I must crane you must crane she must crane we must crane you must crane they must crane
Forma con V-ing
I must be craning you must be craning she must be craning we must be craning you must be craning they must be craning
Perfecto
I must have craned you must have craned she must have craned we must have craned you must have craned they must have craned
Perfecto con V-ing
I must have been craning you must have been craning she must have been craning we must have been craning you must have been craning they must have been craning
Negación
Forma simple
I mustn't crane you mustn't crane she mustn't crane we mustn't crane you mustn't crane they mustn't crane
Forma con V-ing
I mustn't be craning you mustn't be craning she mustn't be craning we mustn't be craning you mustn't be craning they mustn't be craning
Perfecto
I mustn't have craned you mustn't have craned she mustn't have craned we mustn't have craned you mustn't have craned they mustn't have craned
Perfecto con V-ing
I mustn't have been craning you mustn't have been craning she mustn't have been craning we mustn't have been craning you mustn't have been craning they mustn't have been craning
Forma interrogativa
Forma simple
must I crane? must you crane? must she crane? must we crane? must you crane? must they crane?
Forma con V-ing
must I be craning? must you be craning? must she be craning? must we be craning? must you be craning? must they be craning?
Perfecto
must I have craned? must you have craned? must she have craned? must we have craned? must you have craned? must they have craned?
Perfecto con V-ing
must I have been craning? must you have been craning? must she have been craning? must we have been craning? must you have been craning? must they have been craning?
Forma interro-negativa
Forma simple
mustn't I crane? mustn't you crane? mustn't she crane? mustn't we crane? mustn't you crane? mustn't they crane?
Forma con V-ing
mustn't I be craning? mustn't you be craning? mustn't she be craning? mustn't we be craning? mustn't you be craning? mustn't they be craning?
Perfecto
mustn't I have craned? mustn't you have craned? mustn't she have craned? mustn't we have craned? mustn't you have craned? mustn't they have craned?
Perfecto con V-ing
mustn't I have been craning? mustn't you have been craning? mustn't she have been craning? mustn't we have been craning? mustn't you have been craning? mustn't they have been craning?