should upshift
Regular verb: upshift - upshifted- upshifted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd upshift
you'd upshift
she'd upshift
we'd upshift
you'd upshift
they'd upshift 	I'd be upshifting
you'd be upshifting
she'd be upshifting
we'd be upshifting
you'd be upshifting
they'd be upshifting	I should've upshifted
you should've upshifted
she should've upshifted
we should've upshifted
you should've upshifted
they should've upshifted	I should've been upshifting
you should've been upshifting
she should've been upshifting
we should've been upshifting
you should've been upshifting
they should've been upshifting	

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

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

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