female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MUST COMMENCE
Regular verb: commence - commenced - commenced
Affirmation
Simple form
I must commenceyou must commence
he must commence
we must commence
you must commence
they must commence
V-ing form
I must be commencingyou must be commencing
he must be commencing
we must be commencing
you must be commencing
they must be commencing
Perfect
I must have commencedyou must have commenced
he must have commenced
we must have commenced
you must have commenced
they must have commenced
V-ing perfect
I must have been commencingyou must have been commencing
he must have been commencing
we must have been commencing
you must have been commencing
they must have been commencing
Negation
Simple form
I mustn't commenceyou mustn't commence
he mustn't commence
we mustn't commence
you mustn't commence
they mustn't commence
V-ing form
I mustn't be commencingyou mustn't be commencing
he mustn't be commencing
we mustn't be commencing
you mustn't be commencing
they mustn't be commencing
Perfect
I mustn't have commencedyou mustn't have commenced
he mustn't have commenced
we mustn't have commenced
you mustn't have commenced
they mustn't have commenced
V-ing perfect
I mustn't have been commencingyou mustn't have been commencing
he mustn't have been commencing
we mustn't have been commencing
you mustn't have been commencing
they mustn't have been commencing
Interrogative form
Simple form
must I commence?must you commence?
must he commence?
must we commence?
must you commence?
must they commence?
V-ing form
must I be commencing?must you be commencing?
must he be commencing?
must we be commencing?
must you be commencing?
must they be commencing?
Perfect
must I have commenced?must you have commenced?
must he have commenced?
must we have commenced?
must you have commenced?
must they have commenced?
V-ing perfect
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?
Interro-negative form
Simple form
mustn't I commence?mustn't you commence?
mustn't he commence?
mustn't we commence?
mustn't you commence?
mustn't they commence?
V-ing form
mustn't I be commencing?mustn't you be commencing?
mustn't he be commencing?
mustn't we be commencing?
mustn't you be commencing?
mustn't they be commencing?
Perfect
mustn't I have commenced?mustn't you have commenced?
mustn't he have commenced?
mustn't we have commenced?
mustn't you have commenced?
mustn't they have commenced?
V-ing perfect
mustn't I have been commencing?mustn't you have been commencing?
mustn't he have been commencing?
mustn't we have been commencing?
mustn't you have been commencing?
mustn't they have been commencing?