may factor
Regular verb: factor - factored- factored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may factor
you may factor
she may factor
we may factor
you may factor
they may factor 	I may be factoring
you may be factoring
she may be factoring
we may be factoring
you may be factoring
they may be factoring	I may have factored
you may have factored
she may have factored
we may have factored
you may have factored
they may have factored	I may have been factoring
you may have been factoring
she may have been factoring
we may have been factoring
you may have been factoring
they may have been factoring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't factor
you mayn't factor
she mayn't factor
we mayn't factor
you mayn't factor
they mayn't factor 	I mayn't be factoring
you mayn't be factoring
she mayn't be factoring
we mayn't be factoring
you mayn't be factoring
they mayn't be factoring	I mayn't have factored
you mayn't have factored
she mayn't have factored
we mayn't have factored
you mayn't have factored
they mayn't have factored	I mayn't have been factoring
you mayn't have been factoring
she mayn't have been factoring
we mayn't have been factoring
you mayn't have been factoring
they mayn't have been factoring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I factor?
may you factor?
may she factor?
may we factor?
may you factor?
may they factor? 	may I be factoring?
may you be factoring?
may she be factoring?
may we be factoring?
may you be factoring?
may they be factoring? 	may I have factored?
may you have factored?
may she have factored?
may we have factored?
may you have factored?
may they have factored? 	may I have been factoring?
may you have been factoring?
may she have been factoring?
may we have been factoring?
may you have been factoring?
may they have been factoring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I factor?
mayn't you factor?
mayn't she factor?
mayn't we factor?
mayn't you factor?
mayn't they factor? 	mayn't I be factoring?
mayn't you be factoring?
mayn't she be factoring?
mayn't we be factoring?
mayn't you be factoring?
mayn't they be factoring? 	mayn't I have factored?
mayn't you have factored?
mayn't she have factored?
mayn't we have factored?
mayn't you have factored?
mayn't they have factored? 	mayn't I have been factoring?
mayn't you have been factoring?
mayn't she have been factoring?
mayn't we have been factoring?
mayn't you have been factoring?
mayn't they have been factoring?