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