English verb conjugation
SHOULD DOUBLE

Regular verb: double - doubled - doubled

Affirmation

Simple form	V-ing form
I should double you should double she should double we should double you should double they should double	I should be doubling you should be doubling she should be doubling we should be doubling you should be doubling they should be doubling
Perfect	V-ing perfect
I should have doubled you should have doubled she should have doubled we should have doubled you should have doubled they should have doubled	I should have been doubling you should have been doubling she should have been doubling we should have been doubling you should have been doubling they should have been doubling

Negation

Simple form	V-ing form
I should not double you should not double she should not double we should not double you should not double they should not double	I should not be doubling you should not be doubling she should not be doubling we should not be doubling you should not be doubling they should not be doubling
Perfect	V-ing perfect
I should not have doubled you should not have doubled she should not have doubled we should not have doubled you should not have doubled they should not have doubled	I should not have been doubling you should not have been doubling she should not have been doubling we should not have been doubling you should not have been doubling they should not have been doubling

Interrogative form

Simple form	V-ing form
should I double? should you double? should she double? should we double? should you double? should they double?	should I be doubling? should you be doubling? should she be doubling? should we be doubling? should you be doubling? should they be doubling?
Perfect	V-ing perfect
should I have doubled? should you have doubled? should she have doubled? should we have doubled? should you have doubled? should they have doubled?	should I have been doubling? should you have been doubling? should she have been doubling? should we have been doubling? should you have been doubling? should they have been doubling?

Interro-negative form

Simple form	V-ing form
should I not double? should you not double? should she not double? should we not double? should you not double? should they not double?	should I not be doubling? should you not be doubling? should she not be doubling? should we not be doubling? should you not be doubling? should they not be doubling?
Perfect	V-ing perfect
should I not have doubled? should you not have doubled? should she not have doubled? should we not have doubled? should you not have doubled? should they not have doubled?	should I not have been doubling? should you not have been doubling? should she not have been doubling? should we not have been doubling? should you not have been doubling? should they not have been doubling?