English verb conjugation
SHOULD DECK

Regular verb: deck - decked - decked

Affirmation

Simple form	V-ing form
I'd deck you'd deck he'd deck we'd deck you'd deck they'd deck	I'd be decking you'd be decking he'd be decking we'd be decking you'd be decking they'd be decking
Perfect	V-ing perfect
I should've decked you should've decked he should've decked we should've decked you should've decked they should've decked	I should've been decking you should've been decking he should've been decking we should've been decking you should've been decking they should've been decking

Negation

Simple form	V-ing form
I shouldn't deck you shouldn't deck he shouldn't deck we shouldn't deck you shouldn't deck they shouldn't deck	I shouldn't be decking you shouldn't be decking he shouldn't be decking we shouldn't be decking you shouldn't be decking they shouldn't be decking
Perfect	V-ing perfect
I shouldn't have decked you shouldn't have decked he shouldn't have decked we shouldn't have decked you shouldn't have decked they shouldn't have decked	I shouldn't have been decking you shouldn't have been decking he shouldn't have been decking we shouldn't have been decking you shouldn't have been decking they shouldn't have been decking

Interrogative form

Simple form	V-ing form
should I deck? should you deck? should he deck? should we deck? should you deck? should they deck?	should I be decking? should you be decking? should he be decking? should we be decking? should you be decking? should they be decking?
Perfect	V-ing perfect
should I have decked? should you have decked? should he have decked? should we have decked? should you have decked? should they have decked?	should I have been decking? should you have been decking? should he have been decking? should we have been decking? should you have been decking? should they have been decking?

Interro-negative form

Simple form	V-ing form
shouldn't I deck? shouldn't you deck? shouldn't he deck? shouldn't we deck? shouldn't you deck? shouldn't they deck?	shouldn't I be decking? shouldn't you be decking? shouldn't he be decking? shouldn't we be decking? shouldn't you be decking? shouldn't they be decking?
Perfect	V-ing perfect
shouldn't I have decked? shouldn't you have decked? shouldn't he have decked? shouldn't we have decked? shouldn't you have decked? shouldn't they have decked?	shouldn't I have been decking? shouldn't you have been decking? shouldn't he have been decking? shouldn't we have been decking? shouldn't you have been decking? shouldn't they have been decking?