I must lift you must lift he must lift we must lift you must lift they must lift
Forma con V-ing
I must be lifting you must be lifting he must be lifting we must be lifting you must be lifting they must be lifting
Perfecto
I must have lifted you must have lifted he must have lifted we must have lifted you must have lifted they must have lifted
Perfecto con V-ing
I must have been lifting you must have been lifting he must have been lifting we must have been lifting you must have been lifting they must have been lifting
Negación
Forma simple
I mustn't lift you mustn't lift he mustn't lift we mustn't lift you mustn't lift they mustn't lift
Forma con V-ing
I mustn't be lifting you mustn't be lifting he mustn't be lifting we mustn't be lifting you mustn't be lifting they mustn't be lifting
Perfecto
I mustn't have lifted you mustn't have lifted he mustn't have lifted we mustn't have lifted you mustn't have lifted they mustn't have lifted
Perfecto con V-ing
I mustn't have been lifting you mustn't have been lifting he mustn't have been lifting we mustn't have been lifting you mustn't have been lifting they mustn't have been lifting
Forma interrogativa
Forma simple
must I lift? must you lift? must he lift? must we lift? must you lift? must they lift?
Forma con V-ing
must I be lifting? must you be lifting? must he be lifting? must we be lifting? must you be lifting? must they be lifting?
Perfecto
must I have lifted? must you have lifted? must he have lifted? must we have lifted? must you have lifted? must they have lifted?
Perfecto con V-ing
must I have been lifting? must you have been lifting? must he have been lifting? must we have been lifting? must you have been lifting? must they have been lifting?
Forma interro-negativa
Forma simple
mustn't I lift? mustn't you lift? mustn't he lift? mustn't we lift? mustn't you lift? mustn't they lift?
Forma con V-ing
mustn't I be lifting? mustn't you be lifting? mustn't he be lifting? mustn't we be lifting? mustn't you be lifting? mustn't they be lifting?
Perfecto
mustn't I have lifted? mustn't you have lifted? mustn't he have lifted? mustn't we have lifted? mustn't you have lifted? mustn't they have lifted?
Perfecto con V-ing
mustn't I have been lifting? mustn't you have been lifting? mustn't he have been lifting? mustn't we have been lifting? mustn't you have been lifting? mustn't they have been lifting?