must unbolt
Verbo regular: unbolt - unbolted- unbolted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must unbolt
you must unbolt
he must unbolt
we must unbolt
you must unbolt
they must unbolt 	I must be unbolting
you must be unbolting
he must be unbolting
we must be unbolting
you must be unbolting
they must be unbolting	I must have unbolted
you must have unbolted
he must have unbolted
we must have unbolted
you must have unbolted
they must have unbolted	I must have been unbolting
you must have been unbolting
he must have been unbolting
we must have been unbolting
you must have been unbolting
they must have been unbolting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not unbolt
you must not unbolt
he must not unbolt
we must not unbolt
you must not unbolt
they must not unbolt 	I must not be unbolting
you must not be unbolting
he must not be unbolting
we must not be unbolting
you must not be unbolting
they must not be unbolting	I must not have unbolted
you must not have unbolted
he must not have unbolted
we must not have unbolted
you must not have unbolted
they must not have unbolted	I must not have been unbolting
you must not have been unbolting
he must not have been unbolting
we must not have been unbolting
you must not have been unbolting
they must not have been unbolting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I unbolt?
must you unbolt?
must he unbolt?
must we unbolt?
must you unbolt?
must they unbolt? 	must I be unbolting?
must you be unbolting?
must he be unbolting?
must we be unbolting?
must you be unbolting?
must they be unbolting? 	must I have unbolted?
must you have unbolted?
must he have unbolted?
must we have unbolted?
must you have unbolted?
must they have unbolted? 	must I have been unbolting?
must you have been unbolting?
must he have been unbolting?
must we have been unbolting?
must you have been unbolting?
must they have been unbolting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not unbolt?
must you not unbolt?
must he not unbolt?
must we not unbolt?
must you not unbolt?
must they not unbolt? 	must I not be unbolting?
must you not be unbolting?
must he not be unbolting?
must we not be unbolting?
must you not be unbolting?
must they not be unbolting? 	must I not have unbolted?
must you not have unbolted?
must he not have unbolted?
must we not have unbolted?
must you not have unbolted?
must they not have unbolted? 	must I not have been unbolting?
must you not have been unbolting?
must he not have been unbolting?
must we not have been unbolting?
must you not have been unbolting?
must they not have been unbolting?