I must compose you must compose he must compose we must compose you must compose they must compose
Forma con V-ing
I must be composing you must be composing he must be composing we must be composing you must be composing they must be composing
Perfecto
I must have composed you must have composed he must have composed we must have composed you must have composed they must have composed
Perfecto con V-ing
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
Negación
Forma simple
I must not compose you must not compose he must not compose we must not compose you must not compose they must not compose
Forma con V-ing
I must not be composing you must not be composing he must not be composing we must not be composing you must not be composing they must not be composing
Perfecto
I must not have composed you must not have composed he must not have composed we must not have composed you must not have composed they must not have composed
Perfecto con V-ing
I must not have been composing you must not have been composing he must not have been composing we must not have been composing you must not have been composing they must not have been composing
Forma interrogativa
Forma simple
must I compose? must you compose? must he compose? must we compose? must you compose? must they compose?
Forma con V-ing
must I be composing? must you be composing? must he be composing? must we be composing? must you be composing? must they be composing?
Perfecto
must I have composed? must you have composed? must he have composed? must we have composed? must you have composed? must they have composed?
Perfecto con V-ing
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?
Forma interro-negativa
Forma simple
must I not compose? must you not compose? must he not compose? must we not compose? must you not compose? must they not compose?
Forma con V-ing
must I not be composing? must you not be composing? must he not be composing? must we not be composing? must you not be composing? must they not be composing?
Perfecto
must I not have composed? must you not have composed? must he not have composed? must we not have composed? must you not have composed? must they not have composed?
Perfecto con V-ing
must I not have been composing? must you not have been composing? must he not have been composing? must we not have been composing? must you not have been composing? must they not have been composing?