English verb conjugation
MUST FACE

Regular verb: face - faced - faced

Affirmation

Simple form	V-ing form
I must face you must face he must face we must face you must face they must face	I must be facing you must be facing he must be facing we must be facing you must be facing they must be facing
Perfect	V-ing perfect
I must have faced you must have faced he must have faced we must have faced you must have faced they must have faced	I must have been facing you must have been facing he must have been facing we must have been facing you must have been facing they must have been facing

Negation

Simple form	V-ing form
I mustn't face you mustn't face he mustn't face we mustn't face you mustn't face they mustn't face	I mustn't be facing you mustn't be facing he mustn't be facing we mustn't be facing you mustn't be facing they mustn't be facing
Perfect	V-ing perfect
I mustn't have faced you mustn't have faced he mustn't have faced we mustn't have faced you mustn't have faced they mustn't have faced	I mustn't have been facing you mustn't have been facing he mustn't have been facing we mustn't have been facing you mustn't have been facing they mustn't have been facing

Interrogative form

Simple form	V-ing form
must I face? must you face? must he face? must we face? must you face? must they face?	must I be facing? must you be facing? must he be facing? must we be facing? must you be facing? must they be facing?
Perfect	V-ing perfect
must I have faced? must you have faced? must he have faced? must we have faced? must you have faced? must they have faced?	must I have been facing? must you have been facing? must he have been facing? must we have been facing? must you have been facing? must they have been facing?

Interro-negative form

Simple form	V-ing form
mustn't I face? mustn't you face? mustn't he face? mustn't we face? mustn't you face? mustn't they face?	mustn't I be facing? mustn't you be facing? mustn't he be facing? mustn't we be facing? mustn't you be facing? mustn't they be facing?
Perfect	V-ing perfect
mustn't I have faced? mustn't you have faced? mustn't he have faced? mustn't we have faced? mustn't you have faced? mustn't they have faced?	mustn't I have been facing? mustn't you have been facing? mustn't he have been facing? mustn't we have been facing? mustn't you have been facing? mustn't they have been facing?