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