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