must railroad
Verbo regular: railroad - railroaded- railroaded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must railroad
you must railroad
he must railroad
we must railroad
you must railroad
they must railroad 	I must be railroading
you must be railroading
he must be railroading
we must be railroading
you must be railroading
they must be railroading	I must have railroaded
you must have railroaded
he must have railroaded
we must have railroaded
you must have railroaded
they must have railroaded	I must have been railroading
you must have been railroading
he must have been railroading
we must have been railroading
you must have been railroading
they must have been railroading	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not railroad
you must not railroad
he must not railroad
we must not railroad
you must not railroad
they must not railroad 	I must not be railroading
you must not be railroading
he must not be railroading
we must not be railroading
you must not be railroading
they must not be railroading	I must not have railroaded
you must not have railroaded
he must not have railroaded
we must not have railroaded
you must not have railroaded
they must not have railroaded	I must not have been railroading
you must not have been railroading
he must not have been railroading
we must not have been railroading
you must not have been railroading
they must not have been railroading	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I railroad?
must you railroad?
must he railroad?
must we railroad?
must you railroad?
must they railroad? 	must I be railroading?
must you be railroading?
must he be railroading?
must we be railroading?
must you be railroading?
must they be railroading? 	must I have railroaded?
must you have railroaded?
must he have railroaded?
must we have railroaded?
must you have railroaded?
must they have railroaded? 	must I have been railroading?
must you have been railroading?
must he have been railroading?
must we have been railroading?
must you have been railroading?
must they have been railroading? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not railroad?
must you not railroad?
must he not railroad?
must we not railroad?
must you not railroad?
must they not railroad? 	must I not be railroading?
must you not be railroading?
must he not be railroading?
must we not be railroading?
must you not be railroading?
must they not be railroading? 	must I not have railroaded?
must you not have railroaded?
must he not have railroaded?
must we not have railroaded?
must you not have railroaded?
must they not have railroaded? 	must I not have been railroading?
must you not have been railroading?
must he not have been railroading?
must we not have been railroading?
must you not have been railroading?
must they not have been railroading?