English verb conjugation
SHOULD UNSHIFT

Regular verb: unshift - unshifted - unshifted

Affirmation

Simple form	V-ing form
I should unshift you should unshift she should unshift we should unshift you should unshift they should unshift	I should be unshifting you should be unshifting she should be unshifting we should be unshifting you should be unshifting they should be unshifting
Perfect	V-ing perfect
I should have unshifted you should have unshifted she should have unshifted we should have unshifted you should have unshifted they should have unshifted	I should have been unshifting you should have been unshifting she should have been unshifting we should have been unshifting you should have been unshifting they should have been unshifting

Negation

Simple form	V-ing form
I should not unshift you should not unshift she should not unshift we should not unshift you should not unshift they should not unshift	I should not be unshifting you should not be unshifting she should not be unshifting we should not be unshifting you should not be unshifting they should not be unshifting
Perfect	V-ing perfect
I should not have unshifted you should not have unshifted she should not have unshifted we should not have unshifted you should not have unshifted they should not have unshifted	I should not have been unshifting you should not have been unshifting she should not have been unshifting we should not have been unshifting you should not have been unshifting they should not have been unshifting

Interrogative form

Simple form	V-ing form
should I unshift? should you unshift? should she unshift? should we unshift? should you unshift? should they unshift?	should I be unshifting? should you be unshifting? should she be unshifting? should we be unshifting? should you be unshifting? should they be unshifting?
Perfect	V-ing perfect
should I have unshifted? should you have unshifted? should she have unshifted? should we have unshifted? should you have unshifted? should they have unshifted?	should I have been unshifting? should you have been unshifting? should she have been unshifting? should we have been unshifting? should you have been unshifting? should they have been unshifting?

Interro-negative form

Simple form	V-ing form
should I not unshift? should you not unshift? should she not unshift? should we not unshift? should you not unshift? should they not unshift?	should I not be unshifting? should you not be unshifting? should she not be unshifting? should we not be unshifting? should you not be unshifting? should they not be unshifting?
Perfect	V-ing perfect
should I not have unshifted? should you not have unshifted? should she not have unshifted? should we not have unshifted? should you not have unshifted? should they not have unshifted?	should I not have been unshifting? should you not have been unshifting? should she not have been unshifting? should we not have been unshifting? should you not have been unshifting? should they not have been unshifting?