should downshift
Verbo regular: downshift - downshifted- downshifted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should downshift
you should downshift
she should downshift
we should downshift
you should downshift
they should downshift 	I should be downshifting
you should be downshifting
she should be downshifting
we should be downshifting
you should be downshifting
they should be downshifting	I should have downshifted
you should have downshifted
she should have downshifted
we should have downshifted
you should have downshifted
they should have downshifted	I should have been downshifting
you should have been downshifting
she should have been downshifting
we should have been downshifting
you should have been downshifting
they should have been downshifting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not downshift
you should not downshift
she should not downshift
we should not downshift
you should not downshift
they should not downshift 	I should not be downshifting
you should not be downshifting
she should not be downshifting
we should not be downshifting
you should not be downshifting
they should not be downshifting	I should not have downshifted
you should not have downshifted
she should not have downshifted
we should not have downshifted
you should not have downshifted
they should not have downshifted	I should not have been downshifting
you should not have been downshifting
she should not have been downshifting
we should not have been downshifting
you should not have been downshifting
they should not have been downshifting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I downshift?
should you downshift?
should she downshift?
should we downshift?
should you downshift?
should they downshift? 	should I be downshifting?
should you be downshifting?
should she be downshifting?
should we be downshifting?
should you be downshifting?
should they be downshifting? 	should I have downshifted?
should you have downshifted?
should she have downshifted?
should we have downshifted?
should you have downshifted?
should they have downshifted? 	should I have been downshifting?
should you have been downshifting?
should she have been downshifting?
should we have been downshifting?
should you have been downshifting?
should they have been downshifting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not downshift?
should you not downshift?
should she not downshift?
should we not downshift?
should you not downshift?
should they not downshift? 	should I not be downshifting?
should you not be downshifting?
should she not be downshifting?
should we not be downshifting?
should you not be downshifting?
should they not be downshifting? 	should I not have downshifted?
should you not have downshifted?
should she not have downshifted?
should we not have downshifted?
should you not have downshifted?
should they not have downshifted? 	should I not have been downshifting?
should you not have been downshifting?
should she not have been downshifting?
should we not have been downshifting?
should you not have been downshifting?
should they not have been downshifting?