I must amuse you must amuse he must amuse we must amuse you must amuse they must amuse
Forma com V-ing
I must be amusing you must be amusing he must be amusing we must be amusing you must be amusing they must be amusing
Perfeito
I must have amused you must have amused he must have amused we must have amused you must have amused they must have amused
Perfeito com V-ing
I must have been amusing you must have been amusing he must have been amusing we must have been amusing you must have been amusing they must have been amusing
Negação
Forma simple
I must not amuse you must not amuse he must not amuse we must not amuse you must not amuse they must not amuse
Forma com V-ing
I must not be amusing you must not be amusing he must not be amusing we must not be amusing you must not be amusing they must not be amusing
Perfeito
I must not have amused you must not have amused he must not have amused we must not have amused you must not have amused they must not have amused
Perfeito com V-ing
I must not have been amusing you must not have been amusing he must not have been amusing we must not have been amusing you must not have been amusing they must not have been amusing
Forma interrogativa
Forma simple
must I amuse? must you amuse? must he amuse? must we amuse? must you amuse? must they amuse?
Forma com V-ing
must I be amusing? must you be amusing? must he be amusing? must we be amusing? must you be amusing? must they be amusing?
Perfeito
must I have amused? must you have amused? must he have amused? must we have amused? must you have amused? must they have amused?
Perfeito com V-ing
must I have been amusing? must you have been amusing? must he have been amusing? must we have been amusing? must you have been amusing? must they have been amusing?
Forma interro-Negação
Forma simple
must I not amuse? must you not amuse? must he not amuse? must we not amuse? must you not amuse? must they not amuse?
Forma com V-ing
must I not be amusing? must you not be amusing? must he not be amusing? must we not be amusing? must you not be amusing? must they not be amusing?
Perfeito
must I not have amused? must you not have amused? must he not have amused? must we not have amused? must you not have amused? must they not have amused?
Perfeito com V-ing
must I not have been amusing? must you not have been amusing? must he not have been amusing? must we not have been amusing? must you not have been amusing? must they not have been amusing?