I must energize you must energize she must energize we must energize you must energize they must energize
V-ing form
I must be energizing you must be energizing she must be energizing we must be energizing you must be energizing they must be energizing
Perfect
I must have energized you must have energized she must have energized we must have energized you must have energized they must have energized
V-ing perfect
I must have been energizing you must have been energizing she must have been energizing we must have been energizing you must have been energizing they must have been energizing
Negation
Simple form
I mustn't energize you mustn't energize she mustn't energize we mustn't energize you mustn't energize they mustn't energize
V-ing form
I mustn't be energizing you mustn't be energizing she mustn't be energizing we mustn't be energizing you mustn't be energizing they mustn't be energizing
Perfect
I mustn't have energized you mustn't have energized she mustn't have energized we mustn't have energized you mustn't have energized they mustn't have energized
V-ing perfect
I mustn't have been energizing you mustn't have been energizing she mustn't have been energizing we mustn't have been energizing you mustn't have been energizing they mustn't have been energizing
Interrogative form
Simple form
must I energize? must you energize? must she energize? must we energize? must you energize? must they energize?
V-ing form
must I be energizing? must you be energizing? must she be energizing? must we be energizing? must you be energizing? must they be energizing?
Perfect
must I have energized? must you have energized? must she have energized? must we have energized? must you have energized? must they have energized?
V-ing perfect
must I have been energizing? must you have been energizing? must she have been energizing? must we have been energizing? must you have been energizing? must they have been energizing?
Interro-negative form
Simple form
mustn't I energize? mustn't you energize? mustn't she energize? mustn't we energize? mustn't you energize? mustn't they energize?
V-ing form
mustn't I be energizing? mustn't you be energizing? mustn't she be energizing? mustn't we be energizing? mustn't you be energizing? mustn't they be energizing?
Perfect
mustn't I have energized? mustn't you have energized? mustn't she have energized? mustn't we have energized? mustn't you have energized? mustn't they have energized?
V-ing perfect
mustn't I have been energizing? mustn't you have been energizing? mustn't she have been energizing? mustn't we have been energizing? mustn't you have been energizing? mustn't they have been energizing?