Verbo regolare: investigate - investigated - investigated
Affermazione
Forma semplice
I must investigate you must investigate he must investigate we must investigate you must investigate they must investigate
Forma con V-ing
I must be investigating you must be investigating he must be investigating we must be investigating you must be investigating they must be investigating
Perfetto
I must have investigated you must have investigated he must have investigated we must have investigated you must have investigated they must have investigated
Perfetto con V-ing
I must have been investigating you must have been investigating he must have been investigating we must have been investigating you must have been investigating they must have been investigating
Negazione
Forma semplice
I must not investigate you must not investigate he must not investigate we must not investigate you must not investigate they must not investigate
Forma con V-ing
I must not be investigating you must not be investigating he must not be investigating we must not be investigating you must not be investigating they must not be investigating
Perfetto
I must not have investigated you must not have investigated he must not have investigated we must not have investigated you must not have investigated they must not have investigated
Perfetto con V-ing
I must not have been investigating you must not have been investigating he must not have been investigating we must not have been investigating you must not have been investigating they must not have been investigating
Forma interrogativa
Forma semplice
must I investigate? must you investigate? must he investigate? must we investigate? must you investigate? must they investigate?
Forma con V-ing
must I be investigating? must you be investigating? must he be investigating? must we be investigating? must you be investigating? must they be investigating?
Perfetto
must I have investigated? must you have investigated? must he have investigated? must we have investigated? must you have investigated? must they have investigated?
Perfetto con V-ing
must I have been investigating? must you have been investigating? must he have been investigating? must we have been investigating? must you have been investigating? must they have been investigating?
Forma interro-negativa
Forma semplice
must I not investigate? must you not investigate? must he not investigate? must we not investigate? must you not investigate? must they not investigate?
Forma con V-ing
must I not be investigating? must you not be investigating? must he not be investigating? must we not be investigating? must you not be investigating? must they not be investigating?
Perfetto
must I not have investigated? must you not have investigated? must he not have investigated? must we not have investigated? must you not have investigated? must they not have investigated?
Perfetto con V-ing
must I not have been investigating? must you not have been investigating? must he not have been investigating? must we not have been investigating? must you not have been investigating? must they not have been investigating?