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