English verb conjugation
MUST SCHUSS

Regular verb: schuss - schussed - schussed

Affirmation

Simple form	V-ing form
I must schuss you must schuss he must schuss we must schuss you must schuss they must schuss	I must be schussing you must be schussing he must be schussing we must be schussing you must be schussing they must be schussing
Perfect	V-ing perfect
I must have schussed you must have schussed he must have schussed we must have schussed you must have schussed they must have schussed	I must have been schussing you must have been schussing he must have been schussing we must have been schussing you must have been schussing they must have been schussing

Negation

Simple form	V-ing form
I mustn't schuss you mustn't schuss he mustn't schuss we mustn't schuss you mustn't schuss they mustn't schuss	I mustn't be schussing you mustn't be schussing he mustn't be schussing we mustn't be schussing you mustn't be schussing they mustn't be schussing
Perfect	V-ing perfect
I mustn't have schussed you mustn't have schussed he mustn't have schussed we mustn't have schussed you mustn't have schussed they mustn't have schussed	I mustn't have been schussing you mustn't have been schussing he mustn't have been schussing we mustn't have been schussing you mustn't have been schussing they mustn't have been schussing

Interrogative form

Simple form	V-ing form
must I schuss? must you schuss? must he schuss? must we schuss? must you schuss? must they schuss?	must I be schussing? must you be schussing? must he be schussing? must we be schussing? must you be schussing? must they be schussing?
Perfect	V-ing perfect
must I have schussed? must you have schussed? must he have schussed? must we have schussed? must you have schussed? must they have schussed?	must I have been schussing? must you have been schussing? must he have been schussing? must we have been schussing? must you have been schussing? must they have been schussing?

Interro-negative form

Simple form	V-ing form
mustn't I schuss? mustn't you schuss? mustn't he schuss? mustn't we schuss? mustn't you schuss? mustn't they schuss?	mustn't I be schussing? mustn't you be schussing? mustn't he be schussing? mustn't we be schussing? mustn't you be schussing? mustn't they be schussing?
Perfect	V-ing perfect
mustn't I have schussed? mustn't you have schussed? mustn't he have schussed? mustn't we have schussed? mustn't you have schussed? mustn't they have schussed?	mustn't I have been schussing? mustn't you have been schussing? mustn't he have been schussing? mustn't we have been schussing? mustn't you have been schussing? mustn't they have been schussing?