English verb conjugation
MUST PREDEFINE

Regular verb: predefine - predefined - predefined

Affirmation

Simple form	V-ing form
I must predefine you must predefine he must predefine we must predefine you must predefine they must predefine	I must be predefining you must be predefining he must be predefining we must be predefining you must be predefining they must be predefining
Perfect	V-ing perfect
I must have predefined you must have predefined he must have predefined we must have predefined you must have predefined they must have predefined	I must have been predefining you must have been predefining he must have been predefining we must have been predefining you must have been predefining they must have been predefining

Negation

Simple form	V-ing form
I mustn't predefine you mustn't predefine he mustn't predefine we mustn't predefine you mustn't predefine they mustn't predefine	I mustn't be predefining you mustn't be predefining he mustn't be predefining we mustn't be predefining you mustn't be predefining they mustn't be predefining
Perfect	V-ing perfect
I mustn't have predefined you mustn't have predefined he mustn't have predefined we mustn't have predefined you mustn't have predefined they mustn't have predefined	I mustn't have been predefining you mustn't have been predefining he mustn't have been predefining we mustn't have been predefining you mustn't have been predefining they mustn't have been predefining

Interrogative form

Simple form	V-ing form
must I predefine? must you predefine? must he predefine? must we predefine? must you predefine? must they predefine?	must I be predefining? must you be predefining? must he be predefining? must we be predefining? must you be predefining? must they be predefining?
Perfect	V-ing perfect
must I have predefined? must you have predefined? must he have predefined? must we have predefined? must you have predefined? must they have predefined?	must I have been predefining? must you have been predefining? must he have been predefining? must we have been predefining? must you have been predefining? must they have been predefining?

Interro-negative form

Simple form	V-ing form
mustn't I predefine? mustn't you predefine? mustn't he predefine? mustn't we predefine? mustn't you predefine? mustn't they predefine?	mustn't I be predefining? mustn't you be predefining? mustn't he be predefining? mustn't we be predefining? mustn't you be predefining? mustn't they be predefining?
Perfect	V-ing perfect
mustn't I have predefined? mustn't you have predefined? mustn't he have predefined? mustn't we have predefined? mustn't you have predefined? mustn't they have predefined?	mustn't I have been predefining? mustn't you have been predefining? mustn't he have been predefining? mustn't we have been predefining? mustn't you have been predefining? mustn't they have been predefining?