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