I must behave you must behave she must behave we must behave you must behave they must behave
Forma con V-ing
I must be behaving you must be behaving she must be behaving we must be behaving you must be behaving they must be behaving
Perfetto
I must have behaved you must have behaved she must have behaved we must have behaved you must have behaved they must have behaved
Perfetto con V-ing
I must have been behaving you must have been behaving she must have been behaving we must have been behaving you must have been behaving they must have been behaving
Negazione
Forma semplice
I mustn't behave you mustn't behave she mustn't behave we mustn't behave you mustn't behave they mustn't behave
Forma con V-ing
I mustn't be behaving you mustn't be behaving she mustn't be behaving we mustn't be behaving you mustn't be behaving they mustn't be behaving
Perfetto
I mustn't have behaved you mustn't have behaved she mustn't have behaved we mustn't have behaved you mustn't have behaved they mustn't have behaved
Perfetto con V-ing
I mustn't have been behaving you mustn't have been behaving she mustn't have been behaving we mustn't have been behaving you mustn't have been behaving they mustn't have been behaving
Forma interrogativa
Forma semplice
must I behave? must you behave? must she behave? must we behave? must you behave? must they behave?
Forma con V-ing
must I be behaving? must you be behaving? must she be behaving? must we be behaving? must you be behaving? must they be behaving?
Perfetto
must I have behaved? must you have behaved? must she have behaved? must we have behaved? must you have behaved? must they have behaved?
Perfetto con V-ing
must I have been behaving? must you have been behaving? must she have been behaving? must we have been behaving? must you have been behaving? must they have been behaving?
Forma interro-negativa
Forma semplice
mustn't I behave? mustn't you behave? mustn't she behave? mustn't we behave? mustn't you behave? mustn't they behave?
Forma con V-ing
mustn't I be behaving? mustn't you be behaving? mustn't she be behaving? mustn't we be behaving? mustn't you be behaving? mustn't they be behaving?
Perfetto
mustn't I have behaved? mustn't you have behaved? mustn't she have behaved? mustn't we have behaved? mustn't you have behaved? mustn't they have behaved?
Perfetto con V-ing
mustn't I have been behaving? mustn't you have been behaving? mustn't she have been behaving? mustn't we have been behaving? mustn't you have been behaving? mustn't they have been behaving?