I must illuviate you must illuviate he must illuviate we must illuviate you must illuviate they must illuviate
V-ing form
I must be illuviating you must be illuviating he must be illuviating we must be illuviating you must be illuviating they must be illuviating
Perfect
I must have illuviated you must have illuviated he must have illuviated we must have illuviated you must have illuviated they must have illuviated
V-ing perfect
I must have been illuviating you must have been illuviating he must have been illuviating we must have been illuviating you must have been illuviating they must have been illuviating
Negation
Simple form
I mustn't illuviate you mustn't illuviate he mustn't illuviate we mustn't illuviate you mustn't illuviate they mustn't illuviate
V-ing form
I mustn't be illuviating you mustn't be illuviating he mustn't be illuviating we mustn't be illuviating you mustn't be illuviating they mustn't be illuviating
Perfect
I mustn't have illuviated you mustn't have illuviated he mustn't have illuviated we mustn't have illuviated you mustn't have illuviated they mustn't have illuviated
V-ing perfect
I mustn't have been illuviating you mustn't have been illuviating he mustn't have been illuviating we mustn't have been illuviating you mustn't have been illuviating they mustn't have been illuviating
Interrogative form
Simple form
must I illuviate? must you illuviate? must he illuviate? must we illuviate? must you illuviate? must they illuviate?
V-ing form
must I be illuviating? must you be illuviating? must he be illuviating? must we be illuviating? must you be illuviating? must they be illuviating?
Perfect
must I have illuviated? must you have illuviated? must he have illuviated? must we have illuviated? must you have illuviated? must they have illuviated?
V-ing perfect
must I have been illuviating? must you have been illuviating? must he have been illuviating? must we have been illuviating? must you have been illuviating? must they have been illuviating?
Interro-negative form
Simple form
mustn't I illuviate? mustn't you illuviate? mustn't he illuviate? mustn't we illuviate? mustn't you illuviate? mustn't they illuviate?
V-ing form
mustn't I be illuviating? mustn't you be illuviating? mustn't he be illuviating? mustn't we be illuviating? mustn't you be illuviating? mustn't they be illuviating?
Perfect
mustn't I have illuviated? mustn't you have illuviated? mustn't he have illuviated? mustn't we have illuviated? mustn't you have illuviated? mustn't they have illuviated?
V-ing perfect
mustn't I have been illuviating? mustn't you have been illuviating? mustn't he have been illuviating? mustn't we have been illuviating? mustn't you have been illuviating? mustn't they have been illuviating?