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