could downshift
Verbo regolare: downshift - downshifted- downshifted

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could downshift
you could downshift
he could downshift
we could downshift
you could downshift
they could downshift 	I could be downshifting
you could be downshifting
he could be downshifting
we could be downshifting
you could be downshifting
they could be downshifting	I could have downshifted
you could have downshifted
he could have downshifted
we could have downshifted
you could have downshifted
they could have downshifted	I could have been downshifting
you could have been downshifting
he could have been downshifting
we could have been downshifting
you could have been downshifting
they could have been downshifting	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not downshift
you could not downshift
he could not downshift
we could not downshift
you could not downshift
they could not downshift 	I could not be downshifting
you could not be downshifting
he could not be downshifting
we could not be downshifting
you could not be downshifting
they could not be downshifting	I could not have downshifted
you could not have downshifted
he could not have downshifted
we could not have downshifted
you could not have downshifted
they could not have downshifted	I could not have been downshifting
you could not have been downshifting
he could not have been downshifting
we could not have been downshifting
you could not have been downshifting
they could not have been downshifting	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I downshift?
could you downshift?
could he downshift?
could we downshift?
could you downshift?
could they downshift? 	could I be downshifting?
could you be downshifting?
could he be downshifting?
could we be downshifting?
could you be downshifting?
could they be downshifting? 	could I have downshifted?
could you have downshifted?
could he have downshifted?
could we have downshifted?
could you have downshifted?
could they have downshifted? 	could I have been downshifting?
could you have been downshifting?
could he have been downshifting?
could we have been downshifting?
could you have been downshifting?
could they have been downshifting? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not downshift?
could you not downshift?
could he not downshift?
could we not downshift?
could you not downshift?
could they not downshift? 	could I not be downshifting?
could you not be downshifting?
could he not be downshifting?
could we not be downshifting?
could you not be downshifting?
could they not be downshifting? 	could I not have downshifted?
could you not have downshifted?
could he not have downshifted?
could we not have downshifted?
could you not have downshifted?
could they not have downshifted? 	could I not have been downshifting?
could you not have been downshifting?
could he not have been downshifting?
could we not have been downshifting?
could you not have been downshifting?
could they not have been downshifting?