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 mustn't harmonize you mustn't harmonize he mustn't harmonize we mustn't harmonize you mustn't harmonize they mustn't harmonize
V-ing form
I mustn't be harmonizing you mustn't be harmonizing he mustn't be harmonizing we mustn't be harmonizing you mustn't be harmonizing they mustn't be harmonizing
Perfect
I mustn't have harmonized you mustn't have harmonized he mustn't have harmonized we mustn't have harmonized you mustn't have harmonized they mustn't have harmonized
V-ing perfect
I mustn't have been harmonizing you mustn't have been harmonizing he mustn't have been harmonizing we mustn't have been harmonizing you mustn't have been harmonizing they mustn't 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
mustn't I harmonize? mustn't you harmonize? mustn't he harmonize? mustn't we harmonize? mustn't you harmonize? mustn't they harmonize?
V-ing form
mustn't I be harmonizing? mustn't you be harmonizing? mustn't he be harmonizing? mustn't we be harmonizing? mustn't you be harmonizing? mustn't they be harmonizing?
Perfect
mustn't I have harmonized? mustn't you have harmonized? mustn't he have harmonized? mustn't we have harmonized? mustn't you have harmonized? mustn't they have harmonized?
V-ing perfect
mustn't I have been harmonizing? mustn't you have been harmonizing? mustn't he have been harmonizing? mustn't we have been harmonizing? mustn't you have been harmonizing? mustn't they have been harmonizing?