I should contravene you should contravene he should contravene we should contravene you should contravene they should contravene
V-ing form
I should be contravening you should be contravening he should be contravening we should be contravening you should be contravening they should be contravening
Perfect
I should have contravened you should have contravened he should have contravened we should have contravened you should have contravened they should have contravened
V-ing perfect
I should have been contravening you should have been contravening he should have been contravening we should have been contravening you should have been contravening they should have been contravening
Negation
Simple form
I should not contravene you should not contravene he should not contravene we should not contravene you should not contravene they should not contravene
V-ing form
I should not be contravening you should not be contravening he should not be contravening we should not be contravening you should not be contravening they should not be contravening
Perfect
I should not have contravened you should not have contravened he should not have contravened we should not have contravened you should not have contravened they should not have contravened
V-ing perfect
I should not have been contravening you should not have been contravening he should not have been contravening we should not have been contravening you should not have been contravening they should not have been contravening
Interrogative form
Simple form
should I contravene? should you contravene? should he contravene? should we contravene? should you contravene? should they contravene?
V-ing form
should I be contravening? should you be contravening? should he be contravening? should we be contravening? should you be contravening? should they be contravening?
Perfect
should I have contravened? should you have contravened? should he have contravened? should we have contravened? should you have contravened? should they have contravened?
V-ing perfect
should I have been contravening? should you have been contravening? should he have been contravening? should we have been contravening? should you have been contravening? should they have been contravening?
Interro-negative form
Simple form
should I not contravene? should you not contravene? should he not contravene? should we not contravene? should you not contravene? should they not contravene?
V-ing form
should I not be contravening? should you not be contravening? should he not be contravening? should we not be contravening? should you not be contravening? should they not be contravening?
Perfect
should I not have contravened? should you not have contravened? should he not have contravened? should we not have contravened? should you not have contravened? should they not have contravened?
V-ing perfect
should I not have been contravening? should you not have been contravening? should he not have been contravening? should we not have been contravening? should you not have been contravening? should they not have been contravening?