I must square you must square he must square we must square you must square they must square
Forma com V-ing
I must be squaring you must be squaring he must be squaring we must be squaring you must be squaring they must be squaring
Perfeito
I must have squared you must have squared he must have squared we must have squared you must have squared they must have squared
Perfeito com V-ing
I must have been squaring you must have been squaring he must have been squaring we must have been squaring you must have been squaring they must have been squaring
Negação
Forma simple
I must not square you must not square he must not square we must not square you must not square they must not square
Forma com V-ing
I must not be squaring you must not be squaring he must not be squaring we must not be squaring you must not be squaring they must not be squaring
Perfeito
I must not have squared you must not have squared he must not have squared we must not have squared you must not have squared they must not have squared
Perfeito com V-ing
I must not have been squaring you must not have been squaring he must not have been squaring we must not have been squaring you must not have been squaring they must not have been squaring
Forma interrogativa
Forma simple
must I square? must you square? must he square? must we square? must you square? must they square?
Forma com V-ing
must I be squaring? must you be squaring? must he be squaring? must we be squaring? must you be squaring? must they be squaring?
Perfeito
must I have squared? must you have squared? must he have squared? must we have squared? must you have squared? must they have squared?
Perfeito com V-ing
must I have been squaring? must you have been squaring? must he have been squaring? must we have been squaring? must you have been squaring? must they have been squaring?
Forma interro-Negação
Forma simple
must I not square? must you not square? must he not square? must we not square? must you not square? must they not square?
Forma com V-ing
must I not be squaring? must you not be squaring? must he not be squaring? must we not be squaring? must you not be squaring? must they not be squaring?
Perfeito
must I not have squared? must you not have squared? must he not have squared? must we not have squared? must you not have squared? must they not have squared?
Perfeito com V-ing
must I not have been squaring? must you not have been squaring? must he not have been squaring? must we not have been squaring? must you not have been squaring? must they not have been squaring?