could familiarise
Regular verb: familiarise - familiarised- familiarised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could familiarise
you could familiarise
he could familiarise
we could familiarise
you could familiarise
they could familiarise 	I could be familiarising
you could be familiarising
he could be familiarising
we could be familiarising
you could be familiarising
they could be familiarising	I could have familiarised
you could have familiarised
he could have familiarised
we could have familiarised
you could have familiarised
they could have familiarised	I could have been familiarising
you could have been familiarising
he could have been familiarising
we could have been familiarising
you could have been familiarising
they could have been familiarising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not familiarise
you could not familiarise
he could not familiarise
we could not familiarise
you could not familiarise
they could not familiarise 	I could not be familiarising
you could not be familiarising
he could not be familiarising
we could not be familiarising
you could not be familiarising
they could not be familiarising	I could not have familiarised
you could not have familiarised
he could not have familiarised
we could not have familiarised
you could not have familiarised
they could not have familiarised	I could not have been familiarising
you could not have been familiarising
he could not have been familiarising
we could not have been familiarising
you could not have been familiarising
they could not have been familiarising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I familiarise?
could you familiarise?
could he familiarise?
could we familiarise?
could you familiarise?
could they familiarise? 	could I be familiarising?
could you be familiarising?
could he be familiarising?
could we be familiarising?
could you be familiarising?
could they be familiarising? 	could I have familiarised?
could you have familiarised?
could he have familiarised?
could we have familiarised?
could you have familiarised?
could they have familiarised? 	could I have been familiarising?
could you have been familiarising?
could he have been familiarising?
could we have been familiarising?
could you have been familiarising?
could they have been familiarising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not familiarise?
could you not familiarise?
could he not familiarise?
could we not familiarise?
could you not familiarise?
could they not familiarise? 	could I not be familiarising?
could you not be familiarising?
could he not be familiarising?
could we not be familiarising?
could you not be familiarising?
could they not be familiarising? 	could I not have familiarised?
could you not have familiarised?
could he not have familiarised?
could we not have familiarised?
could you not have familiarised?
could they not have familiarised? 	could I not have been familiarising?
could you not have been familiarising?
could he not have been familiarising?
could we not have been familiarising?
could you not have been familiarising?
could they not have been familiarising?