English verb conjugation
CAN DOWNSHIFT

Regular verb: downshift - downshifted - downshifted

Affirmation

Simple form	V-ing form
I can downshift you can downshift she can downshift we can downshift you can downshift they can downshift	I can be downshifting you can be downshifting she can be downshifting we can be downshifting you can be downshifting they can be downshifting
Perfect	V-ing perfect
I can have downshifted you can have downshifted she can have downshifted we can have downshifted you can have downshifted they can have downshifted	I can have been downshifting you can have been downshifting she can have been downshifting we can have been downshifting you can have been downshifting they can have been downshifting

Negation

Simple form	V-ing form
I cannot downshift you cannot downshift she cannot downshift we cannot downshift you cannot downshift they cannot downshift	I cannot be downshifting you cannot be downshifting she cannot be downshifting we cannot be downshifting you cannot be downshifting they cannot be downshifting
Perfect	V-ing perfect
I cannot have downshifted you cannot have downshifted she cannot have downshifted we cannot have downshifted you cannot have downshifted they cannot have downshifted	I cannot have been downshifting you cannot have been downshifting she cannot have been downshifting we cannot have been downshifting you cannot have been downshifting they cannot have been downshifting

Interrogative form

Simple form	V-ing form
can I downshift? can you downshift? can she downshift? can we downshift? can you downshift? can they downshift?	can I be downshifting? can you be downshifting? can she be downshifting? can we be downshifting? can you be downshifting? can they be downshifting?
Perfect	V-ing perfect
can I have downshifted? can you have downshifted? can she have downshifted? can we have downshifted? can you have downshifted? can they have downshifted?	can I have been downshifting? can you have been downshifting? can she have been downshifting? can we have been downshifting? can you have been downshifting? can they have been downshifting?

Interro-negative form

Simple form	V-ing form
can I not downshift? can you not downshift? can she not downshift? can we not downshift? can you not downshift? can they not downshift?	can I not be downshifting? can you not be downshifting? can she not be downshifting? can we not be downshifting? can you not be downshifting? can they not be downshifting?
Perfect	V-ing perfect
can I not have downshifted? can you not have downshifted? can she not have downshifted? can we not have downshifted? can you not have downshifted? can they not have downshifted?	can I not have been downshifting? can you not have been downshifting? can she not have been downshifting? can we not have been downshifting? can you not have been downshifting? can they not have been downshifting?