English verb conjugation
MUST MAMBO

Regular verb: mambo - mamboed - mamboed

Affirmation

Simple form	V-ing form
I must mambo you must mambo she must mambo we must mambo you must mambo they must mambo	I must be mamboing you must be mamboing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she mambo? must we mambo? must you mambo? must they mambo?	must I be mamboing? must you be mamboing? must she 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 she 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 she 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 she 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 she 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 she 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 she have been mamboing? mustn't we have been mamboing? mustn't you have been mamboing? mustn't they have been mamboing?