I must appoint you must appoint she must appoint we must appoint you must appoint they must appoint
V-ing form
I must be appointing you must be appointing she must be appointing we must be appointing you must be appointing they must be appointing
Perfect
I must have appointed you must have appointed she must have appointed we must have appointed you must have appointed they must have appointed
V-ing perfect
I must have been appointing you must have been appointing she must have been appointing we must have been appointing you must have been appointing they must have been appointing
Negation
Simple form
I mustn't appoint you mustn't appoint she mustn't appoint we mustn't appoint you mustn't appoint they mustn't appoint
V-ing form
I mustn't be appointing you mustn't be appointing she mustn't be appointing we mustn't be appointing you mustn't be appointing they mustn't be appointing
Perfect
I mustn't have appointed you mustn't have appointed she mustn't have appointed we mustn't have appointed you mustn't have appointed they mustn't have appointed
V-ing perfect
I mustn't have been appointing you mustn't have been appointing she mustn't have been appointing we mustn't have been appointing you mustn't have been appointing they mustn't have been appointing
Interrogative form
Simple form
must I appoint? must you appoint? must she appoint? must we appoint? must you appoint? must they appoint?
V-ing form
must I be appointing? must you be appointing? must she be appointing? must we be appointing? must you be appointing? must they be appointing?
Perfect
must I have appointed? must you have appointed? must she have appointed? must we have appointed? must you have appointed? must they have appointed?
V-ing perfect
must I have been appointing? must you have been appointing? must she have been appointing? must we have been appointing? must you have been appointing? must they have been appointing?
Interro-negative form
Simple form
mustn't I appoint? mustn't you appoint? mustn't she appoint? mustn't we appoint? mustn't you appoint? mustn't they appoint?
V-ing form
mustn't I be appointing? mustn't you be appointing? mustn't she be appointing? mustn't we be appointing? mustn't you be appointing? mustn't they be appointing?
Perfect
mustn't I have appointed? mustn't you have appointed? mustn't she have appointed? mustn't we have appointed? mustn't you have appointed? mustn't they have appointed?
V-ing perfect
mustn't I have been appointing? mustn't you have been appointing? mustn't she have been appointing? mustn't we have been appointing? mustn't you have been appointing? mustn't they have been appointing?