must unpack
Verbo regular: unpack - unpacked- unpacked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must unpack
you must unpack
he must unpack
we must unpack
you must unpack
they must unpack 	I must be unpacking
you must be unpacking
he must be unpacking
we must be unpacking
you must be unpacking
they must be unpacking	I must have unpacked
you must have unpacked
he must have unpacked
we must have unpacked
you must have unpacked
they must have unpacked	I must have been unpacking
you must have been unpacking
he must have been unpacking
we must have been unpacking
you must have been unpacking
they must have been unpacking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't unpack
you mustn't unpack
he mustn't unpack
we mustn't unpack
you mustn't unpack
they mustn't unpack 	I mustn't be unpacking
you mustn't be unpacking
he mustn't be unpacking
we mustn't be unpacking
you mustn't be unpacking
they mustn't be unpacking	I mustn't have unpacked
you mustn't have unpacked
he mustn't have unpacked
we mustn't have unpacked
you mustn't have unpacked
they mustn't have unpacked	I mustn't have been unpacking
you mustn't have been unpacking
he mustn't have been unpacking
we mustn't have been unpacking
you mustn't have been unpacking
they mustn't have been unpacking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I unpack?
must you unpack?
must he unpack?
must we unpack?
must you unpack?
must they unpack? 	must I be unpacking?
must you be unpacking?
must he be unpacking?
must we be unpacking?
must you be unpacking?
must they be unpacking? 	must I have unpacked?
must you have unpacked?
must he have unpacked?
must we have unpacked?
must you have unpacked?
must they have unpacked? 	must I have been unpacking?
must you have been unpacking?
must he have been unpacking?
must we have been unpacking?
must you have been unpacking?
must they have been unpacking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I unpack?
mustn't you unpack?
mustn't he unpack?
mustn't we unpack?
mustn't you unpack?
mustn't they unpack? 	mustn't I be unpacking?
mustn't you be unpacking?
mustn't he be unpacking?
mustn't we be unpacking?
mustn't you be unpacking?
mustn't they be unpacking? 	mustn't I have unpacked?
mustn't you have unpacked?
mustn't he have unpacked?
mustn't we have unpacked?
mustn't you have unpacked?
mustn't they have unpacked? 	mustn't I have been unpacking?
mustn't you have been unpacking?
mustn't he have been unpacking?
mustn't we have been unpacking?
mustn't you have been unpacking?
mustn't they have been unpacking?