may author
Regular verb: author - authored- authored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may author
you may author
she may author
we may author
you may author
they may author 	I may be authoring
you may be authoring
she may be authoring
we may be authoring
you may be authoring
they may be authoring	I may have authored
you may have authored
she may have authored
we may have authored
you may have authored
they may have authored	I may have been authoring
you may have been authoring
she may have been authoring
we may have been authoring
you may have been authoring
they may have been authoring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't author
you mayn't author
she mayn't author
we mayn't author
you mayn't author
they mayn't author 	I mayn't be authoring
you mayn't be authoring
she mayn't be authoring
we mayn't be authoring
you mayn't be authoring
they mayn't be authoring	I mayn't have authored
you mayn't have authored
she mayn't have authored
we mayn't have authored
you mayn't have authored
they mayn't have authored	I mayn't have been authoring
you mayn't have been authoring
she mayn't have been authoring
we mayn't have been authoring
you mayn't have been authoring
they mayn't have been authoring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I author?
may you author?
may she author?
may we author?
may you author?
may they author? 	may I be authoring?
may you be authoring?
may she be authoring?
may we be authoring?
may you be authoring?
may they be authoring? 	may I have authored?
may you have authored?
may she have authored?
may we have authored?
may you have authored?
may they have authored? 	may I have been authoring?
may you have been authoring?
may she have been authoring?
may we have been authoring?
may you have been authoring?
may they have been authoring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I author?
mayn't you author?
mayn't she author?
mayn't we author?
mayn't you author?
mayn't they author? 	mayn't I be authoring?
mayn't you be authoring?
mayn't she be authoring?
mayn't we be authoring?
mayn't you be authoring?
mayn't they be authoring? 	mayn't I have authored?
mayn't you have authored?
mayn't she have authored?
mayn't we have authored?
mayn't you have authored?
mayn't they have authored? 	mayn't I have been authoring?
mayn't you have been authoring?
mayn't she have been authoring?
mayn't we have been authoring?
mayn't you have been authoring?
mayn't they have been authoring?