English verb conjugation
MUST SHELLAC

Regular verb: shellac - shellaced - shellaced

Affirmation

Simple form	V-ing form
I must shellac you must shellac she must shellac we must shellac you must shellac they must shellac	I must be shellacing you must be shellacing she must be shellacing we must be shellacing you must be shellacing they must be shellacing
Perfect	V-ing perfect
I must have shellaced you must have shellaced she must have shellaced we must have shellaced you must have shellaced they must have shellaced	I must have been shellacing you must have been shellacing she must have been shellacing we must have been shellacing you must have been shellacing they must have been shellacing

Negation

Simple form	V-ing form
I mustn't shellac you mustn't shellac she mustn't shellac we mustn't shellac you mustn't shellac they mustn't shellac	I mustn't be shellacing you mustn't be shellacing she mustn't be shellacing we mustn't be shellacing you mustn't be shellacing they mustn't be shellacing
Perfect	V-ing perfect
I mustn't have shellaced you mustn't have shellaced she mustn't have shellaced we mustn't have shellaced you mustn't have shellaced they mustn't have shellaced	I mustn't have been shellacing you mustn't have been shellacing she mustn't have been shellacing we mustn't have been shellacing you mustn't have been shellacing they mustn't have been shellacing

Interrogative form

Simple form	V-ing form
must I shellac? must you shellac? must she shellac? must we shellac? must you shellac? must they shellac?	must I be shellacing? must you be shellacing? must she be shellacing? must we be shellacing? must you be shellacing? must they be shellacing?
Perfect	V-ing perfect
must I have shellaced? must you have shellaced? must she have shellaced? must we have shellaced? must you have shellaced? must they have shellaced?	must I have been shellacing? must you have been shellacing? must she have been shellacing? must we have been shellacing? must you have been shellacing? must they have been shellacing?

Interro-negative form

Simple form	V-ing form
mustn't I shellac? mustn't you shellac? mustn't she shellac? mustn't we shellac? mustn't you shellac? mustn't they shellac?	mustn't I be shellacing? mustn't you be shellacing? mustn't she be shellacing? mustn't we be shellacing? mustn't you be shellacing? mustn't they be shellacing?
Perfect	V-ing perfect
mustn't I have shellaced? mustn't you have shellaced? mustn't she have shellaced? mustn't we have shellaced? mustn't you have shellaced? mustn't they have shellaced?	mustn't I have been shellacing? mustn't you have been shellacing? mustn't she have been shellacing? mustn't we have been shellacing? mustn't you have been shellacing? mustn't they have been shellacing?