English verb conjugation
SHOULD DOUBLE

Regular verb: double - doubled - doubled

Affirmation

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

Negation

Simple form	V-ing form
I shouldn't double you shouldn't double she shouldn't double we shouldn't double you shouldn't double they shouldn't double	I shouldn't be doubling you shouldn't be doubling she shouldn't be doubling we shouldn't be doubling you shouldn't be doubling they shouldn't be doubling
Perfect	V-ing perfect
I shouldn't have doubled you shouldn't have doubled she shouldn't have doubled we shouldn't have doubled you shouldn't have doubled they shouldn't have doubled	I shouldn't have been doubling you shouldn't have been doubling she shouldn't have been doubling we shouldn't have been doubling you shouldn't have been doubling they shouldn't 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
shouldn't I double? shouldn't you double? shouldn't she double? shouldn't we double? shouldn't you double? shouldn't they double?	shouldn't I be doubling? shouldn't you be doubling? shouldn't she be doubling? shouldn't we be doubling? shouldn't you be doubling? shouldn't they be doubling?
Perfect	V-ing perfect
shouldn't I have doubled? shouldn't you have doubled? shouldn't she have doubled? shouldn't we have doubled? shouldn't you have doubled? shouldn't they have doubled?	shouldn't I have been doubling? shouldn't you have been doubling? shouldn't she have been doubling? shouldn't we have been doubling? shouldn't you have been doubling? shouldn't they have been doubling?