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