must bay
Verbo regular: bay - bayed- bayed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must bay
you must bay
he must bay
we must bay
you must bay
they must bay 	I must be baying
you must be baying
he must be baying
we must be baying
you must be baying
they must be baying	I must have bayed
you must have bayed
he must have bayed
we must have bayed
you must have bayed
they must have bayed	I must have been baying
you must have been baying
he must have been baying
we must have been baying
you must have been baying
they must have been baying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not bay
you must not bay
he must not bay
we must not bay
you must not bay
they must not bay 	I must not be baying
you must not be baying
he must not be baying
we must not be baying
you must not be baying
they must not be baying	I must not have bayed
you must not have bayed
he must not have bayed
we must not have bayed
you must not have bayed
they must not have bayed	I must not have been baying
you must not have been baying
he must not have been baying
we must not have been baying
you must not have been baying
they must not have been baying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I bay?
must you bay?
must he bay?
must we bay?
must you bay?
must they bay? 	must I be baying?
must you be baying?
must he be baying?
must we be baying?
must you be baying?
must they be baying? 	must I have bayed?
must you have bayed?
must he have bayed?
must we have bayed?
must you have bayed?
must they have bayed? 	must I have been baying?
must you have been baying?
must he have been baying?
must we have been baying?
must you have been baying?
must they have been baying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not bay?
must you not bay?
must he not bay?
must we not bay?
must you not bay?
must they not bay? 	must I not be baying?
must you not be baying?
must he not be baying?
must we not be baying?
must you not be baying?
must they not be baying? 	must I not have bayed?
must you not have bayed?
must he not have bayed?
must we not have bayed?
must you not have bayed?
must they not have bayed? 	must I not have been baying?
must you not have been baying?
must he not have been baying?
must we not have been baying?
must you not have been baying?
must they not have been baying?