must melt
Verbo regular: melt - melted- melted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must melt
you must melt
he must melt
we must melt
you must melt
they must melt 	I must be melting
you must be melting
he must be melting
we must be melting
you must be melting
they must be melting	I must have melted
you must have melted
he must have melted
we must have melted
you must have melted
they must have melted	I must have been melting
you must have been melting
he must have been melting
we must have been melting
you must have been melting
they must have been melting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't melt
you mustn't melt
he mustn't melt
we mustn't melt
you mustn't melt
they mustn't melt 	I mustn't be melting
you mustn't be melting
he mustn't be melting
we mustn't be melting
you mustn't be melting
they mustn't be melting	I mustn't have melted
you mustn't have melted
he mustn't have melted
we mustn't have melted
you mustn't have melted
they mustn't have melted	I mustn't have been melting
you mustn't have been melting
he mustn't have been melting
we mustn't have been melting
you mustn't have been melting
they mustn't have been melting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I melt?
must you melt?
must he melt?
must we melt?
must you melt?
must they melt? 	must I be melting?
must you be melting?
must he be melting?
must we be melting?
must you be melting?
must they be melting? 	must I have melted?
must you have melted?
must he have melted?
must we have melted?
must you have melted?
must they have melted? 	must I have been melting?
must you have been melting?
must he have been melting?
must we have been melting?
must you have been melting?
must they have been melting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I melt?
mustn't you melt?
mustn't he melt?
mustn't we melt?
mustn't you melt?
mustn't they melt? 	mustn't I be melting?
mustn't you be melting?
mustn't he be melting?
mustn't we be melting?
mustn't you be melting?
mustn't they be melting? 	mustn't I have melted?
mustn't you have melted?
mustn't he have melted?
mustn't we have melted?
mustn't you have melted?
mustn't they have melted? 	mustn't I have been melting?
mustn't you have been melting?
mustn't he have been melting?
mustn't we have been melting?
mustn't you have been melting?
mustn't they have been melting?