must unroll
Verbo regular: unroll - unrolled- unrolled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must unroll
you must unroll
he must unroll
we must unroll
you must unroll
they must unroll 	I must be unrolling
you must be unrolling
he must be unrolling
we must be unrolling
you must be unrolling
they must be unrolling	I must have unrolled
you must have unrolled
he must have unrolled
we must have unrolled
you must have unrolled
they must have unrolled	I must have been unrolling
you must have been unrolling
he must have been unrolling
we must have been unrolling
you must have been unrolling
they must have been unrolling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't unroll
you mustn't unroll
he mustn't unroll
we mustn't unroll
you mustn't unroll
they mustn't unroll 	I mustn't be unrolling
you mustn't be unrolling
he mustn't be unrolling
we mustn't be unrolling
you mustn't be unrolling
they mustn't be unrolling	I mustn't have unrolled
you mustn't have unrolled
he mustn't have unrolled
we mustn't have unrolled
you mustn't have unrolled
they mustn't have unrolled	I mustn't have been unrolling
you mustn't have been unrolling
he mustn't have been unrolling
we mustn't have been unrolling
you mustn't have been unrolling
they mustn't have been unrolling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I unroll?
must you unroll?
must he unroll?
must we unroll?
must you unroll?
must they unroll? 	must I be unrolling?
must you be unrolling?
must he be unrolling?
must we be unrolling?
must you be unrolling?
must they be unrolling? 	must I have unrolled?
must you have unrolled?
must he have unrolled?
must we have unrolled?
must you have unrolled?
must they have unrolled? 	must I have been unrolling?
must you have been unrolling?
must he have been unrolling?
must we have been unrolling?
must you have been unrolling?
must they have been unrolling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I unroll?
mustn't you unroll?
mustn't he unroll?
mustn't we unroll?
mustn't you unroll?
mustn't they unroll? 	mustn't I be unrolling?
mustn't you be unrolling?
mustn't he be unrolling?
mustn't we be unrolling?
mustn't you be unrolling?
mustn't they be unrolling? 	mustn't I have unrolled?
mustn't you have unrolled?
mustn't he have unrolled?
mustn't we have unrolled?
mustn't you have unrolled?
mustn't they have unrolled? 	mustn't I have been unrolling?
mustn't you have been unrolling?
mustn't he have been unrolling?
mustn't we have been unrolling?
mustn't you have been unrolling?
mustn't they have been unrolling?