English verb conjugation
MUST DESCANT

Regular verb: descant - descanted - descanted

Affirmation

Simple form	V-ing form
I must descant you must descant he must descant we must descant you must descant they must descant	I must be descanting you must be descanting he must be descanting we must be descanting you must be descanting they must be descanting
Perfect	V-ing perfect
I must have descanted you must have descanted he must have descanted we must have descanted you must have descanted they must have descanted	I must have been descanting you must have been descanting he must have been descanting we must have been descanting you must have been descanting they must have been descanting

Negation

Simple form	V-ing form
I must not descant you must not descant he must not descant we must not descant you must not descant they must not descant	I must not be descanting you must not be descanting he must not be descanting we must not be descanting you must not be descanting they must not be descanting
Perfect	V-ing perfect
I must not have descanted you must not have descanted he must not have descanted we must not have descanted you must not have descanted they must not have descanted	I must not have been descanting you must not have been descanting he must not have been descanting we must not have been descanting you must not have been descanting they must not have been descanting

Interrogative form

Simple form	V-ing form
must I descant? must you descant? must he descant? must we descant? must you descant? must they descant?	must I be descanting? must you be descanting? must he be descanting? must we be descanting? must you be descanting? must they be descanting?
Perfect	V-ing perfect
must I have descanted? must you have descanted? must he have descanted? must we have descanted? must you have descanted? must they have descanted?	must I have been descanting? must you have been descanting? must he have been descanting? must we have been descanting? must you have been descanting? must they have been descanting?

Interro-negative form

Simple form	V-ing form
must I not descant? must you not descant? must he not descant? must we not descant? must you not descant? must they not descant?	must I not be descanting? must you not be descanting? must he not be descanting? must we not be descanting? must you not be descanting? must they not be descanting?
Perfect	V-ing perfect
must I not have descanted? must you not have descanted? must he not have descanted? must we not have descanted? must you not have descanted? must they not have descanted?	must I not have been descanting? must you not have been descanting? must he not have been descanting? must we not have been descanting? must you not have been descanting? must they not have been descanting?