English verb conjugation
MUST REFACE

Regular verb: reface - refaced - refaced

Affirmation

Simple form	V-ing form
I must reface you must reface she must reface we must reface you must reface they must reface	I must be refacing you must be refacing she must be refacing we must be refacing you must be refacing they must be refacing
Perfect	V-ing perfect
I must have refaced you must have refaced she must have refaced we must have refaced you must have refaced they must have refaced	I must have been refacing you must have been refacing she must have been refacing we must have been refacing you must have been refacing they must have been refacing

Negation

Simple form	V-ing form
I mustn't reface you mustn't reface she mustn't reface we mustn't reface you mustn't reface they mustn't reface	I mustn't be refacing you mustn't be refacing she mustn't be refacing we mustn't be refacing you mustn't be refacing they mustn't be refacing
Perfect	V-ing perfect
I mustn't have refaced you mustn't have refaced she mustn't have refaced we mustn't have refaced you mustn't have refaced they mustn't have refaced	I mustn't have been refacing you mustn't have been refacing she mustn't have been refacing we mustn't have been refacing you mustn't have been refacing they mustn't have been refacing

Interrogative form

Simple form	V-ing form
must I reface? must you reface? must she reface? must we reface? must you reface? must they reface?	must I be refacing? must you be refacing? must she be refacing? must we be refacing? must you be refacing? must they be refacing?
Perfect	V-ing perfect
must I have refaced? must you have refaced? must she have refaced? must we have refaced? must you have refaced? must they have refaced?	must I have been refacing? must you have been refacing? must she have been refacing? must we have been refacing? must you have been refacing? must they have been refacing?

Interro-negative form

Simple form	V-ing form
mustn't I reface? mustn't you reface? mustn't she reface? mustn't we reface? mustn't you reface? mustn't they reface?	mustn't I be refacing? mustn't you be refacing? mustn't she be refacing? mustn't we be refacing? mustn't you be refacing? mustn't they be refacing?
Perfect	V-ing perfect
mustn't I have refaced? mustn't you have refaced? mustn't she have refaced? mustn't we have refaced? mustn't you have refaced? mustn't they have refaced?	mustn't I have been refacing? mustn't you have been refacing? mustn't she have been refacing? mustn't we have been refacing? mustn't you have been refacing? mustn't they have been refacing?