I must fasten you must fasten he must fasten we must fasten you must fasten they must fasten
Forma con V-ing
I must be fastening you must be fastening he must be fastening we must be fastening you must be fastening they must be fastening
Perfetto
I must have fastened you must have fastened he must have fastened we must have fastened you must have fastened they must have fastened
Perfetto con V-ing
I must have been fastening you must have been fastening he must have been fastening we must have been fastening you must have been fastening they must have been fastening
Negazione
Forma semplice
I must not fasten you must not fasten he must not fasten we must not fasten you must not fasten they must not fasten
Forma con V-ing
I must not be fastening you must not be fastening he must not be fastening we must not be fastening you must not be fastening they must not be fastening
Perfetto
I must not have fastened you must not have fastened he must not have fastened we must not have fastened you must not have fastened they must not have fastened
Perfetto con V-ing
I must not have been fastening you must not have been fastening he must not have been fastening we must not have been fastening you must not have been fastening they must not have been fastening
Forma interrogativa
Forma semplice
must I fasten? must you fasten? must he fasten? must we fasten? must you fasten? must they fasten?
Forma con V-ing
must I be fastening? must you be fastening? must he be fastening? must we be fastening? must you be fastening? must they be fastening?
Perfetto
must I have fastened? must you have fastened? must he have fastened? must we have fastened? must you have fastened? must they have fastened?
Perfetto con V-ing
must I have been fastening? must you have been fastening? must he have been fastening? must we have been fastening? must you have been fastening? must they have been fastening?
Forma interro-negativa
Forma semplice
must I not fasten? must you not fasten? must he not fasten? must we not fasten? must you not fasten? must they not fasten?
Forma con V-ing
must I not be fastening? must you not be fastening? must he not be fastening? must we not be fastening? must you not be fastening? must they not be fastening?
Perfetto
must I not have fastened? must you not have fastened? must he not have fastened? must we not have fastened? must you not have fastened? must they not have fastened?
Perfetto con V-ing
must I not have been fastening? must you not have been fastening? must he not have been fastening? must we not have been fastening? must you not have been fastening? must they not have been fastening?