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