I must metalise you must metalise he must metalise we must metalise you must metalise they must metalise
V-ing form
I must be metalising you must be metalising he must be metalising we must be metalising you must be metalising they must be metalising
Perfect
I must have metalised you must have metalised he must have metalised we must have metalised you must have metalised they must have metalised
V-ing perfect
I must have been metalising you must have been metalising he must have been metalising we must have been metalising you must have been metalising they must have been metalising
Negation
Simple form
I must not metalise you must not metalise he must not metalise we must not metalise you must not metalise they must not metalise
V-ing form
I must not be metalising you must not be metalising he must not be metalising we must not be metalising you must not be metalising they must not be metalising
Perfect
I must not have metalised you must not have metalised he must not have metalised we must not have metalised you must not have metalised they must not have metalised
V-ing perfect
I must not have been metalising you must not have been metalising he must not have been metalising we must not have been metalising you must not have been metalising they must not have been metalising
Interrogative form
Simple form
must I metalise? must you metalise? must he metalise? must we metalise? must you metalise? must they metalise?
V-ing form
must I be metalising? must you be metalising? must he be metalising? must we be metalising? must you be metalising? must they be metalising?
Perfect
must I have metalised? must you have metalised? must he have metalised? must we have metalised? must you have metalised? must they have metalised?
V-ing perfect
must I have been metalising? must you have been metalising? must he have been metalising? must we have been metalising? must you have been metalising? must they have been metalising?
Interro-negative form
Simple form
must I not metalise? must you not metalise? must he not metalise? must we not metalise? must you not metalise? must they not metalise?
V-ing form
must I not be metalising? must you not be metalising? must he not be metalising? must we not be metalising? must you not be metalising? must they not be metalising?
Perfect
must I not have metalised? must you not have metalised? must he not have metalised? must we not have metalised? must you not have metalised? must they not have metalised?
V-ing perfect
must I not have been metalising? must you not have been metalising? must he not have been metalising? must we not have been metalising? must you not have been metalising? must they not have been metalising?