may commencer
Regular verb: commencer - commencered- commencered

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may commencer
you may commencer
she may commencer
we may commencer
you may commencer
they may commencer 	I may be commencering
you may be commencering
she may be commencering
we may be commencering
you may be commencering
they may be commencering	I may have commencered
you may have commencered
she may have commencered
we may have commencered
you may have commencered
they may have commencered	I may have been commencering
you may have been commencering
she may have been commencering
we may have been commencering
you may have been commencering
they may have been commencering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't commencer
you mayn't commencer
she mayn't commencer
we mayn't commencer
you mayn't commencer
they mayn't commencer 	I mayn't be commencering
you mayn't be commencering
she mayn't be commencering
we mayn't be commencering
you mayn't be commencering
they mayn't be commencering	I mayn't have commencered
you mayn't have commencered
she mayn't have commencered
we mayn't have commencered
you mayn't have commencered
they mayn't have commencered	I mayn't have been commencering
you mayn't have been commencering
she mayn't have been commencering
we mayn't have been commencering
you mayn't have been commencering
they mayn't have been commencering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I commencer?
may you commencer?
may she commencer?
may we commencer?
may you commencer?
may they commencer? 	may I be commencering?
may you be commencering?
may she be commencering?
may we be commencering?
may you be commencering?
may they be commencering? 	may I have commencered?
may you have commencered?
may she have commencered?
may we have commencered?
may you have commencered?
may they have commencered? 	may I have been commencering?
may you have been commencering?
may she have been commencering?
may we have been commencering?
may you have been commencering?
may they have been commencering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I commencer?
mayn't you commencer?
mayn't she commencer?
mayn't we commencer?
mayn't you commencer?
mayn't they commencer? 	mayn't I be commencering?
mayn't you be commencering?
mayn't she be commencering?
mayn't we be commencering?
mayn't you be commencering?
mayn't they be commencering? 	mayn't I have commencered?
mayn't you have commencered?
mayn't she have commencered?
mayn't we have commencered?
mayn't you have commencered?
mayn't they have commencered? 	mayn't I have been commencering?
mayn't you have been commencering?
mayn't she have been commencering?
mayn't we have been commencering?
mayn't you have been commencering?
mayn't they have been commencering?