I must greet you must greet he must greet we must greet you must greet they must greet
Forma con V-ing
I must be greeting you must be greeting he must be greeting we must be greeting you must be greeting they must be greeting
Perfecto
I must have greeted you must have greeted he must have greeted we must have greeted you must have greeted they must have greeted
Perfecto con V-ing
I must have been greeting you must have been greeting he must have been greeting we must have been greeting you must have been greeting they must have been greeting
Negación
Forma simple
I mustn't greet you mustn't greet he mustn't greet we mustn't greet you mustn't greet they mustn't greet
Forma con V-ing
I mustn't be greeting you mustn't be greeting he mustn't be greeting we mustn't be greeting you mustn't be greeting they mustn't be greeting
Perfecto
I mustn't have greeted you mustn't have greeted he mustn't have greeted we mustn't have greeted you mustn't have greeted they mustn't have greeted
Perfecto con V-ing
I mustn't have been greeting you mustn't have been greeting he mustn't have been greeting we mustn't have been greeting you mustn't have been greeting they mustn't have been greeting
Forma interrogativa
Forma simple
must I greet? must you greet? must he greet? must we greet? must you greet? must they greet?
Forma con V-ing
must I be greeting? must you be greeting? must he be greeting? must we be greeting? must you be greeting? must they be greeting?
Perfecto
must I have greeted? must you have greeted? must he have greeted? must we have greeted? must you have greeted? must they have greeted?
Perfecto con V-ing
must I have been greeting? must you have been greeting? must he have been greeting? must we have been greeting? must you have been greeting? must they have been greeting?
Forma interro-negativa
Forma simple
mustn't I greet? mustn't you greet? mustn't he greet? mustn't we greet? mustn't you greet? mustn't they greet?
Forma con V-ing
mustn't I be greeting? mustn't you be greeting? mustn't he be greeting? mustn't we be greeting? mustn't you be greeting? mustn't they be greeting?
Perfecto
mustn't I have greeted? mustn't you have greeted? mustn't he have greeted? mustn't we have greeted? mustn't you have greeted? mustn't they have greeted?
Perfecto con V-ing
mustn't I have been greeting? mustn't you have been greeting? mustn't he have been greeting? mustn't we have been greeting? mustn't you have been greeting? mustn't they have been greeting?