English verb conjugation
SHOULD SHAM

Regular verb: sham - shammed - shammed

Affirmation

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

Negation

Simple form	V-ing form
I should not sham you should not sham he should not sham we should not sham you should not sham they should not sham	I should not be shamming you should not be shamming he should not be shamming we should not be shamming you should not be shamming they should not be shamming
Perfect	V-ing perfect
I should not have shammed you should not have shammed he should not have shammed we should not have shammed you should not have shammed they should not have shammed	I should not have been shamming you should not have been shamming he should not have been shamming we should not have been shamming you should not have been shamming they should not 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
should I not sham? should you not sham? should he not sham? should we not sham? should you not sham? should they not sham?	should I not be shamming? should you not be shamming? should he not be shamming? should we not be shamming? should you not be shamming? should they not be shamming?
Perfect	V-ing perfect
should I not have shammed? should you not have shammed? should he not have shammed? should we not have shammed? should you not have shammed? should they not have shammed?	should I not have been shamming? should you not have been shamming? should he not have been shamming? should we not have been shamming? should you not have been shamming? should they not have been shamming?