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 must not prestress you must not prestress she must not prestress we must not prestress you must not prestress they must not prestress	I must not be prestressing you must not be prestressing she must not be prestressing we must not be prestressing you must not be prestressing they must not be prestressing
Perfect	V-ing perfect
I must not have prestressed you must not have prestressed she must not have prestressed we must not have prestressed you must not have prestressed they must not have prestressed	I must not have been prestressing you must not have been prestressing she must not have been prestressing we must not have been prestressing you must not have been prestressing they must not 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
must I not prestress? must you not prestress? must she not prestress? must we not prestress? must you not prestress? must they not prestress?	must I not be prestressing? must you not be prestressing? must she not be prestressing? must we not be prestressing? must you not be prestressing? must they not be prestressing?
Perfect	V-ing perfect
must I not have prestressed? must you not have prestressed? must she not have prestressed? must we not have prestressed? must you not have prestressed? must they not have prestressed?	must I not have been prestressing? must you not have been prestressing? must she not have been prestressing? must we not have been prestressing? must you not have been prestressing? must they not have been prestressing?