English verb conjugation
SHOULD SHAM

Regular verb: sham - shammed - shammed

Affirmation

Simple form	V-ing form
I'd sham you'd sham he'd sham we'd sham you'd sham they'd sham	I'd be shamming you'd be shamming he'd be shamming we'd be shamming you'd be shamming they'd be shamming
Perfect	V-ing perfect
I should've shammed you should've shammed he should've shammed we should've shammed you should've shammed they should've shammed	I should've been shamming you should've been shamming he should've been shamming we should've been shamming you should've been shamming they should've been shamming

Negation

Simple form	V-ing form
I shouldn't sham you shouldn't sham he shouldn't sham we shouldn't sham you shouldn't sham they shouldn't sham	I shouldn't be shamming you shouldn't be shamming he shouldn't be shamming we shouldn't be shamming you shouldn't be shamming they shouldn't be shamming
Perfect	V-ing perfect
I shouldn't have shammed you shouldn't have shammed he shouldn't have shammed we shouldn't have shammed you shouldn't have shammed they shouldn't have shammed	I shouldn't have been shamming you shouldn't have been shamming he shouldn't have been shamming we shouldn't have been shamming you shouldn't have been shamming they shouldn't have been shamming

Interrogative form

Simple form	V-ing form
should I sham? should you sham? should he sham? should we sham? should you sham? should they sham?	should I be shamming? should you be shamming? should he be shamming? should we be shamming? should you be shamming? should they be shamming?
Perfect	V-ing perfect
should I have shammed? should you have shammed? should he have shammed? should we have shammed? should you have shammed? should they have shammed?	should I have been shamming? should you have been shamming? should he have been shamming? should we have been shamming? should you have been shamming? should they have been shamming?

Interro-negative form

Simple form	V-ing form
shouldn't I sham? shouldn't you sham? shouldn't he sham? shouldn't we sham? shouldn't you sham? shouldn't they sham?	shouldn't I be shamming? shouldn't you be shamming? shouldn't he be shamming? shouldn't we be shamming? shouldn't you be shamming? shouldn't they be shamming?
Perfect	V-ing perfect
shouldn't I have shammed? shouldn't you have shammed? shouldn't he have shammed? shouldn't we have shammed? shouldn't you have shammed? shouldn't they have shammed?	shouldn't I have been shamming? shouldn't you have been shamming? shouldn't he have been shamming? shouldn't we have been shamming? shouldn't you have been shamming? shouldn't they have been shamming?