must unlock
Verbo regular: unlock - unlocked- unlocked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must unlock
you must unlock
he must unlock
we must unlock
you must unlock
they must unlock 	I must be unlocking
you must be unlocking
he must be unlocking
we must be unlocking
you must be unlocking
they must be unlocking	I must have unlocked
you must have unlocked
he must have unlocked
we must have unlocked
you must have unlocked
they must have unlocked	I must have been unlocking
you must have been unlocking
he must have been unlocking
we must have been unlocking
you must have been unlocking
they must have been unlocking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't unlock
you mustn't unlock
he mustn't unlock
we mustn't unlock
you mustn't unlock
they mustn't unlock 	I mustn't be unlocking
you mustn't be unlocking
he mustn't be unlocking
we mustn't be unlocking
you mustn't be unlocking
they mustn't be unlocking	I mustn't have unlocked
you mustn't have unlocked
he mustn't have unlocked
we mustn't have unlocked
you mustn't have unlocked
they mustn't have unlocked	I mustn't have been unlocking
you mustn't have been unlocking
he mustn't have been unlocking
we mustn't have been unlocking
you mustn't have been unlocking
they mustn't have been unlocking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I unlock?
must you unlock?
must he unlock?
must we unlock?
must you unlock?
must they unlock? 	must I be unlocking?
must you be unlocking?
must he be unlocking?
must we be unlocking?
must you be unlocking?
must they be unlocking? 	must I have unlocked?
must you have unlocked?
must he have unlocked?
must we have unlocked?
must you have unlocked?
must they have unlocked? 	must I have been unlocking?
must you have been unlocking?
must he have been unlocking?
must we have been unlocking?
must you have been unlocking?
must they have been unlocking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I unlock?
mustn't you unlock?
mustn't he unlock?
mustn't we unlock?
mustn't you unlock?
mustn't they unlock? 	mustn't I be unlocking?
mustn't you be unlocking?
mustn't he be unlocking?
mustn't we be unlocking?
mustn't you be unlocking?
mustn't they be unlocking? 	mustn't I have unlocked?
mustn't you have unlocked?
mustn't he have unlocked?
mustn't we have unlocked?
mustn't you have unlocked?
mustn't they have unlocked? 	mustn't I have been unlocking?
mustn't you have been unlocking?
mustn't he have been unlocking?
mustn't we have been unlocking?
mustn't you have been unlocking?
mustn't they have been unlocking?