must prefocus
Verbe régulier : prefocus - prefocused- prefocused

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must prefocus
you must prefocus
he must prefocus
we must prefocus
you must prefocus
they must prefocus 	I must be prefocusing
you must be prefocusing
he must be prefocusing
we must be prefocusing
you must be prefocusing
they must be prefocusing	I must have prefocused
you must have prefocused
he must have prefocused
we must have prefocused
you must have prefocused
they must have prefocused	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 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not prefocus
you must not prefocus
he must not prefocus
we must not prefocus
you must not prefocus
they must not prefocus 	I must not be prefocusing
you must not be prefocusing
he must not be prefocusing
we must not be prefocusing
you must not be prefocusing
they must not be prefocusing	I must not have prefocused
you must not have prefocused
he must not have prefocused
we must not have prefocused
you must not have prefocused
they must not have prefocused	I must not have been prefocusing
you must not have been prefocusing
he must not have been prefocusing
we must not have been prefocusing
you must not have been prefocusing
they must not have been prefocusing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I prefocus?
must you prefocus?
must he prefocus?
must we prefocus?
must you prefocus?
must they prefocus? 	must I be prefocusing?
must you be prefocusing?
must he be prefocusing?
must we be prefocusing?
must you be prefocusing?
must they be prefocusing? 	must I have prefocused?
must you have prefocused?
must he have prefocused?
must we have prefocused?
must you have prefocused?
must they have prefocused? 	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 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not prefocus?
must you not prefocus?
must he not prefocus?
must we not prefocus?
must you not prefocus?
must they not prefocus? 	must I not be prefocusing?
must you not be prefocusing?
must he not be prefocusing?
must we not be prefocusing?
must you not be prefocusing?
must they not be prefocusing? 	must I not have prefocused?
must you not have prefocused?
must he not have prefocused?
must we not have prefocused?
must you not have prefocused?
must they not have prefocused? 	must I not have been prefocusing?
must you not have been prefocusing?
must he not have been prefocusing?
must we not have been prefocusing?
must you not have been prefocusing?
must they not have been prefocusing?