must euthanatize
Regular verb: euthanatize - euthanatized- euthanatized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must euthanatize
you must euthanatize
he must euthanatize
we must euthanatize
you must euthanatize
they must euthanatize 	I must be euthanatizing
you must be euthanatizing
he must be euthanatizing
we must be euthanatizing
you must be euthanatizing
they must be euthanatizing	I must have euthanatized
you must have euthanatized
he must have euthanatized
we must have euthanatized
you must have euthanatized
they must have euthanatized	I must have been euthanatizing
you must have been euthanatizing
he must have been euthanatizing
we must have been euthanatizing
you must have been euthanatizing
they must have been euthanatizing	

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

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