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
she must hack
we must hack
you must hack
they must hack 	I must be hacking
you must be hacking
she must be hacking
we must be hacking
you must be hacking
they must be hacking	I must have hacked
you must have hacked
she 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
she 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 must not hack
you must not hack
she must not hack
we must not hack
you must not hack
they must not hack 	I must not be hacking
you must not be hacking
she must not be hacking
we must not be hacking
you must not be hacking
they must not be hacking	I must not have hacked
you must not have hacked
she must not have hacked
we must not have hacked
you must not have hacked
they must not have hacked	I must not have been hacking
you must not have been hacking
she must not have been hacking
we must not have been hacking
you must not have been hacking
they must not have been hacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I hack?
must you hack?
must she hack?
must we hack?
must you hack?
must they hack? 	must I be hacking?
must you be hacking?
must she be hacking?
must we be hacking?
must you be hacking?
must they be hacking? 	must I have hacked?
must you have hacked?
must she 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 she 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 	
must I not hack?
must you not hack?
must she not hack?
must we not hack?
must you not hack?
must they not hack? 	must I not be hacking?
must you not be hacking?
must she not be hacking?
must we not be hacking?
must you not be hacking?
must they not be hacking? 	must I not have hacked?
must you not have hacked?
must she not have hacked?
must we not have hacked?
must you not have hacked?
must they not have hacked? 	must I not have been hacking?
must you not have been hacking?
must she not have been hacking?
must we not have been hacking?
must you not have been hacking?
must they not have been hacking?