must hack
Verbo regular: hack - hacked- hacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must hack
you must hack
he must hack
we must hack
you must hack
they must hack 	I must be hacking
you must be hacking
he must be hacking
we must be hacking
you must be hacking
they must be hacking	I must have hacked
you must have hacked
he must have hacked
we must have hacked
you must have hacked
they must have hacked	I must have been hacking
you must have been hacking
he must have been hacking
we must have been hacking
you must have been hacking
they must have been hacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't hack
you mustn't hack
he mustn't hack
we mustn't hack
you mustn't hack
they mustn't hack 	I mustn't be hacking
you mustn't be hacking
he mustn't be hacking
we mustn't be hacking
you mustn't be hacking
they mustn't be hacking	I mustn't have hacked
you mustn't have hacked
he mustn't have hacked
we mustn't have hacked
you mustn't have hacked
they mustn't have hacked	I mustn't have been hacking
you mustn't have been hacking
he mustn't have been hacking
we mustn't have been hacking
you mustn't have been hacking
they mustn't have been hacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I hack?
must you hack?
must he hack?
must we hack?
must you hack?
must they hack? 	must I be hacking?
must you be hacking?
must he be hacking?
must we be hacking?
must you be hacking?
must they be hacking? 	must I have hacked?
must you have hacked?
must he have hacked?
must we have hacked?
must you have hacked?
must they have hacked? 	must I have been hacking?
must you have been hacking?
must he have been hacking?
must we have been hacking?
must you have been hacking?
must they have been hacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I hack?
mustn't you hack?
mustn't he hack?
mustn't we hack?
mustn't you hack?
mustn't they hack? 	mustn't I be hacking?
mustn't you be hacking?
mustn't he be hacking?
mustn't we be hacking?
mustn't you be hacking?
mustn't they be hacking? 	mustn't I have hacked?
mustn't you have hacked?
mustn't he have hacked?
mustn't we have hacked?
mustn't you have hacked?
mustn't they have hacked? 	mustn't I have been hacking?
mustn't you have been hacking?
mustn't he have been hacking?
mustn't we have been hacking?
mustn't you have been hacking?
mustn't they have been hacking?