must unroll
Regular verb: unroll - unrolled- unrolled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must unroll
you must unroll
she must unroll
we must unroll
you must unroll
they must unroll 	I must be unrolling
you must be unrolling
she must be unrolling
we must be unrolling
you must be unrolling
they must be unrolling	I must have unrolled
you must have unrolled
she 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
she must have been unrolling
we must have been unrolling
you must have been unrolling
they must have been unrolling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't unroll
you mustn't unroll
she 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
she 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
she 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
she mustn't have been unrolling
we mustn't have been unrolling
you mustn't have been unrolling
they mustn't have been unrolling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I unroll?
must you unroll?
must she unroll?
must we unroll?
must you unroll?
must they unroll? 	must I be unrolling?
must you be unrolling?
must she be unrolling?
must we be unrolling?
must you be unrolling?
must they be unrolling? 	must I have unrolled?
must you have unrolled?
must she 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 she have been unrolling?
must we have been unrolling?
must you have been unrolling?
must they have been unrolling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I unroll?
mustn't you unroll?
mustn't she 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 she 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 she 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 she have been unrolling?
mustn't we have been unrolling?
mustn't you have been unrolling?
mustn't they have been unrolling?