may upshift
Regular verb: upshift - upshifted- upshifted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may upshift
you may upshift
he may upshift
we may upshift
you may upshift
they may upshift 	I may be upshifting
you may be upshifting
he may be upshifting
we may be upshifting
you may be upshifting
they may be upshifting	I may have upshifted
you may have upshifted
he 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
he 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 may not upshift
you may not upshift
he may not upshift
we may not upshift
you may not upshift
they may not upshift 	I may not be upshifting
you may not be upshifting
he may not be upshifting
we may not be upshifting
you may not be upshifting
they may not be upshifting	I may not have upshifted
you may not have upshifted
he may not have upshifted
we may not have upshifted
you may not have upshifted
they may not have upshifted	I may not have been upshifting
you may not have been upshifting
he may not have been upshifting
we may not have been upshifting
you may not have been upshifting
they may not have been upshifting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I upshift?
may you upshift?
may he upshift?
may we upshift?
may you upshift?
may they upshift? 	may I be upshifting?
may you be upshifting?
may he be upshifting?
may we be upshifting?
may you be upshifting?
may they be upshifting? 	may I have upshifted?
may you have upshifted?
may he 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 he 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 	
may I not upshift?
may you not upshift?
may he not upshift?
may we not upshift?
may you not upshift?
may they not upshift? 	may I not be upshifting?
may you not be upshifting?
may he not be upshifting?
may we not be upshifting?
may you not be upshifting?
may they not be upshifting? 	may I not have upshifted?
may you not have upshifted?
may he not have upshifted?
may we not have upshifted?
may you not have upshifted?
may they not have upshifted? 	may I not have been upshifting?
may you not have been upshifting?
may he not have been upshifting?
may we not have been upshifting?
may you not have been upshifting?
may they not have been upshifting?