
you could have prefocused
he could have prefocused
we could have prefocused
you could have prefocused
they could have prefocused	I could have been prefocusing
you could have been prefocusing
he could have been prefocusing
we could have been prefocusing
you could have been prefocusing
they could have been prefocusing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not prefocus
you could not prefocus
he could not prefocus
we could not prefocus
you could not prefocus
they could not prefocus 	I could not be prefocusing
you could not be prefocusing
he could not be prefocusing
we could not be prefocusing
you could not be prefocusing
they could not be prefocusing	I could not have prefocused
you could not have prefocused
he could not have prefocused
we could not have prefocused
you could not have prefocused
they could not have prefocused	I could not have been prefocusing
you could not have been prefocusing
he could not have been prefocusing
we could not have been prefocusing
you could not have been prefocusing
they could not have been prefocusing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I prefocus?
could you prefocus?
could he prefocus?
could we prefocus?
could you prefocus?
could they prefocus? 	could I be prefocusing?
could you be prefocusing?
could he be prefocusing?
could we be prefocusing?
could you be prefocusing?
could they be prefocusing? 	could I have prefocused?
could you have prefocused?
could he have prefocused?
could we have prefocused?
could you have prefocused?
could they have prefocused? 	could I have been prefocusing?
could you have been prefocusing?
could he have been prefocusing?
could we have been prefocusing?
could you have been prefocusing?
could they have been prefocusing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not prefocus?
could you not prefocus?
could he not prefocus?
could we not prefocus?
could you not prefocus?
could they not prefocus? 	could I not be prefocusing?
could you not be prefocusing?
could he not be prefocusing?
could we not be prefocusing?
could you not be prefocusing?
could they not be prefocusing? 	could I not have prefocused?
could you not have prefocused?
could he not have prefocused?
could we not have prefocused?
could you not have prefocused?
could they not have prefocused? 	could I not have been prefocusing?
could you not have been prefocusing?
could he not have been prefocusing?
could we not have been prefocusing?
could you not have been prefocusing?
could they not have been prefocusing?