English verb conjugation
MUST UNLOCK

Regular verb: unlock - unlocked - unlocked

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?