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