I must serge you must serge he must serge we must serge you must serge they must serge
Forma con V-ing
I must be serging you must be serging he must be serging we must be serging you must be serging they must be serging
Perfetto
I must have serged you must have serged he must have serged we must have serged you must have serged they must have serged
Perfetto con V-ing
I must have been serging you must have been serging he must have been serging we must have been serging you must have been serging they must have been serging
Negazione
Forma semplice
I must not serge you must not serge he must not serge we must not serge you must not serge they must not serge
Forma con V-ing
I must not be serging you must not be serging he must not be serging we must not be serging you must not be serging they must not be serging
Perfetto
I must not have serged you must not have serged he must not have serged we must not have serged you must not have serged they must not have serged
Perfetto con V-ing
I must not have been serging you must not have been serging he must not have been serging we must not have been serging you must not have been serging they must not have been serging
Forma interrogativa
Forma semplice
must I serge? must you serge? must he serge? must we serge? must you serge? must they serge?
Forma con V-ing
must I be serging? must you be serging? must he be serging? must we be serging? must you be serging? must they be serging?
Perfetto
must I have serged? must you have serged? must he have serged? must we have serged? must you have serged? must they have serged?
Perfetto con V-ing
must I have been serging? must you have been serging? must he have been serging? must we have been serging? must you have been serging? must they have been serging?
Forma interro-negativa
Forma semplice
must I not serge? must you not serge? must he not serge? must we not serge? must you not serge? must they not serge?
Forma con V-ing
must I not be serging? must you not be serging? must he not be serging? must we not be serging? must you not be serging? must they not be serging?
Perfetto
must I not have serged? must you not have serged? must he not have serged? must we not have serged? must you not have serged? must they not have serged?
Perfetto con V-ing
must I not have been serging? must you not have been serging? must he not have been serging? must we not have been serging? must you not have been serging? must they not have been serging?