I can focus you can focus he can focus we can focus you can focus they can focus
Forme en V-ing
I can be focusing you can be focusing he can be focusing we can be focusing you can be focusing they can be focusing
Perfect
I can have focused you can have focused he can have focused we can have focused you can have focused they can have focused
Perfect en V-ing
I can have been focusing you can have been focusing he can have been focusing we can have been focusing you can have been focusing they can have been focusing
Négation
Forme simple
I can't focus you can't focus he can't focus we can't focus you can't focus they can't focus
Forme en V-ing
I can't be focusing you can't be focusing he can't be focusing we can't be focusing you can't be focusing they can't be focusing
Perfect
I can't have focused you can't have focused he can't have focused we can't have focused you can't have focused they can't have focused
Perfect en V-ing
I can't have been focusing you can't have been focusing he can't have been focusing we can't have been focusing you can't have been focusing they can't have been focusing
Forme interrogative
Forme simple
can I focus? can you focus? can he focus? can we focus? can you focus? can they focus?
Forme en V-ing
can I be focusing? can you be focusing? can he be focusing? can we be focusing? can you be focusing? can they be focusing?
Perfect
can I have focused? can you have focused? can he have focused? can we have focused? can you have focused? can they have focused?
Perfect en V-ing
can I have been focusing? can you have been focusing? can he have been focusing? can we have been focusing? can you have been focusing? can they have been focusing?
Forme interro-négative
Forme simple
can't I focus? can't you focus? can't he focus? can't we focus? can't you focus? can't they focus?
Forme en V-ing
can't I be focusing? can't you be focusing? can't he be focusing? can't we be focusing? can't you be focusing? can't they be focusing?
Perfect
can't I have focused? can't you have focused? can't he have focused? can't we have focused? can't you have focused? can't they have focused?
Perfect en V-ing
can't I have been focusing? can't you have been focusing? can't he have been focusing? can't we have been focusing? can't you have been focusing? can't they have been focusing?