English verb conjugation
MUST PREDEFINE

Regular verb: predefine - predefined - predefined

Affirmation

Simple form	V-ing form
I must predefine you must predefine she must predefine we must predefine you must predefine they must predefine	I must be predefining you must be predefining she 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 she 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 she 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 she 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 she 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 she 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 she 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 she predefine? must we predefine? must you predefine? must they predefine?	must I be predefining? must you be predefining? must she 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 she 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 she 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 she 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 she 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 she 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 she have been predefining? mustn't we have been predefining? mustn't you have been predefining? mustn't they have been predefining?