may commence
Verbo regular: commence - commenced- commenced

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

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not commence
you may not commence
he may not commence
we may not commence
you may not commence
they may not commence 	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	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	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	

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

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not commence?
may you not commence?
may he not commence?
may we not commence?
may you not commence?
may they not commence? 	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? 	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? 	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?