must schuss
Verbo regular: schuss - schussed- schussed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must schuss
you must schuss
he must schuss
we must schuss
you must schuss
they must schuss 	I must be schussing
you must be schussing
he must be schussing
we must be schussing
you must be schussing
they must be schussing	I must have schussed
you must have schussed
he must have schussed
we must have schussed
you must have schussed
they must have schussed	I must have been schussing
you must have been schussing
he must have been schussing
we must have been schussing
you must have been schussing
they must have been schussing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't schuss
you mustn't schuss
he mustn't schuss
we mustn't schuss
you mustn't schuss
they mustn't schuss 	I mustn't be schussing
you mustn't be schussing
he mustn't be schussing
we mustn't be schussing
you mustn't be schussing
they mustn't be schussing	I mustn't have schussed
you mustn't have schussed
he mustn't have schussed
we mustn't have schussed
you mustn't have schussed
they mustn't have schussed	I mustn't have been schussing
you mustn't have been schussing
he mustn't have been schussing
we mustn't have been schussing
you mustn't have been schussing
they mustn't have been schussing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I schuss?
must you schuss?
must he schuss?
must we schuss?
must you schuss?
must they schuss? 	must I be schussing?
must you be schussing?
must he be schussing?
must we be schussing?
must you be schussing?
must they be schussing? 	must I have schussed?
must you have schussed?
must he have schussed?
must we have schussed?
must you have schussed?
must they have schussed? 	must I have been schussing?
must you have been schussing?
must he have been schussing?
must we have been schussing?
must you have been schussing?
must they have been schussing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I schuss?
mustn't you schuss?
mustn't he schuss?
mustn't we schuss?
mustn't you schuss?
mustn't they schuss? 	mustn't I be schussing?
mustn't you be schussing?
mustn't he be schussing?
mustn't we be schussing?
mustn't you be schussing?
mustn't they be schussing? 	mustn't I have schussed?
mustn't you have schussed?
mustn't he have schussed?
mustn't we have schussed?
mustn't you have schussed?
mustn't they have schussed? 	mustn't I have been schussing?
mustn't you have been schussing?
mustn't he have been schussing?
mustn't we have been schussing?
mustn't you have been schussing?
mustn't they have been schussing?