I must blacken you must blacken she must blacken we must blacken you must blacken they must blacken
Forma con V-ing
I must be blackening you must be blackening she must be blackening we must be blackening you must be blackening they must be blackening
Perfetto
I must have blackened you must have blackened she must have blackened we must have blackened you must have blackened they must have blackened
Perfetto con V-ing
I must have been blackening you must have been blackening she must have been blackening we must have been blackening you must have been blackening they must have been blackening
Negazione
Forma semplice
I must not blacken you must not blacken she must not blacken we must not blacken you must not blacken they must not blacken
Forma con V-ing
I must not be blackening you must not be blackening she must not be blackening we must not be blackening you must not be blackening they must not be blackening
Perfetto
I must not have blackened you must not have blackened she must not have blackened we must not have blackened you must not have blackened they must not have blackened
Perfetto con V-ing
I must not have been blackening you must not have been blackening she must not have been blackening we must not have been blackening you must not have been blackening they must not have been blackening
Forma interrogativa
Forma semplice
must I blacken? must you blacken? must she blacken? must we blacken? must you blacken? must they blacken?
Forma con V-ing
must I be blackening? must you be blackening? must she be blackening? must we be blackening? must you be blackening? must they be blackening?
Perfetto
must I have blackened? must you have blackened? must she have blackened? must we have blackened? must you have blackened? must they have blackened?
Perfetto con V-ing
must I have been blackening? must you have been blackening? must she have been blackening? must we have been blackening? must you have been blackening? must they have been blackening?
Forma interro-negativa
Forma semplice
must I not blacken? must you not blacken? must she not blacken? must we not blacken? must you not blacken? must they not blacken?
Forma con V-ing
must I not be blackening? must you not be blackening? must she not be blackening? must we not be blackening? must you not be blackening? must they not be blackening?
Perfetto
must I not have blackened? must you not have blackened? must she not have blackened? must we not have blackened? must you not have blackened? must they not have blackened?
Perfetto con V-ing
must I not have been blackening? must you not have been blackening? must she not have been blackening? must we not have been blackening? must you not have been blackening? must they not have been blackening?