English verb conjugation
MUST SPOUT

Regular verb: spout - spouted - spouted

Affirmation

Simple form	V-ing form
I must spout you must spout he must spout we must spout you must spout they must spout	I must be spouting you must be spouting he must be spouting we must be spouting you must be spouting they must be spouting
Perfect	V-ing perfect
I must have spouted you must have spouted he must have spouted we must have spouted you must have spouted they must have spouted	I must have been spouting you must have been spouting he must have been spouting we must have been spouting you must have been spouting they must have been spouting

Negation

Simple form	V-ing form
I must not spout you must not spout he must not spout we must not spout you must not spout they must not spout	I must not be spouting you must not be spouting he must not be spouting we must not be spouting you must not be spouting they must not be spouting
Perfect	V-ing perfect
I must not have spouted you must not have spouted he must not have spouted we must not have spouted you must not have spouted they must not have spouted	I must not have been spouting you must not have been spouting he must not have been spouting we must not have been spouting you must not have been spouting they must not have been spouting

Interrogative form

Simple form	V-ing form
must I spout? must you spout? must he spout? must we spout? must you spout? must they spout?	must I be spouting? must you be spouting? must he be spouting? must we be spouting? must you be spouting? must they be spouting?
Perfect	V-ing perfect
must I have spouted? must you have spouted? must he have spouted? must we have spouted? must you have spouted? must they have spouted?	must I have been spouting? must you have been spouting? must he have been spouting? must we have been spouting? must you have been spouting? must they have been spouting?

Interro-negative form

Simple form	V-ing form
must I not spout? must you not spout? must he not spout? must we not spout? must you not spout? must they not spout?	must I not be spouting? must you not be spouting? must he not be spouting? must we not be spouting? must you not be spouting? must they not be spouting?
Perfect	V-ing perfect
must I not have spouted? must you not have spouted? must he not have spouted? must we not have spouted? must you not have spouted? must they not have spouted?	must I not have been spouting? must you not have been spouting? must he not have been spouting? must we not have been spouting? must you not have been spouting? must they not have been spouting?