may invert
Regular verb: invert - inverted- inverted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may invert
you may invert
she may invert
we may invert
you may invert
they may invert 	I may be inverting
you may be inverting
she may be inverting
we may be inverting
you may be inverting
they may be inverting	I may have inverted
you may have inverted
she may have inverted
we may have inverted
you may have inverted
they may have inverted	I may have been inverting
you may have been inverting
she may have been inverting
we may have been inverting
you may have been inverting
they may have been inverting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't invert
you mayn't invert
she mayn't invert
we mayn't invert
you mayn't invert
they mayn't invert 	I mayn't be inverting
you mayn't be inverting
she mayn't be inverting
we mayn't be inverting
you mayn't be inverting
they mayn't be inverting	I mayn't have inverted
you mayn't have inverted
she mayn't have inverted
we mayn't have inverted
you mayn't have inverted
they mayn't have inverted	I mayn't have been inverting
you mayn't have been inverting
she mayn't have been inverting
we mayn't have been inverting
you mayn't have been inverting
they mayn't have been inverting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I invert?
may you invert?
may she invert?
may we invert?
may you invert?
may they invert? 	may I be inverting?
may you be inverting?
may she be inverting?
may we be inverting?
may you be inverting?
may they be inverting? 	may I have inverted?
may you have inverted?
may she have inverted?
may we have inverted?
may you have inverted?
may they have inverted? 	may I have been inverting?
may you have been inverting?
may she have been inverting?
may we have been inverting?
may you have been inverting?
may they have been inverting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I invert?
mayn't you invert?
mayn't she invert?
mayn't we invert?
mayn't you invert?
mayn't they invert? 	mayn't I be inverting?
mayn't you be inverting?
mayn't she be inverting?
mayn't we be inverting?
mayn't you be inverting?
mayn't they be inverting? 	mayn't I have inverted?
mayn't you have inverted?
mayn't she have inverted?
mayn't we have inverted?
mayn't you have inverted?
mayn't they have inverted? 	mayn't I have been inverting?
mayn't you have been inverting?
mayn't she have been inverting?
mayn't we have been inverting?
mayn't you have been inverting?
mayn't they have been inverting?