I must tighten you must tighten she must tighten we must tighten you must tighten they must tighten
Forma con V-ing
I must be tightening you must be tightening she must be tightening we must be tightening you must be tightening they must be tightening
Perfetto
I must have tightened you must have tightened she must have tightened we must have tightened you must have tightened they must have tightened
Perfetto con V-ing
I must have been tightening you must have been tightening she must have been tightening we must have been tightening you must have been tightening they must have been tightening
Negazione
Forma semplice
I must not tighten you must not tighten she must not tighten we must not tighten you must not tighten they must not tighten
Forma con V-ing
I must not be tightening you must not be tightening she must not be tightening we must not be tightening you must not be tightening they must not be tightening
Perfetto
I must not have tightened you must not have tightened she must not have tightened we must not have tightened you must not have tightened they must not have tightened
Perfetto con V-ing
I must not have been tightening you must not have been tightening she must not have been tightening we must not have been tightening you must not have been tightening they must not have been tightening
Forma interrogativa
Forma semplice
must I tighten? must you tighten? must she tighten? must we tighten? must you tighten? must they tighten?
Forma con V-ing
must I be tightening? must you be tightening? must she be tightening? must we be tightening? must you be tightening? must they be tightening?
Perfetto
must I have tightened? must you have tightened? must she have tightened? must we have tightened? must you have tightened? must they have tightened?
Perfetto con V-ing
must I have been tightening? must you have been tightening? must she have been tightening? must we have been tightening? must you have been tightening? must they have been tightening?
Forma interro-negativa
Forma semplice
must I not tighten? must you not tighten? must she not tighten? must we not tighten? must you not tighten? must they not tighten?
Forma con V-ing
must I not be tightening? must you not be tightening? must she not be tightening? must we not be tightening? must you not be tightening? must they not be tightening?
Perfetto
must I not have tightened? must you not have tightened? must she not have tightened? must we not have tightened? must you not have tightened? must they not have tightened?
Perfetto con V-ing
must I not have been tightening? must you not have been tightening? must she not have been tightening? must we not have been tightening? must you not have been tightening? must they not have been tightening?