I must perch you must perch he must perch we must perch you must perch they must perch
Forma con V-ing
I must be perching you must be perching he must be perching we must be perching you must be perching they must be perching
Perfetto
I must have perched you must have perched he must have perched we must have perched you must have perched they must have perched
Perfetto con V-ing
I must have been perching you must have been perching he must have been perching we must have been perching you must have been perching they must have been perching
Negazione
Forma semplice
I must not perch you must not perch he must not perch we must not perch you must not perch they must not perch
Forma con V-ing
I must not be perching you must not be perching he must not be perching we must not be perching you must not be perching they must not be perching
Perfetto
I must not have perched you must not have perched he must not have perched we must not have perched you must not have perched they must not have perched
Perfetto con V-ing
I must not have been perching you must not have been perching he must not have been perching we must not have been perching you must not have been perching they must not have been perching
Forma interrogativa
Forma semplice
must I perch? must you perch? must he perch? must we perch? must you perch? must they perch?
Forma con V-ing
must I be perching? must you be perching? must he be perching? must we be perching? must you be perching? must they be perching?
Perfetto
must I have perched? must you have perched? must he have perched? must we have perched? must you have perched? must they have perched?
Perfetto con V-ing
must I have been perching? must you have been perching? must he have been perching? must we have been perching? must you have been perching? must they have been perching?
Forma interro-negativa
Forma semplice
must I not perch? must you not perch? must he not perch? must we not perch? must you not perch? must they not perch?
Forma con V-ing
must I not be perching? must you not be perching? must he not be perching? must we not be perching? must you not be perching? must they not be perching?
Perfetto
must I not have perched? must you not have perched? must he not have perched? must we not have perched? must you not have perched? must they not have perched?
Perfetto con V-ing
must I not have been perching? must you not have been perching? must he not have been perching? must we not have been perching? must you not have been perching? must they not have been perching?