I must advantage you must advantage she must advantage we must advantage you must advantage they must advantage
V-ing form
I must be advantaging you must be advantaging she must be advantaging we must be advantaging you must be advantaging they must be advantaging
Perfect
I must have advantaged you must have advantaged she 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 she 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 she 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 she 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 she 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 she 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 she advantage? must we advantage? must you advantage? must they advantage?
V-ing form
must I be advantaging? must you be advantaging? must she be advantaging? must we be advantaging? must you be advantaging? must they be advantaging?
Perfect
must I have advantaged? must you have advantaged? must she 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 she 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 she 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 she 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 she 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 she have been advantaging? mustn't we have been advantaging? mustn't you have been advantaging? mustn't they have been advantaging?