I can prefocus you can prefocus he can prefocus we can prefocus you can prefocus they can prefocus
Forme en V-ing
I can be prefocusing you can be prefocusing he can be prefocusing we can be prefocusing you can be prefocusing they can be prefocusing
Perfect
I can have prefocused you can have prefocused he can have prefocused we can have prefocused you can have prefocused they can have prefocused
Perfect en V-ing
I can have been prefocusing you can have been prefocusing he can have been prefocusing we can have been prefocusing you can have been prefocusing they can have been prefocusing
Négation
Forme simple
I can't prefocus you can't prefocus he can't prefocus we can't prefocus you can't prefocus they can't prefocus
Forme en V-ing
I can't be prefocusing you can't be prefocusing he can't be prefocusing we can't be prefocusing you can't be prefocusing they can't be prefocusing
Perfect
I can't have prefocused you can't have prefocused he can't have prefocused we can't have prefocused you can't have prefocused they can't have prefocused
Perfect en V-ing
I can't have been prefocusing you can't have been prefocusing he can't have been prefocusing we can't have been prefocusing you can't have been prefocusing they can't have been prefocusing
Forme interrogative
Forme simple
can I prefocus? can you prefocus? can he prefocus? can we prefocus? can you prefocus? can they prefocus?
Forme en V-ing
can I be prefocusing? can you be prefocusing? can he be prefocusing? can we be prefocusing? can you be prefocusing? can they be prefocusing?
Perfect
can I have prefocused? can you have prefocused? can he have prefocused? can we have prefocused? can you have prefocused? can they have prefocused?
Perfect en V-ing
can I have been prefocusing? can you have been prefocusing? can he have been prefocusing? can we have been prefocusing? can you have been prefocusing? can they have been prefocusing?
Forme interro-négative
Forme simple
can't I prefocus? can't you prefocus? can't he prefocus? can't we prefocus? can't you prefocus? can't they prefocus?
Forme en V-ing
can't I be prefocusing? can't you be prefocusing? can't he be prefocusing? can't we be prefocusing? can't you be prefocusing? can't they be prefocusing?
Perfect
can't I have prefocused? can't you have prefocused? can't he have prefocused? can't we have prefocused? can't you have prefocused? can't they have prefocused?
Perfect en V-ing
can't I have been prefocusing? can't you have been prefocusing? can't he have been prefocusing? can't we have been prefocusing? can't you have been prefocusing? can't they have been prefocusing?