English verb conjugation
MUST MOUSSE

Regular verb: mousse - moussed - moussed

Affirmation

Simple form	V-ing form
I must mousse you must mousse she must mousse we must mousse you must mousse they must mousse	I must be moussing you must be moussing she must be moussing we must be moussing you must be moussing they must be moussing
Perfect	V-ing perfect
I must have moussed you must have moussed she must have moussed we must have moussed you must have moussed they must have moussed	I must have been moussing you must have been moussing she must have been moussing we must have been moussing you must have been moussing they must have been moussing

Negation

Simple form	V-ing form
I mustn't mousse you mustn't mousse she mustn't mousse we mustn't mousse you mustn't mousse they mustn't mousse	I mustn't be moussing you mustn't be moussing she mustn't be moussing we mustn't be moussing you mustn't be moussing they mustn't be moussing
Perfect	V-ing perfect
I mustn't have moussed you mustn't have moussed she mustn't have moussed we mustn't have moussed you mustn't have moussed they mustn't have moussed	I mustn't have been moussing you mustn't have been moussing she mustn't have been moussing we mustn't have been moussing you mustn't have been moussing they mustn't have been moussing

Interrogative form

Simple form	V-ing form
must I mousse? must you mousse? must she mousse? must we mousse? must you mousse? must they mousse?	must I be moussing? must you be moussing? must she be moussing? must we be moussing? must you be moussing? must they be moussing?
Perfect	V-ing perfect
must I have moussed? must you have moussed? must she have moussed? must we have moussed? must you have moussed? must they have moussed?	must I have been moussing? must you have been moussing? must she have been moussing? must we have been moussing? must you have been moussing? must they have been moussing?

Interro-negative form

Simple form	V-ing form
mustn't I mousse? mustn't you mousse? mustn't she mousse? mustn't we mousse? mustn't you mousse? mustn't they mousse?	mustn't I be moussing? mustn't you be moussing? mustn't she be moussing? mustn't we be moussing? mustn't you be moussing? mustn't they be moussing?
Perfect	V-ing perfect
mustn't I have moussed? mustn't you have moussed? mustn't she have moussed? mustn't we have moussed? mustn't you have moussed? mustn't they have moussed?	mustn't I have been moussing? mustn't you have been moussing? mustn't she have been moussing? mustn't we have been moussing? mustn't you have been moussing? mustn't they have been moussing?