I must collect you must collect he must collect we must collect you must collect they must collect
Forma con V-ing
I must be collecting you must be collecting he must be collecting we must be collecting you must be collecting they must be collecting
Perfetto
I must have collected you must have collected he must have collected we must have collected you must have collected they must have collected
Perfetto con V-ing
I must have been collecting you must have been collecting he must have been collecting we must have been collecting you must have been collecting they must have been collecting
Negazione
Forma semplice
I must not collect you must not collect he must not collect we must not collect you must not collect they must not collect
Forma con V-ing
I must not be collecting you must not be collecting he must not be collecting we must not be collecting you must not be collecting they must not be collecting
Perfetto
I must not have collected you must not have collected he must not have collected we must not have collected you must not have collected they must not have collected
Perfetto con V-ing
I must not have been collecting you must not have been collecting he must not have been collecting we must not have been collecting you must not have been collecting they must not have been collecting
Forma interrogativa
Forma semplice
must I collect? must you collect? must he collect? must we collect? must you collect? must they collect?
Forma con V-ing
must I be collecting? must you be collecting? must he be collecting? must we be collecting? must you be collecting? must they be collecting?
Perfetto
must I have collected? must you have collected? must he have collected? must we have collected? must you have collected? must they have collected?
Perfetto con V-ing
must I have been collecting? must you have been collecting? must he have been collecting? must we have been collecting? must you have been collecting? must they have been collecting?
Forma interro-negativa
Forma semplice
must I not collect? must you not collect? must he not collect? must we not collect? must you not collect? must they not collect?
Forma con V-ing
must I not be collecting? must you not be collecting? must he not be collecting? must we not be collecting? must you not be collecting? must they not be collecting?
Perfetto
must I not have collected? must you not have collected? must he not have collected? must we not have collected? must you not have collected? must they not have collected?
Perfetto con V-ing
must I not have been collecting? must you not have been collecting? must he not have been collecting? must we not have been collecting? must you not have been collecting? must they not have been collecting?