must unblock
Verbo regular: unblock - unblocked- unblocked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must unblock
you must unblock
he must unblock
we must unblock
you must unblock
they must unblock 	I must be unblocking
you must be unblocking
he must be unblocking
we must be unblocking
you must be unblocking
they must be unblocking	I must have unblocked
you must have unblocked
he must have unblocked
we must have unblocked
you must have unblocked
they must have unblocked	I must have been unblocking
you must have been unblocking
he must have been unblocking
we must have been unblocking
you must have been unblocking
they must have been unblocking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not unblock
you must not unblock
he must not unblock
we must not unblock
you must not unblock
they must not unblock 	I must not be unblocking
you must not be unblocking
he must not be unblocking
we must not be unblocking
you must not be unblocking
they must not be unblocking	I must not have unblocked
you must not have unblocked
he must not have unblocked
we must not have unblocked
you must not have unblocked
they must not have unblocked	I must not have been unblocking
you must not have been unblocking
he must not have been unblocking
we must not have been unblocking
you must not have been unblocking
they must not have been unblocking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I unblock?
must you unblock?
must he unblock?
must we unblock?
must you unblock?
must they unblock? 	must I be unblocking?
must you be unblocking?
must he be unblocking?
must we be unblocking?
must you be unblocking?
must they be unblocking? 	must I have unblocked?
must you have unblocked?
must he have unblocked?
must we have unblocked?
must you have unblocked?
must they have unblocked? 	must I have been unblocking?
must you have been unblocking?
must he have been unblocking?
must we have been unblocking?
must you have been unblocking?
must they have been unblocking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not unblock?
must you not unblock?
must he not unblock?
must we not unblock?
must you not unblock?
must they not unblock? 	must I not be unblocking?
must you not be unblocking?
must he not be unblocking?
must we not be unblocking?
must you not be unblocking?
must they not be unblocking? 	must I not have unblocked?
must you not have unblocked?
must he not have unblocked?
must we not have unblocked?
must you not have unblocked?
must they not have unblocked? 	must I not have been unblocking?
must you not have been unblocking?
must he not have been unblocking?
must we not have been unblocking?
must you not have been unblocking?
must they not have been unblocking?