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