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