must scrutinize
Regular verb: scrutinize - scrutinized- scrutinized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must scrutinize
you must scrutinize
he must scrutinize
we must scrutinize
you must scrutinize
they must scrutinize 	I must be scrutinizing
you must be scrutinizing
he must be scrutinizing
we must be scrutinizing
you must be scrutinizing
they must be scrutinizing	I must have scrutinized
you must have scrutinized
he must have scrutinized
we must have scrutinized
you must have scrutinized
they must have scrutinized	I must have been scrutinizing
you must have been scrutinizing
he must have been scrutinizing
we must have been scrutinizing
you must have been scrutinizing
they must have been scrutinizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't scrutinize
you mustn't scrutinize
he mustn't scrutinize
we mustn't scrutinize
you mustn't scrutinize
they mustn't scrutinize 	I mustn't be scrutinizing
you mustn't be scrutinizing
he mustn't be scrutinizing
we mustn't be scrutinizing
you mustn't be scrutinizing
they mustn't be scrutinizing	I mustn't have scrutinized
you mustn't have scrutinized
he mustn't have scrutinized
we mustn't have scrutinized
you mustn't have scrutinized
they mustn't have scrutinized	I mustn't have been scrutinizing
you mustn't have been scrutinizing
he mustn't have been scrutinizing
we mustn't have been scrutinizing
you mustn't have been scrutinizing
they mustn't have been scrutinizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I scrutinize?
must you scrutinize?
must he scrutinize?
must we scrutinize?
must you scrutinize?
must they scrutinize? 	must I be scrutinizing?
must you be scrutinizing?
must he be scrutinizing?
must we be scrutinizing?
must you be scrutinizing?
must they be scrutinizing? 	must I have scrutinized?
must you have scrutinized?
must he have scrutinized?
must we have scrutinized?
must you have scrutinized?
must they have scrutinized? 	must I have been scrutinizing?
must you have been scrutinizing?
must he have been scrutinizing?
must we have been scrutinizing?
must you have been scrutinizing?
must they have been scrutinizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I scrutinize?
mustn't you scrutinize?
mustn't he scrutinize?
mustn't we scrutinize?
mustn't you scrutinize?
mustn't they scrutinize? 	mustn't I be scrutinizing?
mustn't you be scrutinizing?
mustn't he be scrutinizing?
mustn't we be scrutinizing?
mustn't you be scrutinizing?
mustn't they be scrutinizing? 	mustn't I have scrutinized?
mustn't you have scrutinized?
mustn't he have scrutinized?
mustn't we have scrutinized?
mustn't you have scrutinized?
mustn't they have scrutinized? 	mustn't I have been scrutinizing?
mustn't you have been scrutinizing?
mustn't he have been scrutinizing?
mustn't we have been scrutinizing?
mustn't you have been scrutinizing?
mustn't they have been scrutinizing?