English verb conjugation
MUST SPROUT

Regular verb: sprout - sprouted - sprouted

Affirmation

Simple form	V-ing form
I must sprout you must sprout he must sprout we must sprout you must sprout they must sprout	I must be sprouting you must be sprouting he must be sprouting we must be sprouting you must be sprouting they must be sprouting
Perfect	V-ing perfect
I must have sprouted you must have sprouted he must have sprouted we must have sprouted you must have sprouted they must have sprouted	I must have been sprouting you must have been sprouting he must have been sprouting we must have been sprouting you must have been sprouting they must have been sprouting

Negation

Simple form	V-ing form
I must not sprout you must not sprout he must not sprout we must not sprout you must not sprout they must not sprout	I must not be sprouting you must not be sprouting he must not be sprouting we must not be sprouting you must not be sprouting they must not be sprouting
Perfect	V-ing perfect
I must not have sprouted you must not have sprouted he must not have sprouted we must not have sprouted you must not have sprouted they must not have sprouted	I must not have been sprouting you must not have been sprouting he must not have been sprouting we must not have been sprouting you must not have been sprouting they must not have been sprouting

Interrogative form

Simple form	V-ing form
must I sprout? must you sprout? must he sprout? must we sprout? must you sprout? must they sprout?	must I be sprouting? must you be sprouting? must he be sprouting? must we be sprouting? must you be sprouting? must they be sprouting?
Perfect	V-ing perfect
must I have sprouted? must you have sprouted? must he have sprouted? must we have sprouted? must you have sprouted? must they have sprouted?	must I have been sprouting? must you have been sprouting? must he have been sprouting? must we have been sprouting? must you have been sprouting? must they have been sprouting?

Interro-negative form

Simple form	V-ing form
must I not sprout? must you not sprout? must he not sprout? must we not sprout? must you not sprout? must they not sprout?	must I not be sprouting? must you not be sprouting? must he not be sprouting? must we not be sprouting? must you not be sprouting? must they not be sprouting?
Perfect	V-ing perfect
must I not have sprouted? must you not have sprouted? must he not have sprouted? must we not have sprouted? must you not have sprouted? must they not have sprouted?	must I not have been sprouting? must you not have been sprouting? must he not have been sprouting? must we not have been sprouting? must you not have been sprouting? must they not have been sprouting?