Conjugación del verbo inglés
COULD FOCUS

Verbo regular: focus - focused - focused

Afirmación

Forma simple	Forma con V-ing
I could focus you could focus she could focus we could focus you could focus they could focus	I could be focusing you could be focusing she could be focusing we could be focusing you could be focusing they could be focusing
Perfecto	Perfecto con V-ing
I could have focused you could have focused she could have focused we could have focused you could have focused they could have focused	I could have been focusing you could have been focusing she could have been focusing we could have been focusing you could have been focusing they could have been focusing

Negación

Forma simple	Forma con V-ing
I could not focus you could not focus she could not focus we could not focus you could not focus they could not focus	I could not be focusing you could not be focusing she could not be focusing we could not be focusing you could not be focusing they could not be focusing
Perfecto	Perfecto con V-ing
I could not have focused you could not have focused she could not have focused we could not have focused you could not have focused they could not have focused	I could not have been focusing you could not have been focusing she could not have been focusing we could not have been focusing you could not have been focusing they could not have been focusing

Forma interrogativa

Forma simple	Forma con V-ing
could I focus? could you focus? could she focus? could we focus? could you focus? could they focus?	could I be focusing? could you be focusing? could she be focusing? could we be focusing? could you be focusing? could they be focusing?
Perfecto	Perfecto con V-ing
could I have focused? could you have focused? could she have focused? could we have focused? could you have focused? could they have focused?	could I have been focusing? could you have been focusing? could she have been focusing? could we have been focusing? could you have been focusing? could they have been focusing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not focus? could you not focus? could she not focus? could we not focus? could you not focus? could they not focus?	could I not be focusing? could you not be focusing? could she not be focusing? could we not be focusing? could you not be focusing? could they not be focusing?
Perfecto	Perfecto con V-ing
could I not have focused? could you not have focused? could she not have focused? could we not have focused? could you not have focused? could they not have focused?	could I not have been focusing? could you not have been focusing? could she not have been focusing? could we not have been focusing? could you not have been focusing? could they not have been focusing?