could focus
Verbo regolare: focus - focused- focused

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could focus
you could focus
he could focus
we could focus
you could focus
they could focus 	I could be focusing
you could be focusing
he could be focusing
we could be focusing
you could be focusing
they could be focusing	I could have focused
you could have focused
he 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
he could have been focusing
we could have been focusing
you could have been focusing
they could have been focusing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't focus
you couldn't focus
he couldn't focus
we couldn't focus
you couldn't focus
they couldn't focus 	I couldn't be focusing
you couldn't be focusing
he couldn't be focusing
we couldn't be focusing
you couldn't be focusing
they couldn't be focusing	I couldn't have focused
you couldn't have focused
he couldn't have focused
we couldn't have focused
you couldn't have focused
they couldn't have focused	I couldn't have been focusing
you couldn't have been focusing
he couldn't have been focusing
we couldn't have been focusing
you couldn't have been focusing
they couldn't have been focusing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I focus?
could you focus?
could he focus?
could we focus?
could you focus?
could they focus? 	could I be focusing?
could you be focusing?
could he be focusing?
could we be focusing?
could you be focusing?
could they be focusing? 	could I have focused?
could you have focused?
could he 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 he have been focusing?
could we have been focusing?
could you have been focusing?
could they have been focusing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I focus?
couldn't you focus?
couldn't he focus?
couldn't we focus?
couldn't you focus?
couldn't they focus? 	couldn't I be focusing?
couldn't you be focusing?
couldn't he be focusing?
couldn't we be focusing?
couldn't you be focusing?
couldn't they be focusing? 	couldn't I have focused?
couldn't you have focused?
couldn't he have focused?
couldn't we have focused?
couldn't you have focused?
couldn't they have focused? 	couldn't I have been focusing?
couldn't you have been focusing?
couldn't he have been focusing?
couldn't we have been focusing?
couldn't you have been focusing?
couldn't they have been focusing?