must befog
Verbo regular: befog - befoged- befoged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't befog
you mustn't befog
he mustn't befog
we mustn't befog
you mustn't befog
they mustn't befog 	I mustn't be befoging
you mustn't be befoging
he mustn't be befoging
we mustn't be befoging
you mustn't be befoging
they mustn't be befoging	I mustn't have befoged
you mustn't have befoged
he mustn't have befoged
we mustn't have befoged
you mustn't have befoged
they mustn't have befoged	I mustn't have been befoging
you mustn't have been befoging
he mustn't have been befoging
we mustn't have been befoging
you mustn't have been befoging
they mustn't have been befoging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I befog?
mustn't you befog?
mustn't he befog?
mustn't we befog?
mustn't you befog?
mustn't they befog? 	mustn't I be befoging?
mustn't you be befoging?
mustn't he be befoging?
mustn't we be befoging?
mustn't you be befoging?
mustn't they be befoging? 	mustn't I have befoged?
mustn't you have befoged?
mustn't he have befoged?
mustn't we have befoged?
mustn't you have befoged?
mustn't they have befoged? 	mustn't I have been befoging?
mustn't you have been befoging?
mustn't he have been befoging?
mustn't we have been befoging?
mustn't you have been befoging?
mustn't they have been befoging?