I must perch you must perch he must perch we must perch you must perch they must perch
Forma com 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
Perfeito
I must have perched you must have perched he must have perched we must have perched you must have perched they must have perched
Perfeito com 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
Negação
Forma simple
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 com 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
Perfeito
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
Perfeito com 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 simple
must I perch? must you perch? must he perch? must we perch? must you perch? must they perch?
Forma com 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?
Perfeito
must I have perched? must you have perched? must he have perched? must we have perched? must you have perched? must they have perched?
Perfeito com 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-Negação
Forma simple
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 com 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?
Perfeito
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?
Perfeito com 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?