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