I must matter you must matter he must matter we must matter you must matter they must matter
Forma con V-ing
I must be mattering you must be mattering he must be mattering we must be mattering you must be mattering they must be mattering
Perfecto
I must have mattered you must have mattered he must have mattered we must have mattered you must have mattered they must have mattered
Perfecto con V-ing
I must have been mattering you must have been mattering he must have been mattering we must have been mattering you must have been mattering they must have been mattering
Negación
Forma simple
I must not matter you must not matter he must not matter we must not matter you must not matter they must not matter
Forma con V-ing
I must not be mattering you must not be mattering he must not be mattering we must not be mattering you must not be mattering they must not be mattering
Perfecto
I must not have mattered you must not have mattered he must not have mattered we must not have mattered you must not have mattered they must not have mattered
Perfecto con V-ing
I must not have been mattering you must not have been mattering he must not have been mattering we must not have been mattering you must not have been mattering they must not have been mattering
Forma interrogativa
Forma simple
must I matter? must you matter? must he matter? must we matter? must you matter? must they matter?
Forma con V-ing
must I be mattering? must you be mattering? must he be mattering? must we be mattering? must you be mattering? must they be mattering?
Perfecto
must I have mattered? must you have mattered? must he have mattered? must we have mattered? must you have mattered? must they have mattered?
Perfecto con V-ing
must I have been mattering? must you have been mattering? must he have been mattering? must we have been mattering? must you have been mattering? must they have been mattering?
Forma interro-negativa
Forma simple
must I not matter? must you not matter? must he not matter? must we not matter? must you not matter? must they not matter?
Forma con V-ing
must I not be mattering? must you not be mattering? must he not be mattering? must we not be mattering? must you not be mattering? must they not be mattering?
Perfecto
must I not have mattered? must you not have mattered? must he not have mattered? must we not have mattered? must you not have mattered? must they not have mattered?
Perfecto con V-ing
must I not have been mattering? must you not have been mattering? must he not have been mattering? must we not have been mattering? must you not have been mattering? must they not have been mattering?