English verb conjugation
MUST MAMBO

Regular verb: mambo - mamboed - mamboed

Affirmation

Simple form	V-ing form
I must mambo you must mambo he must mambo we must mambo you must mambo they must mambo	I must be mamboing you must be mamboing he must be mamboing we must be mamboing you must be mamboing they must be mamboing
Perfect	V-ing perfect
I must have mamboed you must have mamboed he must have mamboed we must have mamboed you must have mamboed they must have mamboed	I must have been mamboing you must have been mamboing he must have been mamboing we must have been mamboing you must have been mamboing they must have been mamboing

Negation

Simple form	V-ing form
I mustn't mambo you mustn't mambo he mustn't mambo we mustn't mambo you mustn't mambo they mustn't mambo	I mustn't be mamboing you mustn't be mamboing he mustn't be mamboing we mustn't be mamboing you mustn't be mamboing they mustn't be mamboing
Perfect	V-ing perfect
I mustn't have mamboed you mustn't have mamboed he mustn't have mamboed we mustn't have mamboed you mustn't have mamboed they mustn't have mamboed	I mustn't have been mamboing you mustn't have been mamboing he mustn't have been mamboing we mustn't have been mamboing you mustn't have been mamboing they mustn't have been mamboing

Interrogative form

Simple form	V-ing form
must I mambo? must you mambo? must he mambo? must we mambo? must you mambo? must they mambo?	must I be mamboing? must you be mamboing? must he be mamboing? must we be mamboing? must you be mamboing? must they be mamboing?
Perfect	V-ing perfect
must I have mamboed? must you have mamboed? must he have mamboed? must we have mamboed? must you have mamboed? must they have mamboed?	must I have been mamboing? must you have been mamboing? must he have been mamboing? must we have been mamboing? must you have been mamboing? must they have been mamboing?

Interro-negative form

Simple form	V-ing form
mustn't I mambo? mustn't you mambo? mustn't he mambo? mustn't we mambo? mustn't you mambo? mustn't they mambo?	mustn't I be mamboing? mustn't you be mamboing? mustn't he be mamboing? mustn't we be mamboing? mustn't you be mamboing? mustn't they be mamboing?
Perfect	V-ing perfect
mustn't I have mamboed? mustn't you have mamboed? mustn't he have mamboed? mustn't we have mamboed? mustn't you have mamboed? mustn't they have mamboed?	mustn't I have been mamboing? mustn't you have been mamboing? mustn't he have been mamboing? mustn't we have been mamboing? mustn't you have been mamboing? mustn't they have been mamboing?