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