English verb conjugation
MUST SUPEREROGATE

Regular verb: supererogate - supererogated - supererogated

Affirmation

Simple form	V-ing form
I must supererogate you must supererogate she must supererogate we must supererogate you must supererogate they must supererogate	I must be supererogating you must be supererogating she must be supererogating we must be supererogating you must be supererogating they must be supererogating
Perfect	V-ing perfect
I must have supererogated you must have supererogated she must have supererogated we must have supererogated you must have supererogated they must have supererogated	I must have been supererogating you must have been supererogating she must have been supererogating we must have been supererogating you must have been supererogating they must have been supererogating

Negation

Simple form	V-ing form
I mustn't supererogate you mustn't supererogate she mustn't supererogate we mustn't supererogate you mustn't supererogate they mustn't supererogate	I mustn't be supererogating you mustn't be supererogating she mustn't be supererogating we mustn't be supererogating you mustn't be supererogating they mustn't be supererogating
Perfect	V-ing perfect
I mustn't have supererogated you mustn't have supererogated she mustn't have supererogated we mustn't have supererogated you mustn't have supererogated they mustn't have supererogated	I mustn't have been supererogating you mustn't have been supererogating she mustn't have been supererogating we mustn't have been supererogating you mustn't have been supererogating they mustn't have been supererogating

Interrogative form

Simple form	V-ing form
must I supererogate? must you supererogate? must she supererogate? must we supererogate? must you supererogate? must they supererogate?	must I be supererogating? must you be supererogating? must she be supererogating? must we be supererogating? must you be supererogating? must they be supererogating?
Perfect	V-ing perfect
must I have supererogated? must you have supererogated? must she have supererogated? must we have supererogated? must you have supererogated? must they have supererogated?	must I have been supererogating? must you have been supererogating? must she have been supererogating? must we have been supererogating? must you have been supererogating? must they have been supererogating?

Interro-negative form

Simple form	V-ing form
mustn't I supererogate? mustn't you supererogate? mustn't she supererogate? mustn't we supererogate? mustn't you supererogate? mustn't they supererogate?	mustn't I be supererogating? mustn't you be supererogating? mustn't she be supererogating? mustn't we be supererogating? mustn't you be supererogating? mustn't they be supererogating?
Perfect	V-ing perfect
mustn't I have supererogated? mustn't you have supererogated? mustn't she have supererogated? mustn't we have supererogated? mustn't you have supererogated? mustn't they have supererogated?	mustn't I have been supererogating? mustn't you have been supererogating? mustn't she have been supererogating? mustn't we have been supererogating? mustn't you have been supererogating? mustn't they have been supererogating?