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 can't downshift you can't downshift she can't downshift we can't downshift you can't downshift they can't downshift	I can't be downshifting you can't be downshifting she can't be downshifting we can't be downshifting you can't be downshifting they can't be downshifting
Perfect	V-ing perfect
I can't have downshifted you can't have downshifted she can't have downshifted we can't have downshifted you can't have downshifted they can't have downshifted	I can't have been downshifting you can't have been downshifting she can't have been downshifting we can't have been downshifting you can't have been downshifting they can't 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't I downshift? can't you downshift? can't she downshift? can't we downshift? can't you downshift? can't they downshift?	can't I be downshifting? can't you be downshifting? can't she be downshifting? can't we be downshifting? can't you be downshifting? can't they be downshifting?
Perfect	V-ing perfect
can't I have downshifted? can't you have downshifted? can't she have downshifted? can't we have downshifted? can't you have downshifted? can't they have downshifted?	can't I have been downshifting? can't you have been downshifting? can't she have been downshifting? can't we have been downshifting? can't you have been downshifting? can't they have been downshifting?