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