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