English verb conjugation
MUST PRESTRESS

Regular verb: prestress - prestressed - prestressed

Affirmation

Simple form	V-ing form
I must prestress you must prestress she must prestress we must prestress you must prestress they must prestress	I must be prestressing you must be prestressing she must be prestressing we must be prestressing you must be prestressing they must be prestressing
Perfect	V-ing perfect
I must have prestressed you must have prestressed she must have prestressed we must have prestressed you must have prestressed they must have prestressed	I must have been prestressing you must have been prestressing she must have been prestressing we must have been prestressing you must have been prestressing they must have been prestressing

Negation

Simple form	V-ing form
I mustn't prestress you mustn't prestress she mustn't prestress we mustn't prestress you mustn't prestress they mustn't prestress	I mustn't be prestressing you mustn't be prestressing she mustn't be prestressing we mustn't be prestressing you mustn't be prestressing they mustn't be prestressing
Perfect	V-ing perfect
I mustn't have prestressed you mustn't have prestressed she mustn't have prestressed we mustn't have prestressed you mustn't have prestressed they mustn't have prestressed	I mustn't have been prestressing you mustn't have been prestressing she mustn't have been prestressing we mustn't have been prestressing you mustn't have been prestressing they mustn't have been prestressing

Interrogative form

Simple form	V-ing form
must I prestress? must you prestress? must she prestress? must we prestress? must you prestress? must they prestress?	must I be prestressing? must you be prestressing? must she be prestressing? must we be prestressing? must you be prestressing? must they be prestressing?
Perfect	V-ing perfect
must I have prestressed? must you have prestressed? must she have prestressed? must we have prestressed? must you have prestressed? must they have prestressed?	must I have been prestressing? must you have been prestressing? must she have been prestressing? must we have been prestressing? must you have been prestressing? must they have been prestressing?

Interro-negative form

Simple form	V-ing form
mustn't I prestress? mustn't you prestress? mustn't she prestress? mustn't we prestress? mustn't you prestress? mustn't they prestress?	mustn't I be prestressing? mustn't you be prestressing? mustn't she be prestressing? mustn't we be prestressing? mustn't you be prestressing? mustn't they be prestressing?
Perfect	V-ing perfect
mustn't I have prestressed? mustn't you have prestressed? mustn't she have prestressed? mustn't we have prestressed? mustn't you have prestressed? mustn't they have prestressed?	mustn't I have been prestressing? mustn't you have been prestressing? mustn't she have been prestressing? mustn't we have been prestressing? mustn't you have been prestressing? mustn't they have been prestressing?