English verb conjugation
SHOULD COAL

Regular verb: coal - coaled - coaled

Affirmation

Simple form	V-ing form
I'd coal you'd coal she'd coal we'd coal you'd coal they'd coal	I'd be coaling you'd be coaling she'd be coaling we'd be coaling you'd be coaling they'd be coaling
Perfect	V-ing perfect
I should've coaled you should've coaled she should've coaled we should've coaled you should've coaled they should've coaled	I should've been coaling you should've been coaling she should've been coaling we should've been coaling you should've been coaling they should've been coaling

Negation

Simple form	V-ing form
I shouldn't coal you shouldn't coal she shouldn't coal we shouldn't coal you shouldn't coal they shouldn't coal	I shouldn't be coaling you shouldn't be coaling she shouldn't be coaling we shouldn't be coaling you shouldn't be coaling they shouldn't be coaling
Perfect	V-ing perfect
I shouldn't have coaled you shouldn't have coaled she shouldn't have coaled we shouldn't have coaled you shouldn't have coaled they shouldn't have coaled	I shouldn't have been coaling you shouldn't have been coaling she shouldn't have been coaling we shouldn't have been coaling you shouldn't have been coaling they shouldn't have been coaling

Interrogative form

Simple form	V-ing form
should I coal? should you coal? should she coal? should we coal? should you coal? should they coal?	should I be coaling? should you be coaling? should she be coaling? should we be coaling? should you be coaling? should they be coaling?
Perfect	V-ing perfect
should I have coaled? should you have coaled? should she have coaled? should we have coaled? should you have coaled? should they have coaled?	should I have been coaling? should you have been coaling? should she have been coaling? should we have been coaling? should you have been coaling? should they have been coaling?

Interro-negative form

Simple form	V-ing form
shouldn't I coal? shouldn't you coal? shouldn't she coal? shouldn't we coal? shouldn't you coal? shouldn't they coal?	shouldn't I be coaling? shouldn't you be coaling? shouldn't she be coaling? shouldn't we be coaling? shouldn't you be coaling? shouldn't they be coaling?
Perfect	V-ing perfect
shouldn't I have coaled? shouldn't you have coaled? shouldn't she have coaled? shouldn't we have coaled? shouldn't you have coaled? shouldn't they have coaled?	shouldn't I have been coaling? shouldn't you have been coaling? shouldn't she have been coaling? shouldn't we have been coaling? shouldn't you have been coaling? shouldn't they have been coaling?