I may commence you may commence he may commence we may commence you may commence they may commence
V-ing form
I may be commencing you may be commencing he may be commencing we may be commencing you may be commencing they may be commencing
Perfect
I may have commenced you may have commenced he may have commenced we may have commenced you may have commenced they may have commenced
V-ing perfect
I may have been commencing you may have been commencing he may have been commencing we may have been commencing you may have been commencing they may have been commencing
Negation
Simple form
I may not commence you may not commence he may not commence we may not commence you may not commence they may not commence
V-ing form
I may not be commencing you may not be commencing he may not be commencing we may not be commencing you may not be commencing they may not be commencing
Perfect
I may not have commenced you may not have commenced he may not have commenced we may not have commenced you may not have commenced they may not have commenced
V-ing perfect
I may not have been commencing you may not have been commencing he may not have been commencing we may not have been commencing you may not have been commencing they may not have been commencing
Interrogative form
Simple form
may I commence? may you commence? may he commence? may we commence? may you commence? may they commence?
V-ing form
may I be commencing? may you be commencing? may he be commencing? may we be commencing? may you be commencing? may they be commencing?
Perfect
may I have commenced? may you have commenced? may he have commenced? may we have commenced? may you have commenced? may they have commenced?
V-ing perfect
may I have been commencing? may you have been commencing? may he have been commencing? may we have been commencing? may you have been commencing? may they have been commencing?
Interro-negative form
Simple form
may I not commence? may you not commence? may he not commence? may we not commence? may you not commence? may they not commence?
V-ing form
may I not be commencing? may you not be commencing? may he not be commencing? may we not be commencing? may you not be commencing? may they not be commencing?
Perfect
may I not have commenced? may you not have commenced? may he not have commenced? may we not have commenced? may you not have commenced? may they not have commenced?
V-ing perfect
may I not have been commencing? may you not have been commencing? may he not have been commencing? may we not have been commencing? may you not have been commencing? may they not have been commencing?