English verb conjugation
SHOULD SELL

Irregular verb: sell - sold - sold

Affirmation

Simple form	V-ing form
I'd sell you'd sell he'd sell we'd sell you'd sell they'd sell	I'd be selling you'd be selling he'd be selling we'd be selling you'd be selling they'd be selling
Perfect	V-ing perfect
I should've sold you should've sold he should've sold we should've sold you should've sold they should've sold	I should've been selling you should've been selling he should've been selling we should've been selling you should've been selling they should've been selling

Negation

Simple form	V-ing form
I shouldn't sell you shouldn't sell he shouldn't sell we shouldn't sell you shouldn't sell they shouldn't sell	I shouldn't be selling you shouldn't be selling he shouldn't be selling we shouldn't be selling you shouldn't be selling they shouldn't be selling
Perfect	V-ing perfect
I shouldn't have sold you shouldn't have sold he shouldn't have sold we shouldn't have sold you shouldn't have sold they shouldn't have sold	I shouldn't have been selling you shouldn't have been selling he shouldn't have been selling we shouldn't have been selling you shouldn't have been selling they shouldn't have been selling

Interrogative form

Simple form	V-ing form
should I sell? should you sell? should he sell? should we sell? should you sell? should they sell?	should I be selling? should you be selling? should he be selling? should we be selling? should you be selling? should they be selling?
Perfect	V-ing perfect
should I have sold? should you have sold? should he have sold? should we have sold? should you have sold? should they have sold?	should I have been selling? should you have been selling? should he have been selling? should we have been selling? should you have been selling? should they have been selling?

Interro-negative form

Simple form	V-ing form
shouldn't I sell? shouldn't you sell? shouldn't he sell? shouldn't we sell? shouldn't you sell? shouldn't they sell?	shouldn't I be selling? shouldn't you be selling? shouldn't he be selling? shouldn't we be selling? shouldn't you be selling? shouldn't they be selling?
Perfect	V-ing perfect
shouldn't I have sold? shouldn't you have sold? shouldn't he have sold? shouldn't we have sold? shouldn't you have sold? shouldn't they have sold?	shouldn't I have been selling? shouldn't you have been selling? shouldn't he have been selling? shouldn't we have been selling? shouldn't you have been selling? shouldn't they have been selling?