English verb conjugation
MUST DEFILE

Regular verb: defile - defiled - defiled

Affirmation

Simple form	V-ing form
I must defile you must defile he must defile we must defile you must defile they must defile	I must be defiling you must be defiling he must be defiling we must be defiling you must be defiling they must be defiling
Perfect	V-ing perfect
I must have defiled you must have defiled he must have defiled we must have defiled you must have defiled they must have defiled	I must have been defiling you must have been defiling he must have been defiling we must have been defiling you must have been defiling they must have been defiling

Negation

Simple form	V-ing form
I mustn't defile you mustn't defile he mustn't defile we mustn't defile you mustn't defile they mustn't defile	I mustn't be defiling you mustn't be defiling he mustn't be defiling we mustn't be defiling you mustn't be defiling they mustn't be defiling
Perfect	V-ing perfect
I mustn't have defiled you mustn't have defiled he mustn't have defiled we mustn't have defiled you mustn't have defiled they mustn't have defiled	I mustn't have been defiling you mustn't have been defiling he mustn't have been defiling we mustn't have been defiling you mustn't have been defiling they mustn't have been defiling

Interrogative form

Simple form	V-ing form
must I defile? must you defile? must he defile? must we defile? must you defile? must they defile?	must I be defiling? must you be defiling? must he be defiling? must we be defiling? must you be defiling? must they be defiling?
Perfect	V-ing perfect
must I have defiled? must you have defiled? must he have defiled? must we have defiled? must you have defiled? must they have defiled?	must I have been defiling? must you have been defiling? must he have been defiling? must we have been defiling? must you have been defiling? must they have been defiling?

Interro-negative form

Simple form	V-ing form
mustn't I defile? mustn't you defile? mustn't he defile? mustn't we defile? mustn't you defile? mustn't they defile?	mustn't I be defiling? mustn't you be defiling? mustn't he be defiling? mustn't we be defiling? mustn't you be defiling? mustn't they be defiling?
Perfect	V-ing perfect
mustn't I have defiled? mustn't you have defiled? mustn't he have defiled? mustn't we have defiled? mustn't you have defiled? mustn't they have defiled?	mustn't I have been defiling? mustn't you have been defiling? mustn't he have been defiling? mustn't we have been defiling? mustn't you have been defiling? mustn't they have been defiling?