could familiarize
Regular verb: familiarize - familiarized- familiarized

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

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

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

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