I must mend you must mend he must mend we must mend you must mend they must mend
Forma con V-ing
I must be mending you must be mending he must be mending we must be mending you must be mending they must be mending
Perfecto
I must have mended you must have mended he must have mended we must have mended you must have mended they must have mended
Perfecto con V-ing
I must have been mending you must have been mending he must have been mending we must have been mending you must have been mending they must have been mending
Negación
Forma simple
I must not mend you must not mend he must not mend we must not mend you must not mend they must not mend
Forma con V-ing
I must not be mending you must not be mending he must not be mending we must not be mending you must not be mending they must not be mending
Perfecto
I must not have mended you must not have mended he must not have mended we must not have mended you must not have mended they must not have mended
Perfecto con V-ing
I must not have been mending you must not have been mending he must not have been mending we must not have been mending you must not have been mending they must not have been mending
Forma interrogativa
Forma simple
must I mend? must you mend? must he mend? must we mend? must you mend? must they mend?
Forma con V-ing
must I be mending? must you be mending? must he be mending? must we be mending? must you be mending? must they be mending?
Perfecto
must I have mended? must you have mended? must he have mended? must we have mended? must you have mended? must they have mended?
Perfecto con V-ing
must I have been mending? must you have been mending? must he have been mending? must we have been mending? must you have been mending? must they have been mending?
Forma interro-negativa
Forma simple
must I not mend? must you not mend? must he not mend? must we not mend? must you not mend? must they not mend?
Forma con V-ing
must I not be mending? must you not be mending? must he not be mending? must we not be mending? must you not be mending? must they not be mending?
Perfecto
must I not have mended? must you not have mended? must he not have mended? must we not have mended? must you not have mended? must they not have mended?
Perfecto con V-ing
must I not have been mending? must you not have been mending? must he not have been mending? must we not have been mending? must you not have been mending? must they not have been mending?