must befog
Verbe régulier : befog - befoged- befoged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must befog
you must befog
he must befog
we must befog
you must befog
they must befog 	I must be befoging
you must be befoging
he must be befoging
we must be befoging
you must be befoging
they must be befoging	I must have befoged
you must have befoged
he must have befoged
we must have befoged
you must have befoged
they must have befoged	I must have been befoging
you must have been befoging
he must have been befoging
we must have been befoging
you must have been befoging
they must have been befoging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not befog
you must not befog
he must not befog
we must not befog
you must not befog
they must not befog 	I must not be befoging
you must not be befoging
he must not be befoging
we must not be befoging
you must not be befoging
they must not be befoging	I must not have befoged
you must not have befoged
he must not have befoged
we must not have befoged
you must not have befoged
they must not have befoged	I must not have been befoging
you must not have been befoging
he must not have been befoging
we must not have been befoging
you must not have been befoging
they must not have been befoging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I befog?
must you befog?
must he befog?
must we befog?
must you befog?
must they befog? 	must I be befoging?
must you be befoging?
must he be befoging?
must we be befoging?
must you be befoging?
must they be befoging? 	must I have befoged?
must you have befoged?
must he have befoged?
must we have befoged?
must you have befoged?
must they have befoged? 	must I have been befoging?
must you have been befoging?
must he have been befoging?
must we have been befoging?
must you have been befoging?
must they have been befoging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not befog?
must you not befog?
must he not befog?
must we not befog?
must you not befog?
must they not befog? 	must I not be befoging?
must you not be befoging?
must he not be befoging?
must we not be befoging?
must you not be befoging?
must they not be befoging? 	must I not have befoged?
must you not have befoged?
must he not have befoged?
must we not have befoged?
must you not have befoged?
must they not have befoged? 	must I not have been befoging?
must you not have been befoging?
must he not have been befoging?
must we not have been befoging?
must you not have been befoging?
must they not have been befoging?