may upshift
Verbo regular: upshift - upshifted- upshifted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't upshift
you mayn't upshift
he 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
he 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
he 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
he mayn't have been upshifting
we mayn't have been upshifting
you mayn't have been upshifting
they mayn't have been upshifting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I upshift?
mayn't you upshift?
mayn't he 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 he 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 he 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 he have been upshifting?
mayn't we have been upshifting?
mayn't you have been upshifting?
mayn't they have been upshifting?