I must lean you must lean he must lean we must lean you must lean they must lean
Forma con V-ing
I must be leaning you must be leaning he must be leaning we must be leaning you must be leaning they must be leaning
Perfecto
I must have leaned you must have leaned he must have leaned we must have leaned you must have leaned they must have leaned
Perfecto con V-ing
I must have been leaning you must have been leaning he must have been leaning we must have been leaning you must have been leaning they must have been leaning
Negación
Forma simple
I must not lean you must not lean he must not lean we must not lean you must not lean they must not lean
Forma con V-ing
I must not be leaning you must not be leaning he must not be leaning we must not be leaning you must not be leaning they must not be leaning
Perfecto
I must not have leaned you must not have leaned he must not have leaned we must not have leaned you must not have leaned they must not have leaned
Perfecto con V-ing
I must not have been leaning you must not have been leaning he must not have been leaning we must not have been leaning you must not have been leaning they must not have been leaning
Forma interrogativa
Forma simple
must I lean? must you lean? must he lean? must we lean? must you lean? must they lean?
Forma con V-ing
must I be leaning? must you be leaning? must he be leaning? must we be leaning? must you be leaning? must they be leaning?
Perfecto
must I have leaned? must you have leaned? must he have leaned? must we have leaned? must you have leaned? must they have leaned?
Perfecto con V-ing
must I have been leaning? must you have been leaning? must he have been leaning? must we have been leaning? must you have been leaning? must they have been leaning?
Forma interro-negativa
Forma simple
must I not lean? must you not lean? must he not lean? must we not lean? must you not lean? must they not lean?
Forma con V-ing
must I not be leaning? must you not be leaning? must he not be leaning? must we not be leaning? must you not be leaning? must they not be leaning?
Perfecto
must I not have leaned? must you not have leaned? must he not have leaned? must we not have leaned? must you not have leaned? must they not have leaned?
Perfecto con V-ing
must I not have been leaning? must you not have been leaning? must he not have been leaning? must we not have been leaning? must you not have been leaning? must they not have been leaning?