English verb conjugation
MUST PERPETUATE

Regular verb: perpetuate - perpetuated - perpetuated

Affirmation

Simple form	V-ing form
I must perpetuate you must perpetuate he must perpetuate we must perpetuate you must perpetuate they must perpetuate	I must be perpetuating you must be perpetuating he 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 he 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 he 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 he 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 he 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 he 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 he 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 he perpetuate? must we perpetuate? must you perpetuate? must they perpetuate?	must I be perpetuating? must you be perpetuating? must he 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 he 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 he 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 he 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 he 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 he 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 he have been perpetuating? mustn't we have been perpetuating? mustn't you have been perpetuating? mustn't they have been perpetuating?