Conjugación del verbo inglés
MUST COMMENCE

Verbo regular: commence - commenced - commenced

Afirmación

Forma simple	Forma con V-ing
I must commence you must commence he must commence we must commence you must commence they must commence	I must be commencing you must be commencing he must be commencing we must be commencing you must be commencing they must be commencing
Perfecto	Perfecto con V-ing
I must have commenced you must have commenced he must have commenced we must have commenced you must have commenced they must have commenced	I must have been commencing you must have been commencing he must have been commencing we must have been commencing you must have been commencing they must have been commencing

Negación

Forma simple	Forma con V-ing
I must not commence you must not commence he must not commence we must not commence you must not commence they must not commence	I must not be commencing you must not be commencing he must not be commencing we must not be commencing you must not be commencing they must not be commencing
Perfecto	Perfecto con V-ing
I must not have commenced you must not have commenced he must not have commenced we must not have commenced you must not have commenced they must not have commenced	I must not have been commencing you must not have been commencing he must not have been commencing we must not have been commencing you must not have been commencing they must not have been commencing

Forma interrogativa

Forma simple	Forma con V-ing
must I commence? must you commence? must he commence? must we commence? must you commence? must they commence?	must I be commencing? must you be commencing? must he be commencing? must we be commencing? must you be commencing? must they be commencing?
Perfecto	Perfecto con V-ing
must I have commenced? must you have commenced? must he have commenced? must we have commenced? must you have commenced? must they have commenced?	must I have been commencing? must you have been commencing? must he have been commencing? must we have been commencing? must you have been commencing? must they have been commencing?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not commence? must you not commence? must he not commence? must we not commence? must you not commence? must they not commence?	must I not be commencing? must you not be commencing? must he not be commencing? must we not be commencing? must you not be commencing? must they not be commencing?
Perfecto	Perfecto con V-ing
must I not have commenced? must you not have commenced? must he not have commenced? must we not have commenced? must you not have commenced? must they not have commenced?	must I not have been commencing? must you not have been commencing? must he not have been commencing? must we not have been commencing? must you not have been commencing? must they not have been commencing?