I must leave you must leave she must leave we must leave you must leave they must leave
Forma com V-ing
I must be leaving you must be leaving she must be leaving we must be leaving you must be leaving they must be leaving
Perfeito
I must have left you must have left she must have left we must have left you must have left they must have left
Perfeito com V-ing
I must have been leaving you must have been leaving she must have been leaving we must have been leaving you must have been leaving they must have been leaving
Negação
Forma simple
I mustn't leave you mustn't leave she mustn't leave we mustn't leave you mustn't leave they mustn't leave
Forma com V-ing
I mustn't be leaving you mustn't be leaving she mustn't be leaving we mustn't be leaving you mustn't be leaving they mustn't be leaving
Perfeito
I mustn't have left you mustn't have left she mustn't have left we mustn't have left you mustn't have left they mustn't have left
Perfeito com V-ing
I mustn't have been leaving you mustn't have been leaving she mustn't have been leaving we mustn't have been leaving you mustn't have been leaving they mustn't have been leaving
Forma interrogativa
Forma simple
must I leave? must you leave? must she leave? must we leave? must you leave? must they leave?
Forma com V-ing
must I be leaving? must you be leaving? must she be leaving? must we be leaving? must you be leaving? must they be leaving?
Perfeito
must I have left? must you have left? must she have left? must we have left? must you have left? must they have left?
Perfeito com V-ing
must I have been leaving? must you have been leaving? must she have been leaving? must we have been leaving? must you have been leaving? must they have been leaving?
Forma interro-Negação
Forma simple
mustn't I leave? mustn't you leave? mustn't she leave? mustn't we leave? mustn't you leave? mustn't they leave?
Forma com V-ing
mustn't I be leaving? mustn't you be leaving? mustn't she be leaving? mustn't we be leaving? mustn't you be leaving? mustn't they be leaving?
Perfeito
mustn't I have left? mustn't you have left? mustn't she have left? mustn't we have left? mustn't you have left? mustn't they have left?
Perfeito com V-ing
mustn't I have been leaving? mustn't you have been leaving? mustn't she have been leaving? mustn't we have been leaving? mustn't you have been leaving? mustn't they have been leaving?