must familiarize
Regular verb: familiarize - familiarized- familiarized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must familiarize
you must familiarize
he must familiarize
we must familiarize
you must familiarize
they must familiarize 	I must be familiarizing
you must be familiarizing
he must be familiarizing
we must be familiarizing
you must be familiarizing
they must be familiarizing	I must have familiarized
you must have familiarized
he must have familiarized
we must have familiarized
you must have familiarized
they must have familiarized	I must have been familiarizing
you must have been familiarizing
he must have been familiarizing
we must have been familiarizing
you must have been familiarizing
they must have been familiarizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't familiarize
you mustn't familiarize
he mustn't familiarize
we mustn't familiarize
you mustn't familiarize
they mustn't familiarize 	I mustn't be familiarizing
you mustn't be familiarizing
he mustn't be familiarizing
we mustn't be familiarizing
you mustn't be familiarizing
they mustn't be familiarizing	I mustn't have familiarized
you mustn't have familiarized
he mustn't have familiarized
we mustn't have familiarized
you mustn't have familiarized
they mustn't have familiarized	I mustn't have been familiarizing
you mustn't have been familiarizing
he mustn't have been familiarizing
we mustn't have been familiarizing
you mustn't have been familiarizing
they mustn't have been familiarizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I familiarize?
must you familiarize?
must he familiarize?
must we familiarize?
must you familiarize?
must they familiarize? 	must I be familiarizing?
must you be familiarizing?
must he be familiarizing?
must we be familiarizing?
must you be familiarizing?
must they be familiarizing? 	must I have familiarized?
must you have familiarized?
must he have familiarized?
must we have familiarized?
must you have familiarized?
must they have familiarized? 	must I have been familiarizing?
must you have been familiarizing?
must he have been familiarizing?
must we have been familiarizing?
must you have been familiarizing?
must they have been familiarizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I familiarize?
mustn't you familiarize?
mustn't he familiarize?
mustn't we familiarize?
mustn't you familiarize?
mustn't they familiarize? 	mustn't I be familiarizing?
mustn't you be familiarizing?
mustn't he be familiarizing?
mustn't we be familiarizing?
mustn't you be familiarizing?
mustn't they be familiarizing? 	mustn't I have familiarized?
mustn't you have familiarized?
mustn't he have familiarized?
mustn't we have familiarized?
mustn't you have familiarized?
mustn't they have familiarized? 	mustn't I have been familiarizing?
mustn't you have been familiarizing?
mustn't he have been familiarizing?
mustn't we have been familiarizing?
mustn't you have been familiarizing?
mustn't they have been familiarizing?