English verb conjugation
MUST SHELLAC

Regular verb: shellac - shellaced - shellaced

Affirmation

Simple form	V-ing form
I must shellac you must shellac he must shellac we must shellac you must shellac they must shellac	I must be shellacing you must be shellacing he 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 he 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 he 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 must not shellac you must not shellac he must not shellac we must not shellac you must not shellac they must not shellac	I must not be shellacing you must not be shellacing he must not be shellacing we must not be shellacing you must not be shellacing they must not be shellacing
Perfect	V-ing perfect
I must not have shellaced you must not have shellaced he must not have shellaced we must not have shellaced you must not have shellaced they must not have shellaced	I must not have been shellacing you must not have been shellacing he must not have been shellacing we must not have been shellacing you must not have been shellacing they must not have been shellacing

Interrogative form

Simple form	V-ing form
must I shellac? must you shellac? must he shellac? must we shellac? must you shellac? must they shellac?	must I be shellacing? must you be shellacing? must he 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 he 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 he 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
must I not shellac? must you not shellac? must he not shellac? must we not shellac? must you not shellac? must they not shellac?	must I not be shellacing? must you not be shellacing? must he not be shellacing? must we not be shellacing? must you not be shellacing? must they not be shellacing?
Perfect	V-ing perfect
must I not have shellaced? must you not have shellaced? must he not have shellaced? must we not have shellaced? must you not have shellaced? must they not have shellaced?	must I not have been shellacing? must you not have been shellacing? must he not have been shellacing? must we not have been shellacing? must you not have been shellacing? must they not have been shellacing?