must bs
Verbo regular: bs - bsed- bsed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must bs
you must bs
he must bs
we must bs
you must bs
they must bs 	I must be bsing
you must be bsing
he must be bsing
we must be bsing
you must be bsing
they must be bsing	I must have bsed
you must have bsed
he must have bsed
we must have bsed
you must have bsed
they must have bsed	I must have been bsing
you must have been bsing
he must have been bsing
we must have been bsing
you must have been bsing
they must have been bsing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not bs
you must not bs
he must not bs
we must not bs
you must not bs
they must not bs 	I must not be bsing
you must not be bsing
he must not be bsing
we must not be bsing
you must not be bsing
they must not be bsing	I must not have bsed
you must not have bsed
he must not have bsed
we must not have bsed
you must not have bsed
they must not have bsed	I must not have been bsing
you must not have been bsing
he must not have been bsing
we must not have been bsing
you must not have been bsing
they must not have been bsing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I bs?
must you bs?
must he bs?
must we bs?
must you bs?
must they bs? 	must I be bsing?
must you be bsing?
must he be bsing?
must we be bsing?
must you be bsing?
must they be bsing? 	must I have bsed?
must you have bsed?
must he have bsed?
must we have bsed?
must you have bsed?
must they have bsed? 	must I have been bsing?
must you have been bsing?
must he have been bsing?
must we have been bsing?
must you have been bsing?
must they have been bsing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not bs?
must you not bs?
must he not bs?
must we not bs?
must you not bs?
must they not bs? 	must I not be bsing?
must you not be bsing?
must he not be bsing?
must we not be bsing?
must you not be bsing?
must they not be bsing? 	must I not have bsed?
must you not have bsed?
must he not have bsed?
must we not have bsed?
must you not have bsed?
must they not have bsed? 	must I not have been bsing?
must you not have been bsing?
must he not have been bsing?
must we not have been bsing?
must you not have been bsing?
must they not have been bsing?