English verb conjugation
MUST PERPETUATE

Regular verb: perpetuate - perpetuated - perpetuated

Affirmation

Simple form	V-ing form
I must perpetuate you must perpetuate she must perpetuate we must perpetuate you must perpetuate they must perpetuate	I must be perpetuating you must be perpetuating she must be perpetuating we must be perpetuating you must be perpetuating they must be perpetuating
Perfect	V-ing perfect
I must have perpetuated you must have perpetuated she must have perpetuated we must have perpetuated you must have perpetuated they must have perpetuated	I must have been perpetuating you must have been perpetuating she must have been perpetuating we must have been perpetuating you must have been perpetuating they must have been perpetuating

Negation

Simple form	V-ing form
I mustn't perpetuate you mustn't perpetuate she mustn't perpetuate we mustn't perpetuate you mustn't perpetuate they mustn't perpetuate	I mustn't be perpetuating you mustn't be perpetuating she mustn't be perpetuating we mustn't be perpetuating you mustn't be perpetuating they mustn't be perpetuating
Perfect	V-ing perfect
I mustn't have perpetuated you mustn't have perpetuated she mustn't have perpetuated we mustn't have perpetuated you mustn't have perpetuated they mustn't have perpetuated	I mustn't have been perpetuating you mustn't have been perpetuating she mustn't have been perpetuating we mustn't have been perpetuating you mustn't have been perpetuating they mustn't have been perpetuating

Interrogative form

Simple form	V-ing form
must I perpetuate? must you perpetuate? must she perpetuate? must we perpetuate? must you perpetuate? must they perpetuate?	must I be perpetuating? must you be perpetuating? must she be perpetuating? must we be perpetuating? must you be perpetuating? must they be perpetuating?
Perfect	V-ing perfect
must I have perpetuated? must you have perpetuated? must she have perpetuated? must we have perpetuated? must you have perpetuated? must they have perpetuated?	must I have been perpetuating? must you have been perpetuating? must she have been perpetuating? must we have been perpetuating? must you have been perpetuating? must they have been perpetuating?

Interro-negative form

Simple form	V-ing form
mustn't I perpetuate? mustn't you perpetuate? mustn't she perpetuate? mustn't we perpetuate? mustn't you perpetuate? mustn't they perpetuate?	mustn't I be perpetuating? mustn't you be perpetuating? mustn't she be perpetuating? mustn't we be perpetuating? mustn't you be perpetuating? mustn't they be perpetuating?
Perfect	V-ing perfect
mustn't I have perpetuated? mustn't you have perpetuated? mustn't she have perpetuated? mustn't we have perpetuated? mustn't you have perpetuated? mustn't they have perpetuated?	mustn't I have been perpetuating? mustn't you have been perpetuating? mustn't she have been perpetuating? mustn't we have been perpetuating? mustn't you have been perpetuating? mustn't they have been perpetuating?