I must tire you must tire he must tire we must tire you must tire they must tire
Forma com V-ing
I must be tiring you must be tiring he must be tiring we must be tiring you must be tiring they must be tiring
Perfeito
I must have tired you must have tired he must have tired we must have tired you must have tired they must have tired
Perfeito com V-ing
I must have been tiring you must have been tiring he must have been tiring we must have been tiring you must have been tiring they must have been tiring
Negação
Forma simple
I must not tire you must not tire he must not tire we must not tire you must not tire they must not tire
Forma com V-ing
I must not be tiring you must not be tiring he must not be tiring we must not be tiring you must not be tiring they must not be tiring
Perfeito
I must not have tired you must not have tired he must not have tired we must not have tired you must not have tired they must not have tired
Perfeito com V-ing
I must not have been tiring you must not have been tiring he must not have been tiring we must not have been tiring you must not have been tiring they must not have been tiring
Forma interrogativa
Forma simple
must I tire? must you tire? must he tire? must we tire? must you tire? must they tire?
Forma com V-ing
must I be tiring? must you be tiring? must he be tiring? must we be tiring? must you be tiring? must they be tiring?
Perfeito
must I have tired? must you have tired? must he have tired? must we have tired? must you have tired? must they have tired?
Perfeito com V-ing
must I have been tiring? must you have been tiring? must he have been tiring? must we have been tiring? must you have been tiring? must they have been tiring?
Forma interro-Negação
Forma simple
must I not tire? must you not tire? must he not tire? must we not tire? must you not tire? must they not tire?
Forma com V-ing
must I not be tiring? must you not be tiring? must he not be tiring? must we not be tiring? must you not be tiring? must they not be tiring?
Perfeito
must I not have tired? must you not have tired? must he not have tired? must we not have tired? must you not have tired? must they not have tired?
Perfeito com V-ing
must I not have been tiring? must you not have been tiring? must he not have been tiring? must we not have been tiring? must you not have been tiring? must they not have been tiring?