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