English verb conjugation
SHOULD DOUBLE

Regular verb: double - doubled - doubled

Affirmation

Simple form	V-ing form
I'd double you'd double he'd double we'd double you'd double they'd double	I'd be doubling you'd be doubling he'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 he 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 he 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 he 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 he 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 he 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 he 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 he double? should we double? should you double? should they double?	should I be doubling? should you be doubling? should he 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 he 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 he 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 he 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 he 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 he 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 he have been doubling? shouldn't we have been doubling? shouldn't you have been doubling? shouldn't they have been doubling?