may upshift
Regular verb: upshift - upshifted- upshifted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may upshift
you may upshift
she may upshift
we may upshift
you may upshift
they may upshift 	I may be upshifting
you may be upshifting
she may be upshifting
we may be upshifting
you may be upshifting
they may be upshifting	I may have upshifted
you may have upshifted
she may have upshifted
we may have upshifted
you may have upshifted
they may have upshifted	I may have been upshifting
you may have been upshifting
she may have been upshifting
we may have been upshifting
you may have been upshifting
they may have been upshifting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't upshift
you mayn't upshift
she mayn't upshift
we mayn't upshift
you mayn't upshift
they mayn't upshift 	I mayn't be upshifting
you mayn't be upshifting
she mayn't be upshifting
we mayn't be upshifting
you mayn't be upshifting
they mayn't be upshifting	I mayn't have upshifted
you mayn't have upshifted
she mayn't have upshifted
we mayn't have upshifted
you mayn't have upshifted
they mayn't have upshifted	I mayn't have been upshifting
you mayn't have been upshifting
she mayn't have been upshifting
we mayn't have been upshifting
you mayn't have been upshifting
they mayn't have been upshifting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I upshift?
may you upshift?
may she upshift?
may we upshift?
may you upshift?
may they upshift? 	may I be upshifting?
may you be upshifting?
may she be upshifting?
may we be upshifting?
may you be upshifting?
may they be upshifting? 	may I have upshifted?
may you have upshifted?
may she have upshifted?
may we have upshifted?
may you have upshifted?
may they have upshifted? 	may I have been upshifting?
may you have been upshifting?
may she have been upshifting?
may we have been upshifting?
may you have been upshifting?
may they have been upshifting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I upshift?
mayn't you upshift?
mayn't she upshift?
mayn't we upshift?
mayn't you upshift?
mayn't they upshift? 	mayn't I be upshifting?
mayn't you be upshifting?
mayn't she be upshifting?
mayn't we be upshifting?
mayn't you be upshifting?
mayn't they be upshifting? 	mayn't I have upshifted?
mayn't you have upshifted?
mayn't she have upshifted?
mayn't we have upshifted?
mayn't you have upshifted?
mayn't they have upshifted? 	mayn't I have been upshifting?
mayn't you have been upshifting?
mayn't she have been upshifting?
mayn't we have been upshifting?
mayn't you have been upshifting?
mayn't they have been upshifting?