must unravel
Verbo regular: unravel - unravelled- unravelled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must unravel
you must unravel
she must unravel
we must unravel
you must unravel
they must unravel 	I must be unravelling
you must be unravelling
she must be unravelling
we must be unravelling
you must be unravelling
they must be unravelling	I must have unravelled
you must have unravelled
she must have unravelled
we must have unravelled
you must have unravelled
they must have unravelled	I must have been unravelling
you must have been unravelling
she must have been unravelling
we must have been unravelling
you must have been unravelling
they must have been unravelling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not unravel
you must not unravel
she must not unravel
we must not unravel
you must not unravel
they must not unravel 	I must not be unravelling
you must not be unravelling
she must not be unravelling
we must not be unravelling
you must not be unravelling
they must not be unravelling	I must not have unravelled
you must not have unravelled
she must not have unravelled
we must not have unravelled
you must not have unravelled
they must not have unravelled	I must not have been unravelling
you must not have been unravelling
she must not have been unravelling
we must not have been unravelling
you must not have been unravelling
they must not have been unravelling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I unravel?
must you unravel?
must she unravel?
must we unravel?
must you unravel?
must they unravel? 	must I be unravelling?
must you be unravelling?
must she be unravelling?
must we be unravelling?
must you be unravelling?
must they be unravelling? 	must I have unravelled?
must you have unravelled?
must she have unravelled?
must we have unravelled?
must you have unravelled?
must they have unravelled? 	must I have been unravelling?
must you have been unravelling?
must she have been unravelling?
must we have been unravelling?
must you have been unravelling?
must they have been unravelling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not unravel?
must you not unravel?
must she not unravel?
must we not unravel?
must you not unravel?
must they not unravel? 	must I not be unravelling?
must you not be unravelling?
must she not be unravelling?
must we not be unravelling?
must you not be unravelling?
must they not be unravelling? 	must I not have unravelled?
must you not have unravelled?
must she not have unravelled?
must we not have unravelled?
must you not have unravelled?
must they not have unravelled? 	must I not have been unravelling?
must you not have been unravelling?
must she not have been unravelling?
must we not have been unravelling?
must you not have been unravelling?
must they not have been unravelling?