English verb conjugation
MUST PROSE

Regular verb: prose - prosed - prosed

Affirmation

Simple form	V-ing form
I must prose you must prose he must prose we must prose you must prose they must prose	I must be prosing you must be prosing he must be prosing we must be prosing you must be prosing they must be prosing
Perfect	V-ing perfect
I must have prosed you must have prosed he must have prosed we must have prosed you must have prosed they must have prosed	I must have been prosing you must have been prosing he must have been prosing we must have been prosing you must have been prosing they must have been prosing

Negation

Simple form	V-ing form
I mustn't prose you mustn't prose he mustn't prose we mustn't prose you mustn't prose they mustn't prose	I mustn't be prosing you mustn't be prosing he mustn't be prosing we mustn't be prosing you mustn't be prosing they mustn't be prosing
Perfect	V-ing perfect
I mustn't have prosed you mustn't have prosed he mustn't have prosed we mustn't have prosed you mustn't have prosed they mustn't have prosed	I mustn't have been prosing you mustn't have been prosing he mustn't have been prosing we mustn't have been prosing you mustn't have been prosing they mustn't have been prosing

Interrogative form

Simple form	V-ing form
must I prose? must you prose? must he prose? must we prose? must you prose? must they prose?	must I be prosing? must you be prosing? must he be prosing? must we be prosing? must you be prosing? must they be prosing?
Perfect	V-ing perfect
must I have prosed? must you have prosed? must he have prosed? must we have prosed? must you have prosed? must they have prosed?	must I have been prosing? must you have been prosing? must he have been prosing? must we have been prosing? must you have been prosing? must they have been prosing?

Interro-negative form

Simple form	V-ing form
mustn't I prose? mustn't you prose? mustn't he prose? mustn't we prose? mustn't you prose? mustn't they prose?	mustn't I be prosing? mustn't you be prosing? mustn't he be prosing? mustn't we be prosing? mustn't you be prosing? mustn't they be prosing?
Perfect	V-ing perfect
mustn't I have prosed? mustn't you have prosed? mustn't he have prosed? mustn't we have prosed? mustn't you have prosed? mustn't they have prosed?	mustn't I have been prosing? mustn't you have been prosing? mustn't he have been prosing? mustn't we have been prosing? mustn't you have been prosing? mustn't they have been prosing?