English verb conjugation
MUST COMPOSE

Regular verb: compose - composed - composed

Affirmation

Simple form	V-ing form
I must compose you must compose he must compose we must compose you must compose they must compose	I must be composing you must be composing he must be composing we must be composing you must be composing they must be composing
Perfect	V-ing perfect
I must have composed you must have composed he must have composed we must have composed you must have composed they must have composed	I must have been composing you must have been composing he must have been composing we must have been composing you must have been composing they must have been composing

Negation

Simple form	V-ing form
I mustn't compose you mustn't compose he mustn't compose we mustn't compose you mustn't compose they mustn't compose	I mustn't be composing you mustn't be composing he mustn't be composing we mustn't be composing you mustn't be composing they mustn't be composing
Perfect	V-ing perfect
I mustn't have composed you mustn't have composed he mustn't have composed we mustn't have composed you mustn't have composed they mustn't have composed	I mustn't have been composing you mustn't have been composing he mustn't have been composing we mustn't have been composing you mustn't have been composing they mustn't have been composing

Interrogative form

Simple form	V-ing form
must I compose? must you compose? must he compose? must we compose? must you compose? must they compose?	must I be composing? must you be composing? must he be composing? must we be composing? must you be composing? must they be composing?
Perfect	V-ing perfect
must I have composed? must you have composed? must he have composed? must we have composed? must you have composed? must they have composed?	must I have been composing? must you have been composing? must he have been composing? must we have been composing? must you have been composing? must they have been composing?

Interro-negative form

Simple form	V-ing form
mustn't I compose? mustn't you compose? mustn't he compose? mustn't we compose? mustn't you compose? mustn't they compose?	mustn't I be composing? mustn't you be composing? mustn't he be composing? mustn't we be composing? mustn't you be composing? mustn't they be composing?
Perfect	V-ing perfect
mustn't I have composed? mustn't you have composed? mustn't he have composed? mustn't we have composed? mustn't you have composed? mustn't they have composed?	mustn't I have been composing? mustn't you have been composing? mustn't he have been composing? mustn't we have been composing? mustn't you have been composing? mustn't they have been composing?