must jail
Verbo regular: jail - jailed- jailed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must jail
you must jail
she must jail
we must jail
you must jail
they must jail 	I must be jailing
you must be jailing
she must be jailing
we must be jailing
you must be jailing
they must be jailing	I must have jailed
you must have jailed
she must have jailed
we must have jailed
you must have jailed
they must have jailed	I must have been jailing
you must have been jailing
she must have been jailing
we must have been jailing
you must have been jailing
they must have been jailing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not jail
you must not jail
she must not jail
we must not jail
you must not jail
they must not jail 	I must not be jailing
you must not be jailing
she must not be jailing
we must not be jailing
you must not be jailing
they must not be jailing	I must not have jailed
you must not have jailed
she must not have jailed
we must not have jailed
you must not have jailed
they must not have jailed	I must not have been jailing
you must not have been jailing
she must not have been jailing
we must not have been jailing
you must not have been jailing
they must not have been jailing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I jail?
must you jail?
must she jail?
must we jail?
must you jail?
must they jail? 	must I be jailing?
must you be jailing?
must she be jailing?
must we be jailing?
must you be jailing?
must they be jailing? 	must I have jailed?
must you have jailed?
must she have jailed?
must we have jailed?
must you have jailed?
must they have jailed? 	must I have been jailing?
must you have been jailing?
must she have been jailing?
must we have been jailing?
must you have been jailing?
must they have been jailing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not jail?
must you not jail?
must she not jail?
must we not jail?
must you not jail?
must they not jail? 	must I not be jailing?
must you not be jailing?
must she not be jailing?
must we not be jailing?
must you not be jailing?
must they not be jailing? 	must I not have jailed?
must you not have jailed?
must she not have jailed?
must we not have jailed?
must you not have jailed?
must they not have jailed? 	must I not have been jailing?
must you not have been jailing?
must she not have been jailing?
must we not have been jailing?
must you not have been jailing?
must they not have been jailing?