must roast
Verbo regular: roast - roasted- roasted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must roast
you must roast
he must roast
we must roast
you must roast
they must roast 	I must be roasting
you must be roasting
he must be roasting
we must be roasting
you must be roasting
they must be roasting	I must have roasted
you must have roasted
he must have roasted
we must have roasted
you must have roasted
they must have roasted	I must have been roasting
you must have been roasting
he must have been roasting
we must have been roasting
you must have been roasting
they must have been roasting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't roast
you mustn't roast
he mustn't roast
we mustn't roast
you mustn't roast
they mustn't roast 	I mustn't be roasting
you mustn't be roasting
he mustn't be roasting
we mustn't be roasting
you mustn't be roasting
they mustn't be roasting	I mustn't have roasted
you mustn't have roasted
he mustn't have roasted
we mustn't have roasted
you mustn't have roasted
they mustn't have roasted	I mustn't have been roasting
you mustn't have been roasting
he mustn't have been roasting
we mustn't have been roasting
you mustn't have been roasting
they mustn't have been roasting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I roast?
must you roast?
must he roast?
must we roast?
must you roast?
must they roast? 	must I be roasting?
must you be roasting?
must he be roasting?
must we be roasting?
must you be roasting?
must they be roasting? 	must I have roasted?
must you have roasted?
must he have roasted?
must we have roasted?
must you have roasted?
must they have roasted? 	must I have been roasting?
must you have been roasting?
must he have been roasting?
must we have been roasting?
must you have been roasting?
must they have been roasting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I roast?
mustn't you roast?
mustn't he roast?
mustn't we roast?
mustn't you roast?
mustn't they roast? 	mustn't I be roasting?
mustn't you be roasting?
mustn't he be roasting?
mustn't we be roasting?
mustn't you be roasting?
mustn't they be roasting? 	mustn't I have roasted?
mustn't you have roasted?
mustn't he have roasted?
mustn't we have roasted?
mustn't you have roasted?
mustn't they have roasted? 	mustn't I have been roasting?
mustn't you have been roasting?
mustn't he have been roasting?
mustn't we have been roasting?
mustn't you have been roasting?
mustn't they have been roasting?