I must butylate you must butylate he must butylate we must butylate you must butylate they must butylate
Forma con V-ing
I must be butylating you must be butylating he must be butylating we must be butylating you must be butylating they must be butylating
Perfetto
I must have butylated you must have butylated he must have butylated we must have butylated you must have butylated they must have butylated
Perfetto con V-ing
I must have been butylating you must have been butylating he must have been butylating we must have been butylating you must have been butylating they must have been butylating
Negazione
Forma semplice
I must not butylate you must not butylate he must not butylate we must not butylate you must not butylate they must not butylate
Forma con V-ing
I must not be butylating you must not be butylating he must not be butylating we must not be butylating you must not be butylating they must not be butylating
Perfetto
I must not have butylated you must not have butylated he must not have butylated we must not have butylated you must not have butylated they must not have butylated
Perfetto con V-ing
I must not have been butylating you must not have been butylating he must not have been butylating we must not have been butylating you must not have been butylating they must not have been butylating
Forma interrogativa
Forma semplice
must I butylate? must you butylate? must he butylate? must we butylate? must you butylate? must they butylate?
Forma con V-ing
must I be butylating? must you be butylating? must he be butylating? must we be butylating? must you be butylating? must they be butylating?
Perfetto
must I have butylated? must you have butylated? must he have butylated? must we have butylated? must you have butylated? must they have butylated?
Perfetto con V-ing
must I have been butylating? must you have been butylating? must he have been butylating? must we have been butylating? must you have been butylating? must they have been butylating?
Forma interro-negativa
Forma semplice
must I not butylate? must you not butylate? must he not butylate? must we not butylate? must you not butylate? must they not butylate?
Forma con V-ing
must I not be butylating? must you not be butylating? must he not be butylating? must we not be butylating? must you not be butylating? must they not be butylating?
Perfetto
must I not have butylated? must you not have butylated? must he not have butylated? must we not have butylated? must you not have butylated? must they not have butylated?
Perfetto con V-ing
must I not have been butylating? must you not have been butylating? must he not have been butylating? must we not have been butylating? must you not have been butylating? must they not have been butylating?