I must harmonize you must harmonize he must harmonize we must harmonize you must harmonize they must harmonize
V-ing form
I must be harmonizing you must be harmonizing he must be harmonizing we must be harmonizing you must be harmonizing they must be harmonizing
Perfect
I must have harmonized you must have harmonized he must have harmonized we must have harmonized you must have harmonized they must have harmonized
V-ing perfect
I must have been harmonizing you must have been harmonizing he must have been harmonizing we must have been harmonizing you must have been harmonizing they must have been harmonizing
Negation
Simple form
I must not harmonize you must not harmonize he must not harmonize we must not harmonize you must not harmonize they must not harmonize
V-ing form
I must not be harmonizing you must not be harmonizing he must not be harmonizing we must not be harmonizing you must not be harmonizing they must not be harmonizing
Perfect
I must not have harmonized you must not have harmonized he must not have harmonized we must not have harmonized you must not have harmonized they must not have harmonized
V-ing perfect
I must not have been harmonizing you must not have been harmonizing he must not have been harmonizing we must not have been harmonizing you must not have been harmonizing they must not have been harmonizing
Interrogative form
Simple form
must I harmonize? must you harmonize? must he harmonize? must we harmonize? must you harmonize? must they harmonize?
V-ing form
must I be harmonizing? must you be harmonizing? must he be harmonizing? must we be harmonizing? must you be harmonizing? must they be harmonizing?
Perfect
must I have harmonized? must you have harmonized? must he have harmonized? must we have harmonized? must you have harmonized? must they have harmonized?
V-ing perfect
must I have been harmonizing? must you have been harmonizing? must he have been harmonizing? must we have been harmonizing? must you have been harmonizing? must they have been harmonizing?
Interro-negative form
Simple form
must I not harmonize? must you not harmonize? must he not harmonize? must we not harmonize? must you not harmonize? must they not harmonize?
V-ing form
must I not be harmonizing? must you not be harmonizing? must he not be harmonizing? must we not be harmonizing? must you not be harmonizing? must they not be harmonizing?
Perfect
must I not have harmonized? must you not have harmonized? must he not have harmonized? must we not have harmonized? must you not have harmonized? must they not have harmonized?
V-ing perfect
must I not have been harmonizing? must you not have been harmonizing? must he not have been harmonizing? must we not have been harmonizing? must you not have been harmonizing? must they not have been harmonizing?