Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must woolr you must woolr she must woolr we must woolr you must woolr they must woolr
V-ing form
I must be woolring you must be woolring she must be woolring we must be woolring you must be woolring they must be woolring
Perfect
I must have woolred you must have woolred she must have woolred we must have woolred you must have woolred they must have woolred
V-ing perfect
I must have been woolring you must have been woolring she must have been woolring we must have been woolring you must have been woolring they must have been woolring
Negation
Simple form
I mustn't woolr you mustn't woolr she mustn't woolr we mustn't woolr you mustn't woolr they mustn't woolr
V-ing form
I mustn't be woolring you mustn't be woolring she mustn't be woolring we mustn't be woolring you mustn't be woolring they mustn't be woolring
Perfect
I mustn't have woolred you mustn't have woolred she mustn't have woolred we mustn't have woolred you mustn't have woolred they mustn't have woolred
V-ing perfect
I mustn't have been woolring you mustn't have been woolring she mustn't have been woolring we mustn't have been woolring you mustn't have been woolring they mustn't have been woolring
Interrogative form
Simple form
must I woolr? must you woolr? must she woolr? must we woolr? must you woolr? must they woolr?
V-ing form
must I be woolring? must you be woolring? must she be woolring? must we be woolring? must you be woolring? must they be woolring?
Perfect
must I have woolred? must you have woolred? must she have woolred? must we have woolred? must you have woolred? must they have woolred?
V-ing perfect
must I have been woolring? must you have been woolring? must she have been woolring? must we have been woolring? must you have been woolring? must they have been woolring?
Interro-negative form
Simple form
mustn't I woolr? mustn't you woolr? mustn't she woolr? mustn't we woolr? mustn't you woolr? mustn't they woolr?
V-ing form
mustn't I be woolring? mustn't you be woolring? mustn't she be woolring? mustn't we be woolring? mustn't you be woolring? mustn't they be woolring?
Perfect
mustn't I have woolred? mustn't you have woolred? mustn't she have woolred? mustn't we have woolred? mustn't you have woolred? mustn't they have woolred?
V-ing perfect
mustn't I have been woolring? mustn't you have been woolring? mustn't she have been woolring? mustn't we have been woolring? mustn't you have been woolring? mustn't they have been woolring?