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 mustn't sprout you mustn't sprout he mustn't sprout we mustn't sprout you mustn't sprout they mustn't sprout	I mustn't be sprouting you mustn't be sprouting he mustn't be sprouting we mustn't be sprouting you mustn't be sprouting they mustn't be sprouting
Perfect	V-ing perfect
I mustn't have sprouted you mustn't have sprouted he mustn't have sprouted we mustn't have sprouted you mustn't have sprouted they mustn't have sprouted	I mustn't have been sprouting you mustn't have been sprouting he mustn't have been sprouting we mustn't have been sprouting you mustn't have been sprouting they mustn't 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
mustn't I sprout? mustn't you sprout? mustn't he sprout? mustn't we sprout? mustn't you sprout? mustn't they sprout?	mustn't I be sprouting? mustn't you be sprouting? mustn't he be sprouting? mustn't we be sprouting? mustn't you be sprouting? mustn't they be sprouting?
Perfect	V-ing perfect
mustn't I have sprouted? mustn't you have sprouted? mustn't he have sprouted? mustn't we have sprouted? mustn't you have sprouted? mustn't they have sprouted?	mustn't I have been sprouting? mustn't you have been sprouting? mustn't he have been sprouting? mustn't we have been sprouting? mustn't you have been sprouting? mustn't they have been sprouting?