must cog
Verbo regular: cog - coged- coged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must cog
you must cog
he must cog
we must cog
you must cog
they must cog 	I must be coging
you must be coging
he must be coging
we must be coging
you must be coging
they must be coging	I must have coged
you must have coged
he must have coged
we must have coged
you must have coged
they must have coged	I must have been coging
you must have been coging
he must have been coging
we must have been coging
you must have been coging
they must have been coging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not cog
you must not cog
he must not cog
we must not cog
you must not cog
they must not cog 	I must not be coging
you must not be coging
he must not be coging
we must not be coging
you must not be coging
they must not be coging	I must not have coged
you must not have coged
he must not have coged
we must not have coged
you must not have coged
they must not have coged	I must not have been coging
you must not have been coging
he must not have been coging
we must not have been coging
you must not have been coging
they must not have been coging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I cog?
must you cog?
must he cog?
must we cog?
must you cog?
must they cog? 	must I be coging?
must you be coging?
must he be coging?
must we be coging?
must you be coging?
must they be coging? 	must I have coged?
must you have coged?
must he have coged?
must we have coged?
must you have coged?
must they have coged? 	must I have been coging?
must you have been coging?
must he have been coging?
must we have been coging?
must you have been coging?
must they have been coging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not cog?
must you not cog?
must he not cog?
must we not cog?
must you not cog?
must they not cog? 	must I not be coging?
must you not be coging?
must he not be coging?
must we not be coging?
must you not be coging?
must they not be coging? 	must I not have coged?
must you not have coged?
must he not have coged?
must we not have coged?
must you not have coged?
must they not have coged? 	must I not have been coging?
must you not have been coging?
must he not have been coging?
must we not have been coging?
must you not have been coging?
must they not have been coging?