I must prick you must prick he must prick we must prick you must prick they must prick
Forma con V-ing
I must be pricking you must be pricking he must be pricking we must be pricking you must be pricking they must be pricking
Perfecto
I must have pricked you must have pricked he must have pricked we must have pricked you must have pricked they must have pricked
Perfecto con V-ing
I must have been pricking you must have been pricking he must have been pricking we must have been pricking you must have been pricking they must have been pricking
Negación
Forma simple
I must not prick you must not prick he must not prick we must not prick you must not prick they must not prick
Forma con V-ing
I must not be pricking you must not be pricking he must not be pricking we must not be pricking you must not be pricking they must not be pricking
Perfecto
I must not have pricked you must not have pricked he must not have pricked we must not have pricked you must not have pricked they must not have pricked
Perfecto con V-ing
I must not have been pricking you must not have been pricking he must not have been pricking we must not have been pricking you must not have been pricking they must not have been pricking
Forma interrogativa
Forma simple
must I prick? must you prick? must he prick? must we prick? must you prick? must they prick?
Forma con V-ing
must I be pricking? must you be pricking? must he be pricking? must we be pricking? must you be pricking? must they be pricking?
Perfecto
must I have pricked? must you have pricked? must he have pricked? must we have pricked? must you have pricked? must they have pricked?
Perfecto con V-ing
must I have been pricking? must you have been pricking? must he have been pricking? must we have been pricking? must you have been pricking? must they have been pricking?
Forma interro-negativa
Forma simple
must I not prick? must you not prick? must he not prick? must we not prick? must you not prick? must they not prick?
Forma con V-ing
must I not be pricking? must you not be pricking? must he not be pricking? must we not be pricking? must you not be pricking? must they not be pricking?
Perfecto
must I not have pricked? must you not have pricked? must he not have pricked? must we not have pricked? must you not have pricked? must they not have pricked?
Perfecto con V-ing
must I not have been pricking? must you not have been pricking? must he not have been pricking? must we not have been pricking? must you not have been pricking? must they not have been pricking?