I must hiss you must hiss she must hiss we must hiss you must hiss they must hiss
Forma con V-ing
I must be hissing you must be hissing she must be hissing we must be hissing you must be hissing they must be hissing
Perfetto
I must have hissed you must have hissed she must have hissed we must have hissed you must have hissed they must have hissed
Perfetto con V-ing
I must have been hissing you must have been hissing she must have been hissing we must have been hissing you must have been hissing they must have been hissing
Negazione
Forma semplice
I must not hiss you must not hiss she must not hiss we must not hiss you must not hiss they must not hiss
Forma con V-ing
I must not be hissing you must not be hissing she must not be hissing we must not be hissing you must not be hissing they must not be hissing
Perfetto
I must not have hissed you must not have hissed she must not have hissed we must not have hissed you must not have hissed they must not have hissed
Perfetto con V-ing
I must not have been hissing you must not have been hissing she must not have been hissing we must not have been hissing you must not have been hissing they must not have been hissing
Forma interrogativa
Forma semplice
must I hiss? must you hiss? must she hiss? must we hiss? must you hiss? must they hiss?
Forma con V-ing
must I be hissing? must you be hissing? must she be hissing? must we be hissing? must you be hissing? must they be hissing?
Perfetto
must I have hissed? must you have hissed? must she have hissed? must we have hissed? must you have hissed? must they have hissed?
Perfetto con V-ing
must I have been hissing? must you have been hissing? must she have been hissing? must we have been hissing? must you have been hissing? must they have been hissing?
Forma interro-negativa
Forma semplice
must I not hiss? must you not hiss? must she not hiss? must we not hiss? must you not hiss? must they not hiss?
Forma con V-ing
must I not be hissing? must you not be hissing? must she not be hissing? must we not be hissing? must you not be hissing? must they not be hissing?
Perfetto
must I not have hissed? must you not have hissed? must she not have hissed? must we not have hissed? must you not have hissed? must they not have hissed?
Perfetto con V-ing
must I not have been hissing? must you not have been hissing? must she not have been hissing? must we not have been hissing? must you not have been hissing? must they not have been hissing?