must familiarise
Regular verb: familiarise - familiarised- familiarised

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

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

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

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