I must bus you must bus he must bus we must bus you must bus they must bus
Forma con V-ing
I must be bussing you must be bussing he must be bussing we must be bussing you must be bussing they must be bussing
Perfetto
I must have bussed you must have bussed he must have bussed we must have bussed you must have bussed they must have bussed
Perfetto con V-ing
I must have been bussing you must have been bussing he must have been bussing we must have been bussing you must have been bussing they must have been bussing
Negazione
Forma semplice
I mustn't bus you mustn't bus he mustn't bus we mustn't bus you mustn't bus they mustn't bus
Forma con V-ing
I mustn't be bussing you mustn't be bussing he mustn't be bussing we mustn't be bussing you mustn't be bussing they mustn't be bussing
Perfetto
I mustn't have bussed you mustn't have bussed he mustn't have bussed we mustn't have bussed you mustn't have bussed they mustn't have bussed
Perfetto con V-ing
I mustn't have been bussing you mustn't have been bussing he mustn't have been bussing we mustn't have been bussing you mustn't have been bussing they mustn't have been bussing
Forma interrogativa
Forma semplice
must I bus? must you bus? must he bus? must we bus? must you bus? must they bus?
Forma con V-ing
must I be bussing? must you be bussing? must he be bussing? must we be bussing? must you be bussing? must they be bussing?
Perfetto
must I have bussed? must you have bussed? must he have bussed? must we have bussed? must you have bussed? must they have bussed?
Perfetto con V-ing
must I have been bussing? must you have been bussing? must he have been bussing? must we have been bussing? must you have been bussing? must they have been bussing?
Forma interro-negativa
Forma semplice
mustn't I bus? mustn't you bus? mustn't he bus? mustn't we bus? mustn't you bus? mustn't they bus?
Forma con V-ing
mustn't I be bussing? mustn't you be bussing? mustn't he be bussing? mustn't we be bussing? mustn't you be bussing? mustn't they be bussing?
Perfetto
mustn't I have bussed? mustn't you have bussed? mustn't he have bussed? mustn't we have bussed? mustn't you have bussed? mustn't they have bussed?
Perfetto con V-ing
mustn't I have been bussing? mustn't you have been bussing? mustn't he have been bussing? mustn't we have been bussing? mustn't you have been bussing? mustn't they have been bussing?