must untune
Verbo regular: untune - untuned- untuned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must untune
you must untune
he must untune
we must untune
you must untune
they must untune 	I must be untuning
you must be untuning
he must be untuning
we must be untuning
you must be untuning
they must be untuning	I must have untuned
you must have untuned
he must have untuned
we must have untuned
you must have untuned
they must have untuned	I must have been untuning
you must have been untuning
he must have been untuning
we must have been untuning
you must have been untuning
they must have been untuning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't untune
you mustn't untune
he mustn't untune
we mustn't untune
you mustn't untune
they mustn't untune 	I mustn't be untuning
you mustn't be untuning
he mustn't be untuning
we mustn't be untuning
you mustn't be untuning
they mustn't be untuning	I mustn't have untuned
you mustn't have untuned
he mustn't have untuned
we mustn't have untuned
you mustn't have untuned
they mustn't have untuned	I mustn't have been untuning
you mustn't have been untuning
he mustn't have been untuning
we mustn't have been untuning
you mustn't have been untuning
they mustn't have been untuning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I untune?
must you untune?
must he untune?
must we untune?
must you untune?
must they untune? 	must I be untuning?
must you be untuning?
must he be untuning?
must we be untuning?
must you be untuning?
must they be untuning? 	must I have untuned?
must you have untuned?
must he have untuned?
must we have untuned?
must you have untuned?
must they have untuned? 	must I have been untuning?
must you have been untuning?
must he have been untuning?
must we have been untuning?
must you have been untuning?
must they have been untuning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I untune?
mustn't you untune?
mustn't he untune?
mustn't we untune?
mustn't you untune?
mustn't they untune? 	mustn't I be untuning?
mustn't you be untuning?
mustn't he be untuning?
mustn't we be untuning?
mustn't you be untuning?
mustn't they be untuning? 	mustn't I have untuned?
mustn't you have untuned?
mustn't he have untuned?
mustn't we have untuned?
mustn't you have untuned?
mustn't they have untuned? 	mustn't I have been untuning?
mustn't you have been untuning?
mustn't he have been untuning?
mustn't we have been untuning?
mustn't you have been untuning?
mustn't they have been untuning?