I must classicise you must classicise he must classicise we must classicise you must classicise they must classicise
V-ing form
I must be classicising you must be classicising he must be classicising we must be classicising you must be classicising they must be classicising
Perfect
I must have classicised you must have classicised he must have classicised we must have classicised you must have classicised they must have classicised
V-ing perfect
I must have been classicising you must have been classicising he must have been classicising we must have been classicising you must have been classicising they must have been classicising
Negation
Simple form
I must not classicise you must not classicise he must not classicise we must not classicise you must not classicise they must not classicise
V-ing form
I must not be classicising you must not be classicising he must not be classicising we must not be classicising you must not be classicising they must not be classicising
Perfect
I must not have classicised you must not have classicised he must not have classicised we must not have classicised you must not have classicised they must not have classicised
V-ing perfect
I must not have been classicising you must not have been classicising he must not have been classicising we must not have been classicising you must not have been classicising they must not have been classicising
Interrogative form
Simple form
must I classicise? must you classicise? must he classicise? must we classicise? must you classicise? must they classicise?
V-ing form
must I be classicising? must you be classicising? must he be classicising? must we be classicising? must you be classicising? must they be classicising?
Perfect
must I have classicised? must you have classicised? must he have classicised? must we have classicised? must you have classicised? must they have classicised?
V-ing perfect
must I have been classicising? must you have been classicising? must he have been classicising? must we have been classicising? must you have been classicising? must they have been classicising?
Interro-negative form
Simple form
must I not classicise? must you not classicise? must he not classicise? must we not classicise? must you not classicise? must they not classicise?
V-ing form
must I not be classicising? must you not be classicising? must he not be classicising? must we not be classicising? must you not be classicising? must they not be classicising?
Perfect
must I not have classicised? must you not have classicised? must he not have classicised? must we not have classicised? must you not have classicised? must they not have classicised?
V-ing perfect
must I not have been classicising? must you not have been classicising? must he not have been classicising? must we not have been classicising? must you not have been classicising? must they not have been classicising?