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 must not crane you must not crane she must not crane we must not crane you must not crane they must not crane
Forma con V-ing
I must not be craning you must not be craning she must not be craning we must not be craning you must not be craning they must not be craning
Perfecto
I must not have craned you must not have craned she must not have craned we must not have craned you must not have craned they must not have craned
Perfecto con V-ing
I must not have been craning you must not have been craning she must not have been craning we must not have been craning you must not have been craning they must not 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
must I not crane? must you not crane? must she not crane? must we not crane? must you not crane? must they not crane?
Forma con V-ing
must I not be craning? must you not be craning? must she not be craning? must we not be craning? must you not be craning? must they not be craning?
Perfecto
must I not have craned? must you not have craned? must she not have craned? must we not have craned? must you not have craned? must they not have craned?
Perfecto con V-ing
must I not have been craning? must you not have been craning? must she not have been craning? must we not have been craning? must you not have been craning? must they not have been craning?