English verb conjugation
MUST APPRENTICE

Regular verb: apprentice - apprenticed - apprenticed

Affirmation

Simple form	V-ing form
I must apprentice you must apprentice he must apprentice we must apprentice you must apprentice they must apprentice	I must be apprenticing you must be apprenticing he must be apprenticing we must be apprenticing you must be apprenticing they must be apprenticing
Perfect	V-ing perfect
I must have apprenticed you must have apprenticed he must have apprenticed we must have apprenticed you must have apprenticed they must have apprenticed	I must have been apprenticing you must have been apprenticing he must have been apprenticing we must have been apprenticing you must have been apprenticing they must have been apprenticing

Negation

Simple form	V-ing form
I mustn't apprentice you mustn't apprentice he mustn't apprentice we mustn't apprentice you mustn't apprentice they mustn't apprentice	I mustn't be apprenticing you mustn't be apprenticing he mustn't be apprenticing we mustn't be apprenticing you mustn't be apprenticing they mustn't be apprenticing
Perfect	V-ing perfect
I mustn't have apprenticed you mustn't have apprenticed he mustn't have apprenticed we mustn't have apprenticed you mustn't have apprenticed they mustn't have apprenticed	I mustn't have been apprenticing you mustn't have been apprenticing he mustn't have been apprenticing we mustn't have been apprenticing you mustn't have been apprenticing they mustn't have been apprenticing

Interrogative form

Simple form	V-ing form
must I apprentice? must you apprentice? must he apprentice? must we apprentice? must you apprentice? must they apprentice?	must I be apprenticing? must you be apprenticing? must he be apprenticing? must we be apprenticing? must you be apprenticing? must they be apprenticing?
Perfect	V-ing perfect
must I have apprenticed? must you have apprenticed? must he have apprenticed? must we have apprenticed? must you have apprenticed? must they have apprenticed?	must I have been apprenticing? must you have been apprenticing? must he have been apprenticing? must we have been apprenticing? must you have been apprenticing? must they have been apprenticing?

Interro-negative form

Simple form	V-ing form
mustn't I apprentice? mustn't you apprentice? mustn't he apprentice? mustn't we apprentice? mustn't you apprentice? mustn't they apprentice?	mustn't I be apprenticing? mustn't you be apprenticing? mustn't he be apprenticing? mustn't we be apprenticing? mustn't you be apprenticing? mustn't they be apprenticing?
Perfect	V-ing perfect
mustn't I have apprenticed? mustn't you have apprenticed? mustn't he have apprenticed? mustn't we have apprenticed? mustn't you have apprenticed? mustn't they have apprenticed?	mustn't I have been apprenticing? mustn't you have been apprenticing? mustn't he have been apprenticing? mustn't we have been apprenticing? mustn't you have been apprenticing? mustn't they have been apprenticing?